For the given matrix A. find a 3 × 2 nonzero matrix B such that AB that any such matrix B must have rank 1. (Hint: The columns of B belong to the nullspace of A.] 0, Prove A= 13.421

Answers

Answer 1

The nullspace of matrix A found by solving the equation Ax=0. It is the nullspace of A is spanned by the vector [-2, 1, 0] and [0, -1, 1]. Any 3x2 matrix B that satisfies AB=0 belongs to the nullspace of A.

To find a 3×2 nonzero matrix B such that AB = 0, we need to find the nullspace of matrix A. The nullspace of a matrix A is the set of all vectors x such that Ax = 0.

Let's first write matrix A in row-echelon form:

1 2 1

0 -1 0

From this, we can see that the pivot variables are x1 and x2, and the free variable is x3. Thus, the general solution to Ax = 0 is given by:

x1 = -2x2 - x3

x2 = x2

x3 = x3

We can now write the columns of matrix B as:

[1, 0]

[-2, 1]

[0, -1]

To show that any such matrix B must have rank 1, we need to show that the columns of B are linearly dependent. Let's assume that B has rank 2. Then, the columns of B are linearly independent, and we can write:

c1[1, -2, 0] + c2[0, 1, -1] = [0, 0, 0]

where c1 and c2 are constants. This gives us the system of equations:

c1 = 0

-2c1 + c2 = 0

c2 = 0

which has only the trivial solution c1 = c2 = 0. This means that the columns of B are linearly dependent, and hence, any such matrix B must have rank 1.

To know more about Null space:

https://brainly.com/question/17215829

#SPJ4

_____The given question is incomplete, the complete question is given below:

For the given matrix A.= [1 2 1  1 1 1] find a 3 × 2 nonzero matrix B such that AB = 0 that any such matrix B must have rank 1. (Hint: The columns of B belong to the nullspace of A.] 0, Prove A= 13.421


Related Questions

ivnqa1o
just now
Mathematics
College
Martin has a spinner that is divided into four sections labeled A, B, C, and D. He spins the spinner twice. PLEASE ANSWER THE BOXES ORDER AND RIGHT, HELP EASY THANK UU
Question 1

Drag the letter pairs into ALL the boxes to correctly complete the table and show the sample space of Martin's experiment. PLEASE LIST ALL ORDERSS

Answers

Answer: Below.

Step-by-step explanation:

To find each we must use the left side to put the first letter. The top for the right letter.

First row - AA

Second row - CB

Third row - CD

Fourth row - BD

he buys a 5kg lwisa samp and repacks the samp into 125g packets. determine how many packets will be able to get from one pack of 5kg samp?​

Answers

Answer:5

Step-by-step explanation:5555555

Simplify (number on picture) to an expression involving a single trig function with no fractions. If needed, enter squared trigonometric expressions using the following notation

Answers

Step-by-step explanation:

[tex] \frac{1 - \ { \sin(t) }^{2} } { { \sin(t) }^{2} } = \frac{1} { { \sin(t) }^{2} } - \frac{{ \sin(t) }^{2}}{{ \sin(t) }^{2}} \: = \frac{1} { { \sin(t) }^{2} } - 1[/tex]

[tex] = { \sin(t) }^{ - 2} - 1[/tex]

hope this helps

Find the distance from Link to the Octorok so Link can attack

Answers

The distance  from Link to the Octorok  is 10.63 units.

How to find the distance?

We know that the distance between two points (x₁, y₁) and (x₂, y₂) is given by the formula below:

distance = √( (x₂ - x₁)² + (y₂ - y₁)²)

Here we want to find the distance from Link to the Octorok so Link can attack, so we need to get the distance between the points (-4, -5) and (3, 3).

The distance will be:

distance = √( (3 + 4)² + (3 + 5)²)

distance = √( (7)² + (8)²)

distance = √113

distance = 10.63

The distance is 10.63 units.

Learn more about distance at:

https://brainly.com/question/7243416

#SPJ1

Which of these act as an unbalanced force to stop objects in motion? Choose more than one answer.

Answers

A catapult, seatbelt, parachute, safety net, or unbalanced force can be used to stop moving objects.

What is unbalanced force to stop objects in motion?

When a seatbelt is fastened during sudden braking or a crash, it exerts pressure on the passenger's body and prevents them from moving forward.

Similar to this, when a parachute is opened, a significant amount of air resistance force is generated, slowing the wearer's descent.

A safety net exerts force on an object that is falling on it as well, absorbing the kinetic energy and stopping it.

A catapult can apply a significant unbalanced force that can halt an object in motion by quickly transferring energy from its springs or elastic materials to the target.

Learn more about Kinetic energy here:

brainly.com/question/26472013

#SPJ1

Help find each measure

Answers

The answer of  the given question based on finding each measure of a circle the answer is , (a)  m(MNP) = 12.5° degrees , (b) m(KL) = 102.5° degrees , (c)  m(KJ) = 52.5° degrees , (d)  m(JN) = 102.5° degrees , (e)  m(JLM) =  12.5° degrees.

What is Arc?

In geometry,  arc is a portion of  curved line that can be thought of as  segment of  circle. It is defined by two endpoints on  circle and the arc itself is the part of  circle between those two points. An arc can be measured in degrees, and its measure is equal to  central angle subtended by  arc. The length of  arc can also be calculated using the formula L = rθ, where L is  length of  arc, r is radius of  circle, and θ is  angle (in radians) subtended by  arc at center of circle.

Using the properties of angles and arcs in circles:

a. Angle MNP is inscribed in arc MP, so m(MNP) = 1/2m(MP) = 1/2(25) = 12.5° degrees.

Since angles NPM and MPK are vertical angles, we have m(MPK) = m(NPM) = m(MNP) = 12.5° degrees. Then, m(MN) = m(MPK) + m(KPM) = 12.5 + 40 = 52.5° degrees.

b. Angle LKP is inscribed in arc LP, so m(LKP) = 1/2m(LP) = 1/2(25) = 12.5° degrees.

Since angles PKL and LKN are vertical angles, we have m(PKL) = m(LKN) = m(LKP) = 12.5° degrees. Then, m(KL) = m(PKL) + m(PKC) = 12.5 + 90 = 102.5° degrees.

c. Angle PKJ is inscribed in arc PJ, so m(PKJ) = 1/2m(PJ) = 1/2(25) = 12.5° degrees.

Since angles LPK and LPJ are vertical angles, we have m(LPK) = m(LPJ) = m(PKJ) = 12.5° degrees. Then, m(KJ) = m(LPK) + m(LPJ) = 12.5 + 40 = 52.5° degrees.

d. Angle JNM is inscribed in arc JM, so m(JNM) = 1/2m(JM) = 1/2(25) = 12.5° degrees.

Since angles KJM and KJN are vertical angles, we have m(KJM) = m(KJN) = m(JNM) = 12.5° degrees. Then, m(JN) = m(KJM) + m(MJN) = 12.5 + 90 = 102.5° degrees.

e. Angle JLM is an inscribed angle that intercepts arc JM, so m(JLM) = 1/2m(JM) = 1/2(25) = 12.5° degrees.

To know more about Properties of angles and arcs visit:

https://brainly.com/question/4244936

#SPJ1

Given: -4+16-64 +256..., Sn=3,276
Find the number of terms in the series.

Answers

There are 4 terms in the series.

what is an arithmetic sequence?

An arithmetic sequence is a sequence of numbers where each term is equal to the previous term plus a fixed constant difference, called the common difference.

The given series is an arithmetic sequence with a common difference of 16. We can find the first term by plugging in n=1 into the sequence:

a1 = -4 + 16(-1)^1 = -4 + 16 = 12

Using the formula for the sum of an arithmetic sequence, we have:

Sn = n/2(2a1 + (n-1)d)

where n is the number of terms, a1 is the first term, and d is the common difference. Plugging in the given values, we have:

3276 = n/2(2(12) + (n-1)(16))

Simplifying this equation, we get:

3276 = n/2(28 + 16n - 16)

3276 = n/2(12 + 16n)

Multiplying both sides by 2 and rearranging, we get:

6544 = n(6 + 8n)

Dividing both sides by 2, we get:

3272 = n(3 + 4n)

We can see that n must be an even number, since the left side is even. We can also see that n cannot be too large, since the right side increases much faster than the left side. Trying some even values of n, we find that:

n=8 -> 3272 = 8(3 + 4(8)) is false

n=6 -> 3272 = 6(3 + 4(6)) is false

n=4 -> 3272 = 4(3 + 4(4)) is true

Therefore, there are 4 terms in the series.

To learn more about arithmetic equation from the given link:

https://brainly.com/question/15412619

#SPJ1

a point is chosen at random on ak. what is the probability that the point will be on bg. dont forget to reduce

Answers

there is a 20% chance that the point chosen at random will lie on bg.

To find the probability that a point chosen at random will be on the line segment bg, we need to consider the length of bg in relation to the length of the entire line segment ak.

Let us assume that ak is a straight line segment, and bg is a smaller segment that lies entirely within it. To find the probability, we need to divide the length of bg by the length of ak.

Let the length of bg be x and the length of ak be y. Then the probability that a point chosen at random will be on bg is:

Probability = Length of bg / Length of ak

Probability = x / y

However, we need to be careful here. If we choose a point anywhere on ak, it may not necessarily lie on bg. There are an infinite number of points on ak, but only one segment bg. Therefore, the probability we are looking for is actually the ratio of the lengths of bg to ak.

So, if we know the lengths of bg and ak, we can find the probability by dividing them. For example, if bg is 2 units long and ak is 10 units long, the probability of choosing a point on bg is:

Probability = 2 / 10

Probability = 0.2 or 20%

In this case, there is a 20% chance that the point chosen at random will lie on bg.

In conclusion, the probability of a point chosen at random on ak being on bg is directly proportional to the length of bg in relation to the length of ak. Therefore, we need to find the ratio of the lengths of the two line segments to determine the probability.

To know more about probability  click here:

brainly.com/question/11234923

#SPJ4

what is the probability  a point is chosen at random on ak and then the point will be on bg. dont forget to reduce the products?

Determine the relationship between the two triangles and whether or
not they can be proven to be congruent.
The two triangles are related by_____, so the triangles______

Answers

The two triangles are related by SAS criteria, so the triangles are congruent.

What are congruent triangles?

Congruent triangles are triangles that are precisely the same size and form. When the three sides and three angles of one triangle match the same dimensions as the three sides and three angles of another triangle, two triangles are said to be congruent. Corresponding portions are those areas of the two triangles that share the same dimensions (are congruent). This indicates that corresponding triangle parts are congruent (CPCTC).

From the given figure we observe for that the two triangles two sides and the corresponding angle of 90 degree is similar.

Thus, using the SAS criteria we see that the two triangles are equal.

Hence, the two triangles are related by SAS criteria, so the triangles are congruent.

Learn more about congruent triangles here:

https://brainly.com/question/30596171

#SPJ1

Find the derivative of the function g(t), below. It may be to your advantage to simplify before differentiating. g(t)=tan(ln(t)) g'(t)=

Answers

The derivative of the function g(t) =  -2tsint - sint + 2tcost.

In mathematics, the derivative of a function of a real variable measures the sensitivity of the function's value (the output value) to changes in its independent variable (the input value). Derivatives are a fundamental tool of calculus. The process of finding derivatives is called differentiation. The reverse process is called retro differentiation.

The fundamental theorem of calculus associates inverse differentiation with integration. Differentiation and integration form the two basic operations in univariate calculus.

Given that:

g(t) = tan(ln(t)) g'(t)

Now, Differentiating for the first time:

  (t²+1) d/dt (sin t) + Sin t d/dt (t²+1)

= (t²+1) cos t + sint (2t)

Now,

h'(t) = t²cos t + cost + 2tsint

Differentiating again:

h''(t) = d/dt (t²cos t) + d/dt (cost) + d/dt (2tsint)

      = -2tsint - sint + 2tcost

Learn more about Derivative :

https://brainly.com/question/25324584

#SPJ4

A researcher tests whether smoking by parents influences children’s attitudes toward smoking behavior.
Independent Variable: ________
Quasi-Independent Variable: ________
Dependent Variable: ________

Answers

Independent Variable: Smoking by parents
Quasi-Independent Variable: None (assuming that smoking by parents is a naturally occurring variable and not manipulated by the researcher)
Dependent Variable: Children's attitudes toward smoking behavior

Answer:

Independent Variable: Smoking

Quasi-Independent Variable: Parents to Children (Assuming that the researcher purposely manipulated it, otherwise there is none.)

Dependent Variable: Children's attitudes toward smoking behavior

QUICK ANSWER THIS PLEASE What is the constant of proportionality between the corresponding areas of the two pieces of wood?




3



6



9



12

Answers

Answer:

Step-by-step explanation:

D

Write the slope-intercept form of the equation of the line.

Answers

Answer:

y = x + 2

Step-by-step explanation:

The slope intercept form is y = mx + b

m = the slope

b = y-intercept

Slope = rise/run or (y2 - y1) / (x2 - x1)

Pick 2 points (0,2) (-2, 0)

We  see the y decrease by 2, and the x decrease by 2, so the slope is

m = -2 / -2 = 1

Y-intercept is located at (0,2)

So, the equation is y = x + 2

IF A SOUP RECIPE YIELDS 20 GALLONS, HOW MANY 5-FLUID OUNCE PORTIONS WILL THE RECIPE YIELD?

Answers

The number of 5 fluid ounce portions needed in 20 gallons is a total of 512 portions

Calculating the number of ounce portions needed

To solve this problem, we first need to convert the volume of the soup recipe from gallons to fluid ounces, and then divide by the size of each portion to find the total number of portions.

Given that

1 gallon = 128 fluid ounces

Therefore, the recipe yields:

20 gallons x 128 fluid ounces per gallon = 2560 fluid ounces

Now, we can find the number of 5-fluid ounce portions by dividing the total volume by the portion size:

2560 fluid ounces / 5 fluid ounces per portion = 512 portions

Therefore, the soup recipe yields 512 portions of 5 fluid ounces each.

Read more about proportional relationship at

https://brainly.com/question/14425347

#SPJ1

Correct to 3 significant figures, the of 18.75-(2.11)2

Answers

Answer: 14.5

Step-by-step explanation:

When there is a decimal point, you start counting from the left any number that is not zero. If the zero is at the end, then you count it.

For example, if the answer is 0.000145 then the number of significant figures is still three because you start counting from the first nonzero number from the left.

If the answer is 14.50, then the number of significant figures is four because you start counting from the first nonzero number from the left.

14.53 is the answer to the equation but because you want to correct it to 3 significant figures, you round down because 3 is less than 5 and 14.5 ends up being the final answer.

He has 2 pens. His friend gives him 2 more pens. How many pens he has?

Answers

Answer:

4 pens.

Step-by-step explanation:

Now he has 2 pens.

Then his friend gives him two more.

As a sum, that's:

2 + 2 = 4 pens.

Answer:

He has 4 pens now.

Step-by-step explanation:

2+2=4

p(s) = s³ + 10s
f(s) = 6s - 3
Find p(2)-f(2)

Answers

Answer:

19

Step-by-step explanation:

We are given the following two functions of s

[tex]p(s) = s^3 + 10s\\f(s) = 6s - 3\\\\\text{To find p(2) substitute 2 for s in p(s)}\\p(2) = (2)^3 + 10(2) = 8 + 20 = 28\\\\[/tex]

[tex]\text{To find f(2) substitute 2 for s in f(s)}\\f(2) = 6(2) - 3= 12 - 3= 9\\[/tex]

[tex]p(2) - f(2) = 28 - 9 = 19[/tex]

how do you find the simplest radical form for this please help me i got a (f) and i really need help that’s why i’m up this late trying to do all of my missing assignments.

Answers

Answer:

[tex]14 {y}^{2} \sqrt{ {x}^{3} {z}^{9} }[/tex]

Step-by-step explanation:

[tex] \sqrt{196 {x}^{3} {y}^{4}{z}^{9} }= \sqrt{196} \times \sqrt{ {x}^{3} } \times \sqrt{ {y}^{4} } \times \sqrt{ {z}^{9} } \\ \sqrt{196} = 14 \\ \sqrt{ {x}^{3} } = {x}^{ \frac{3}{2} } \\ \sqrt{ {y}^{4} } = {y}^{2} \\ \sqrt{ {z}^{9}} = {z}^{ \frac{9}{2} }[/tex]

A fractional exponent is not necessarily simpler so just take out the 1st and 3rd parts of the term which simplify nicely:

[tex] \sqrt{196 {x}^{3} {y}^{4}{z}^{9} } = 14 {y}^{2} \sqrt{ {x}^{3} {z}^{9} } [/tex]

PLEASE HELP ASAP!! 25 POINTS AND BRAINLIEST

Answers

Answer: 62°

Step-by-step explanation:

All angles of a triangle add up to 180°.

So, add up all the other angles.

15 + 25 + 39 = 79

180 - 79 = 101

Then, to find x, subtract 39 from 101, to get 62!

The length of each side of a square is 30 cm. If the length of its sides are now decreased by 20%, find the percentage decrease in the area of the square.

Answers

Answer:

80%

Step-by-step explanation:

each side of a square is 30 cm.

decreased by 20%.

find the percentage decrease in the area of the square.

20%x4side= 80%

can someone help please thank you. please

Answers

Answer:

1. Volume:   912 cm³

  Surface Area:  672 cm²

2. Volume:  1239 1/3 cm³

  Surface Area:  819 cm²

3.  Volume:  216 2/3 cm³

  Surface Area:  240 cm²

Step-by-step explanation:

Formula for Volume of a Pyramid:  [tex]\frac{1}{3} * lwh[/tex]

(where l, w, and h are the length, width, and height, respectively)

Formula for Surface Area of a Square Pyramid:  [tex]B + \frac{1}{2} ps[/tex]

(where B is the area of the base, p is the perimeter of the base, and s is the slant height)

1 (Volume) - V = (1/3)(12)(12)(19)

                       = (4)(12)(19)

                       = 912 cm³

1 (Surface Area) - SA = (12)(12) + (1/2)(4)(12)(22)

                                  = 144 + 528

                                  = 672 cm²

2 (Volume) - V = (1/3)(13)(13)(22)

                        = 1239 1/3 cm³

2 (Surface Area) - SA = (13)(13) + (1/2)(4)(13)(25)

                                   = 169 + 650

                                   = 819 cm²

3 (Volume) - V = (1/3)(10)(10)(6.5)

                        = 216 2/3 cm³

3 (Surface Area) - SA = (10)(10) + (1/2)(4)(10)(7)

                                   = 100 + 140

                                   = 240 cm²

Eric and Erica collect phone cards, and their phone
cards are in a ratio of 3:4. If Erica has 14 more phone
cards than Eric, how many cards does Eric have?

Answers

Answer:

18.67

Step-by-step explanation:

my calculate ratio results

K
Factor the four-term polynomial by grouping.
x³ +9x² + 3x + 27

Answers

The factorization of the polynomial x³ + 9x² + 3x + 27 by grouping is:

x³ + 9x² + 3x + 27 = (x + 9)(x² + 3)

What is grouping?

In algebra, "grouping" refers to a method of factoring polynomials that involves grouping together pairs of terms within the polynomial, in order to factor out a common factor.

What is polynomial?

In mathematics, a polynomial is a mathematical expression consisting of variables (also called indeterminates) and coefficients, that involves only the operations of addition, subtraction, multiplication, and non-negative integer exponents of variables.

In the given question,

To factor the four-term polynomial by grouping, we can follow these steps:

Step 1: Group the first two terms and the last two terms together.

x³ + 9x² + 3x + 27

= (x³ + 9x²) + (3x + 27)

Step 2: Factor out the common factor from each group.

= x²(x + 9) + 3(x + 9)

Step 3: Notice that the expression (x + 9) is a common factor of both terms, and factor it out.

= (x + 9)(x² + 3)

Therefore, the factorization of the polynomial x³ + 9x² + 3x + 27 by grouping is:

x³ + 9x² + 3x + 27 = (x + 9)(x² + 3).

To know more about factorization , visit:

https://brainly.com/question/14549998

#SPJ1

Brandi has a deck of 12 cards labeled A through L. Brandi draws a card from the deck and returns it, then draws a card again. What is the theoretical probability that Brandi draws a card with a vowel both times?
A) 6.25%

B) 2.08%

C) 25%

D) 75%

Answers

Answer: The probability of drawing a vowel from a deck of 12 cards is 5/12, since there are 5 vowels (A, E, I, O, U) and 12 cards in total.

Since Brandi returns the first card drawn to the deck before drawing the second card, the outcome of the first draw does not affect the outcome of the second draw. Therefore, we can treat the two draws as independent events.

The probability of drawing a vowel on the first draw is 5/12, and the probability of drawing a vowel on the second draw is also 5/12. Since we want to find the probability of both events happening (drawing a vowel both times), we can multiply the probabilities:

P(vowel on both draws) = P(vowel on first draw) * P(vowel on second draw)

= (5/12) * (5/12)

= 25/144

Therefore, the theoretical probability that Brandi draws a card with a vowel both times is 25/144, which is approximately 0.1736 or 17.36%.

So the closest answer choice is B) 2.08%.

Step-by-step explanation:

If A = [ 1 2 4 0 5 6 ] and B= [ 7 3 2 5 1 9] find C= A+B and D=A-B

Answers

Step 1: Arrange the arrays so that A and B are in the same order: A = [ 1 2 4 0 5 6 ], B = [ 7 3 2 5 1 9]

Step 2: To find C = A+B, add each element of A and B together.

C = [1+7, 2+3, 4+2, 0+5, 5+1, 6+9]

C = [8, 5, 6, 5, 6, 15]

Step 3: To find D = A-B, subtract each element of B from A.

D = [1-7, 2-3, 4-2, 0-5, 5-1, 6-9]

D = [-6, -1, 2, -5, 4, -3]

Determine the slope from the table given below.

Answers

Answer:

m = 6

Step-by-step explanation:

Slope = rise/run or (y2 - y1) / (x2 - x1)

Pick 2 points on the table (4,6) (5,12)

We see the y increase by 6 and the x increase by 1, so the slope is

m = 6

So, the slope is 6

I need help with this

Answers

Answer: a

Step-by-step explanation: because a is my name


[tex] \frac{4}{12} \times 3[/tex]
Can you tell me the answer for this .​

Answers

Answer:

1

Step-by-step explanation:

[tex]\frac{4}{12}[/tex]  x 3 = 12/12 = 1

find the coordinates of p so that p partitions segment ab in the part-to-whole ratio of 1 to 5 with a(-9, 3) and b(1, 8)

Answers

The coordinates of p so that p partitions segment ab in the part-to-whole ratio of 1 to 5 with a(-9, 3) and b(1, 8) is (-44/6, 23/6).

To find the coordinates of point P, we can use the following formula:

P = ( (5 x Ax + 1 x Bx) / 6 , (5 x Ay + 1 x By) / 6 )

Here, Ax and Ay are the x and y coordinates of point A, and Bx and By are the x and y coordinates of point B. By plugging in the values we have, we get:

P = ( (5 x (-9) + 1 x 1) / 6 , (5 x 3 + 1 x 8) / 6 )

P = ( (-45 + 1) / 6 , (15 + 8) / 6 )

P = ( -44/6 , 23/6 )

So the coordinates of point P are (-44/6, 23/6).

To check if we got the right answer, we can measure the distance between A and P and the distance between P and B, and make sure that the ratio is indeed 1 to 5. We can use the distance formula for this:

Distance between A and P:

√( (-9 - (-44/6))² + (3 - 23/6)² )

= √( (35/6)² + (5/6)² )

= √( 1225/36 + 25/36 )

= √( 1250/36 )

= 5/6 x √(50)

Distance between P and B:

√( (1 - (-44/6))² + (8 - 23/6)² )

= √( (55/6)² + (41/6)² )

= √( 3025/36 + 1681/36 )

= √( 4706/36 )

= 5/6 x √(94)

The ratio of the distance between A and P to the distance between P and B is:

(5/6 x √(50)) / (5/6 x √(94)) = √(50/94)

Simplifying this gives us:

√(50/94) = √(25/47)

The ratio of the distances is indeed 1 to 5, which confirms that our answer for the coordinates of P is correct.

To know more about coordinates here

https://brainly.com/question/27749090

#SPJ4

Find the missing length indicated

Answers

The value of x is 5

Define the term Similar triangles?

Triangles with the same shape but different sizes are said to be similar triangles. To be more specific, two triangles are comparable if their respective sides are proportionate and their corresponding angles are congruent.

Two triangles are similar if corresponding angles are congruent and corresponding sides are proportional.

from the below figure, both the triangles are similar, ∆ABC ≈ ∆EFB

By using Thales's theorem, the ratio of the sides of triangles are;

BE/EA = BF/FC

15/30 = x/10    

x = 5

Therefore the value of x is 5

To know more about triangle, visit:

https://brainly.in/question/17424774

#SPJ1

The ratio of triangle sides can be calculated using Thales' theory, and it is the value of x is 5

Define the term Similar triangles?

Similar triangles are those with the same shape but varying sizes. To be more precise, two triangles are comparable if their matching angles and respective sides are congruent.

If matching sides are proportional and corresponding angles are congruent, two triangles are similar.

Both triangles in the following figure are comparable ∆ABC ≈ ∆EFB

The ratio of triangle sides can be calculated using Thales' theory, and it is;

BE/EA = BF/FC

15/30 = x/10    

x = 5

Therefore the value of x is 5

To know more about triangle, visit:

https://brainly.com/question/1058720

#SPJ1

Other Questions
according to growth accounting studies, a country would achieve better results by promoting select one: a. exports b. research. c. research and education. d. education. e 1: Title Slide (Title of Presentation and your name)Slide 2: Describe what polytheism is.Slide 3: Sun GodSlide 4: Moon GodSlide 5: War GodSlide 6: Rain GodSlide 7: Death GodSlide 8: Creation ViewsSlide 9: Afterlife ViewsSlide 10: Explain why you think all of these religions would have gods for the same things. Suppose that with free trade, the cost to the United States of importing a shirt from Mexico is $15.00, and the cost of importing a shirt from China is $12.00. A shirt produced in the United States costs $20.00. Suppose further that before NAFTA, the United States maintained a tariff of 50% against all shirt imports. Then, under NAFTA, all tariffs between Mexico and the United States are removed, while the tariff against imports from China remains in effect. Assume that the tariff does not affect the world price of shirts.In the following table, indicate which country the United States imported shirts from before NAFTA. Then indicate which country the United States imported shirts from under NAFTA. Check all that apply. (Note: Leave the row blank if the United States doesnt import from either country.)Before NAFTAAfter NAFTAIn the following table, indicate whether each stakeholder gains, loses, or neither gains nor loses as a result of NAFTA.StakeholderGainsLosesNeither Gains nor LosesChinese producers Consumers in the United States U.S. government Mexican producers This is an example of trade resulting from a regional agreement. 17- 20: In an August 2012 Gallup survey of 1,012 randomly selected U.S. adults (age 18 and over), 53% said that they were dissatisfied with the quality of education students receive in kindergarten through grade 12. They also report that the "margin of sampling error is plus or minus 4%."17. What is the population of interest?18. What is the sample being used?19. What is the population parameter of interest, and what is the correct notation for this parameter? What is the relevant statistic?20. Find an interval estimate for the parameter of interest. Interpret it in terms of dissatisfaction in the quality of education students receive. Use two decimal places in your answer. John Sweeney is an investment advisor who is attempting to construct an "optimal portfolio" for a client who has $400,000 cash to invest. There are ten different investments, falling into four broad categories that John and his client have identified as potential candidates for this portfolio. The following table lists the investments and their important characteristics. Note that Unidyne equities (stocks) and Unidyne debt (bonds) are two separate investments, whereas First General REIT is a single investment that is considered both an equities and a real estate investment. Expected Annual Liquidity RiskCategory Investment After-Tax Return Factor FactorEquities Unidyne Corp. 15.0% 100 60Col. Mustard Restaurant 17.0% 100 70First General REIT 17.5% 100 75Debt Metropolitan Electric 11.8% 95 20Unidyne Corp. 12.2% 92 30Lemonville Transit 12.0% 79 22Real Estate Fairview Apartment Partnership 22.0% 0 50First General REIT (see above) (see above) (see above)Money T-Bill Account 9.6% 80 0Money Market Fund 10.5% 100 10All Savers Certificates 12.6% 0 0Formulate and solve a linear program to accomplish John's objective as an investment advisor, which is to construct aportfolio that maximizes his clients total expected after-tax return over the next year, subject to the following constraintsplaced upon him by the client for the portfolio:1. Its (weighted) average liquidity factor must be at least 65.2. The (weighted) average risk factor must be no greater than 55.3. At most, $60,000 is to be invested in Unidyne stocks or bonds.4. No more than 40% of the investment can be in any one category except the money category.5. No more than 20% of the investment can be in any one investment except the money market fund.6. At least $1,000 must be invested in the money market fund.7. The maximum investment in All Savers Certificates is $15,000.8. The minimum investment desired for debt is $90,000.9. At least $10,000 must be placed in a T-bill account. Why can a crane lift extremely heavy loads?A. The crane uses gears to reduce force needed to lift the object.B. A wheel in the crane turns and the load is lifted on an axle.C. A compound pulley system decreases the amount of force needed to lift an object.D. The crane pulls objects up an inclined plane. A probability distribution for a discrete variable is a mutually exclusive, collectively exhaustive list of numerical outcomes for that variable and the probability of occurrence associated with each outcome.True False what was the story the truth of the purple wall Suppose that an individual has a body fat percentage of 16.3% and weighs 163 pounds. How many pounds of his weight is made up of fat? Round your answerto the nearest tenth.poundsX how would you tell if a rock is crystalline? group of answer choices it contains crystals that have been cemented together. it does not contain crystals at all. it contains interlocking crystals. it contains all one type of crystal. a concert loudspeaker suspended high off the ground emits 35 w of sound power. a small microphone with a 1 cm2 area is 59 m from the speaker. what is the sound intensity level at the position of the microphone? Based on the excerpts, which statement best describes civil rights progress for Black people between 1855 and 2019?Civil rights have primarily been driven by public officials and legislative action.Advocates for the expansion of civil rights have often sought to take a slow and deliberate path.Access to the ballot box is guaranteed for all through legislation, and this has been the case since after the Civil War.It is no longer legal to enslave people, but it took violence and significant legislation to secure legal rights, while access to voting rights remains a challenge. Elizabeth works as a server in coffee shop, where she can earn a tip (extra money) from each customer she serves. The histogram below shows the distribution of her 60 tip amounts for one day of work. 25 g 20 15 10 6 0 0 l0 15 20 Tip Amounts (dollars a. Write a few sentences to describe the distribution of tip amounts for the day shown. b. One of the tip amounts was S8. If the S8 tip had been S18, what effect would the increase have had on the following statistics? Justify your answers. i. The mean: ii. The median: using the net below find the area of the triangular prism10 cm 7 cm 6 cm 4 cm 4 cm 10 cm 6 cm 4 cm What was the Counter-Reformation and the Council of Trent in reaction to? which of the following is not a publicly accessible list used for vulnerability research and analysis? when 16-year-old vu agreed with his parents that his career would be to continue the family business, he was exhibiting Where i = sqrt(- 1) which of the following complex numbers is equal to (6 - 5i) - (4 - 3i) + (2 - 7i) ? A (4 - 9i)/25 B 4 - i C 9i - 4 D 4 - 9i E 4 + 9i Suppose the Baseball Hall of Fame in Cooperstown, New York, has approached SportCardz with a special order. The Hall of Fame wishes to purchase 50,000 baseball card packs for a special promotional campaign and offers $.35 per pack, a total of $17,500. SportCardz total production cost is $0.55 per pack, as follows:Variable costs:Direct materials$0.12Direct labor0.07Variable overhead0.11Fixed overhead0.25Total cost$0.55SportCardz has enough excess capacity to handle the special order.Prepare an incremental analysis to determine whether SportCardz should accept the special sales order assuming fixed costs would not be affected by the special order. Over Earth as a whole, one would expect to observe the smallest variation in temperature from day to day and from month to month- in the center of a large land mass.- at the North Pole.- along the Pacific coast of North America.- high in the mountains in the middle of a continent.- on a small island near the equator.