HOW DO I SOLVE THIS HELP

HOW DO I SOLVE THIS HELP

Answers

Answer 1

Answer:

[tex]x=2\sqrt5[/tex]

Step-by-step explanation:

I'm assuming that 15 is the length of only part of the hypotenuse of the larger triangle.

The remaining part can be easily found by noticing that the red triangle is half an equilateral triangle of side x, so the missing part is x/2.

Now for a known theorem (easily proved with the fact that triangles AHC and ABC are similar) you can write the following equation containing x:

[tex]x^2 = \frac x2 ( \frac x2 +15) \rightarrowx^2 = \frac {x^2}4+15 \\\\3x^2=60 \rightarrow x^2 = 20 \\x=2\sqrt5[/tex]

(where we obviously took only the positive root since x is a lengtth measure.

HOW DO I SOLVE THIS HELP

Related Questions

What does the STO button on a calculator do?

Answers

Answer:

The STO button stands for store so it will save the number in the memory and to get it back press m

Malik claims that a 120° angle and side lengths of 3 cm
and 4 cm can form more than one unique triangle. He
draws these triangles as proof. Is Malik correct? Explain
why or why not.

Answers

A 120° angle and the side lengths can form more than one unique triangles

Malik's claim about the triangle is true

How to prove or disprove Malik's claim?

From the question, we have Malik's claim to be:

A 120° angle and side lengths of 3 cm and 4 cm can form more than one unique triangle

The above claim is true;

This is so because, the 120 degrees angle can be between the side lengths of 3 cm and 4 cm and the angle can be located not between the side lengths

This means that there are at least two unique triangles that can be formed using the given parameters

Hence, Malik's claim about the triangle is true

Read more about unique triangles at:

https://brainly.com/question/17972372

Choose the inequality that represents the statement.

You must get a 90 or higher to pass the course.

Answers

Answer:

C

Step-by-step explanation:

C because the symbol means Greater then or Equal too

So anything 90 or above would be true

PLEASE HELP ME ASAP!!

Answers

Answer: 121 meters

Step-by-step explanation:

In picture

someone please help:)

Answers

Answer:

D, B, E

Step-by-step explanation:

Try plotting the graph on desmos

(25 points)
Please show steps. Thanks in advance!

Divide:

[tex]4x^3+2x^2+3x+4[/tex] ÷ [tex]x+4[/tex]

[tex]-3x^3-2x^2-x-2[/tex] ÷ [tex]x-2[/tex]

Answers

Answer:

x^3+2x+2+2/x

Step-by-step explanation:

(x + y)/(x ^ 2 + xy + y ^ 2) + (x - y)/(x ^ 2 - xy + y ^ 2) - (2y ^ 3)/(x ^ 4 + x ^ 2 * y ^ 2 + y ^ 4)​

Answers

Answer:

If the * is supposed to be multiplication, then my answer is : 2(x-y)/(x^2+y^2-xy)

Step-by-step explanation:

Circle the equation and put an X through the non-equations

a. 3+4=x
b. 2x-5=20
c. 3+2=x+7
d. 3x-4

Answers

Answer:

a, b, c  are all equations  d non equation

Step-by-step explanation:

What adds to the bottom number but also multiplies to be the top?

Answers

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3 and 5 because 3+5 equals 8 and 3x5 equals 15

pls help I am not very good at math.

Answers

Answer: Its D

Step-by-step explanation:

Thank me later.

Answer:

D

Step-by-step explanation:

4x - 12 - x  ≥ 3

Add 12 to both sides.

4x - x ≥ 15

Subtract x (or 1x) from 4x

4x - x = 3x

3x ≥ 15

Divide both sides by 3.

x ≥ 5

Hope I helped :)

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10. What is the coefficient of the X^3 term
of the product?

Answers

Answer:

This matrix is amplified by exponential sequencing

if the foci of an ellipse are the same ordered pair, is the comic a circle?

Answers

Answer:

yes

Step-by-step explanation:

If you deposit $5000 into an account that pays 3% annual Interest compounded -annually, how much money will you have after 2 years?

Answers

Answer:

$5130.84

Step-by-step explanation:

100 + 3 = 103%

103% = 1.013

$5000 x 1.013^2 = $5130.84

Hope this helps!

In the given figure, O is Center of circle. If AC//DB and angle ABC=50 , find angle ACD​

Answers

Answer: 40 degrees

Step-by-step explanation:

40 degrees is the answer for this

Mansi ran 5,651 meters on Monday and 4,695 meters on Tuesday. How many more meters did she run on Monday than on Tuesday?

Answers

Answer:

956

Step-by-step explanation:

ial
Some of these numbers have been rounded to one decimal place to give 7.8. Circle all
the possibilities
7.741
7.81
7.85
7.749
7.809

Answers

Answer:

7.8 is 7.81 because it hasn't changed 1-5 doesn't round up and this one didn't therefore the answer is 7.81 or 7.809

1. Which container could logically have a capacity of 1,000 liters?
A. Kitchen sink
B. Bathtub
C. measuring cup
D. Hot tub.​

Answers

Answer:

D. hottub

Step-by-step explanation:

If the circle has a diameter of 2 inches, then it has a circumference of 6.28 inches.

Answers

Answer:

True, the diameter=2in and the circumference=6.28

Step-by-step explanation:

The circumference, C, of a circle is found by the following equation: C = 2 x pi x r where r equals the radius of the circle (or half its diameter) and pi = 3.14159 (a constant).

Thus, 6.28 = 2 x pi x r

Solving for r: 6.28/(2 x pi) = r

or: 6.28/(2 x 3.14) = 6.28/6.28 = r

thus r = 1 and since the diameter equals 2 x r, the diameter is 2.

5E. Express the given fraction below in the simplest form.

Answers

Answer:

9/10

Step-by-step explanation:

3 1/3 can be written as 10/3

then we have 3/10/3 we then have 3x3/10 which equals 9/10.

find the value of each variable

Answers

Answer:

x = 7

y = 7√3

Step-by-step explanation:

Formulas : -

sin θ = opposite side / hypotenuse

When θ = 60,

Opposite side = y

Hypotenuse = 14

sin 60 = y / 14

√3 / 2 = y / 14

y = √3 x 14 / 2

= √3 x 7

y = 7√3

When θ = 30,

Opposite side = x

Hypotenuse = 14

sin 30 = x / 14

1 / 2 = y / 14

x = 1 x 14 / 2

= 1 x 7

x = 7

Note : -

The value of,

sin 30 = 1 / 2

cos 60 = 7√3

What is the true solution to 3 l n 2 l n 8 = 2 l n (4 x) x = 1 x = 2 x = 4 x = 8

Answers

The true solution of the  [tex]\rm 3log2+log8=2log(4x)[/tex]  is 2.

It is given that the:

[tex]\rm 3log2+log8=2log(4x)[/tex]

It is required to find the value of [tex]\rm x[/tex].

What is Logarithm?

It is another way to represent the power of numbers ie.

[tex]\rm a^b=c\\\rm log_ac=b[/tex]

Some properties of  Logarithm:

[tex]\rm logx+logy=log(xy)\\\rm x logy=logy^x[/tex]

We have:

[tex]\rm 3log2+log8=2log(4x)\\\\\rm By \ using \ properties \ of \ Logarithm\\\\\rm log2^3+log8=log(4x)^2\\\rm log(8\times8)=log16x^2\\\rm log64=log16x^2\\\rm 64=16x^2\\\rm 4=x^2\\x=2[/tex]

Thus, the true solution of the given expression is 2.

Learn more about the Logarithm here:

https://brainly.com/question/163125

Answer: B

Step-by-step explanation:

Simple because Im the man the simple

Solve the absolute value equation, [x] – 2 = 5.​

Answers

Well to solve this you want to keep in mind that 2=-2 bc absolute value mean what oh yeah |-2| = 2 so you have to remember that and if you want this to work it would be 7-2=5

Answer:

x=7

Step-by-step explanation:

Ok so first off, the x variable being in absolute value form will not change the outcome of the problem at all since there are no other x variables in the equation.

x-2=5

(add 2 on both sides)

x=7

Joshua is a year older than his sister McKay. The product of their ages is 33 more than 7 times Joshua’s age. How old are Joshua and McKay?

Answers

Answer:

Joshua is 11 and Mckay is 10.

A path 5m wide runs along inside a rectangular field. The length of the rectangular field is three times the breadth of the field. if the area of the path is 500m2, then find the length and breadth of the field..

Answers

Answer:

Length = 45m

Breadth = 15m

Step-by-step explanation:

Dimensions of Rectangular field:

Let the breadth (B)=BC = x m

Length (L) = AB = 3x m

width of the road (w) = 5 m

Dimensions of inner rectangle:

length (l) = EF = L-2w

= 3x - 2×5

= (3x-10) m

breadth (b)=EH = B-2w

= (x-10) m

Given ,

Area of the path =500 m²

=> Area of ABCD - Area of EFGH = 500

=> L×B - l×b=500

=> (3x)× x - (3x-10)(x-10)=500

=> 3x²-(3x²-30x-10x+100)=500

=> 3x²-3x²+30x+10x-100=500

=> 40x=500+100

=> 40x = 600

=> x = 600/40

=> x = 15

Therefore,

Length (L) = 3x = 3×15 = 45m

Breadth (B) = x = 15m

Mark me as brainliest if it was helpful

1/5 divided by -1/14?

Answers

Answer:

-2.8 or -14/5

Step-by-step explanation:

To divide one fraction by another, there is a really cool method called Keep Change Flip

Keep the first fraction

Change the division sign to multiplication

Flip the numbers on the last fraction

Let's try it out.

Keep the 1/5

Change the ÷ to a ×

Flip the -1/14 to a -14/1

1/5 × -14/1

Multiply the top numbers by each other first

1 × -14 = -14

Now the bottom numbers

5 × -1 = -5

The fraction we have now is -14/5

It can also be written as -2.8

State if the two triangles are congruent. If they are, state how you know.

Answers

Answer:

AAS stand for "angle,angle,side" and means that we have two triangles where we know two angles and non- include side are equal.if two angles and the non include side of one triangle are equal to the corresponding

angles and side of another triangle, the triangle are congruent..

and the answer is B. not congruent

HELP ASAP ILL MARK BRAINLIST
What is the missing value for x on the diagram below? Round your answer to the nearest tenth.

Answers

Answer:

Step-by-step explanation:

it's radius is 6 so diameter is 12 .

12^2+x^2=15^2

144+x^2=225

x^2=111

x=underradical111

At Marco's Pizza House it costs $4.00 to make a small
pizza. If they intend to mark-up the pizza by 80% what
will the cost be for customers?
A. $4.32
B. $4.80
C. $7.20
D. $32.20

Answers

I think it should be 4.80 because the percentage is like the number of pennies but I’m just think logically

Answer:

7.20 dollars

multiply $4 and 80%

then add ur answer with 4

Step-by-step explanation:

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evaluate 2a(b + 8) if a = 3 and b = 5. A. 33 B. 38 C. 65 D. 78​

Answers

Answer: 78

Explanation: Whenever we deal with an evaluation problem, make sure to always use parenthses when substituting numbers in for variables.

Notice that we have a set of parenthses in our original problem.

To avoid the confusion of having too many sets

of parenthses, let's change the parenthses to brackets.

So we have 2(3) [(5) + 8].

Simplifying from here, we have (6) [(13].

Multiplying, we get 78.

Answer:

D.

Step-by-step explanation:

6*13=78

a train is moving at a uniform speed of 80 kilometre per hour.
a) how far will it travel in 15 minutes
b) find the time required to cover a distance of 250 km. { as per direct and inverse propositions}.​

Answers

Question -:

A train is moving at a uniform speed of 80 kilometre per hour.

a) how far will it travel in 15 minutes

b) find the time required to cover a distance of 250 km. { as per direct and inverse propositions}.

Explanation -:

a)

Given that the train is moving at a uniform speed of 80 km/h.

Time taken = 15 minutes

First we will convert the time

[tex] \small \sf Time \: taken = 15 min = \dfrac{ \cancel{15}}{ \cancel{60}}hr = \dfrac{1}{4}hr [/tex]

Now we will calculate the distance

We know,

[tex] ✪ \: \small\boxed{ \frak{ {Distance }= {Speed} × Time }}[/tex]

Substituting the values in the given formula

[tex] \small\sf{ Distance = \cancel{ 80} \: \: 20 \: km/ \cancel{ hr} × \dfrac{1}{ \cancel{4}} \cancel{hr} =20km }[/tex]

Distance covered in 15 minutes = 20 km

[tex] \rule {40mm}{2pt}[/tex]

b)

Given that the train is moving at a uniform speed of 80 km/h.

Distance covered = 250 km

Calculating the time

We know,

[tex] ✪ \: \small\boxed{ \frak{ Time = \dfrac{Distance}{Speed}}}[/tex]

Substituting the values in the given formula

[tex] \small\sf{ Time = \dfrac{250 km}{80 km/hr} =3 \: hrs \: 20 \: mins }[/tex]

[tex] \star \: \small\sf{ Final \: Answer }[/tex]

Distance = 20 kmTime = 3 hrs 20 minutes

[tex] ••═════════════••══════[/tex]

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