The measure of their corresponding angles is equal the vertices of a quadrilateral ABCD are A(4, 8), B(10, 10), C(10, 4), and D(4, 4) and the vertices of another quadrilateral EFCD are E(4, 0), F(10, -2), C(10, 4), and D(4, 4). This can be obtained by plotting the quadrilaterals on a graph paper and comparing the figures.
Which conclusion is true about the quadrilaterals?Given that,
vertices of quadrilateral ABCD are A(4, 8), B(10, 10), C(10, 4), and D(4, 4)
vertices of quadrilateral EFCD are E(4, 0), F(10, -2), C(10, 4), and D(4, 4)
(x,y) ; (x, y-8)
ABCD is reflected across the line y=4 to get the quadrilateral EFCD.
Reflection means the size and shape of the quadrilaterals is same ⇒quadrilateral ABCD and quadrilateral EFCD are congruent.
Thus corresponding parts of congruent triangles are equal, corresponding angles will be equal.
Hence the measure of their corresponding angles is equal the vertices of a quadrilateral ABCD are A(4, 8), B(10, 10), C(10, 4), and D(4, 4) and the vertices of another quadrilateral EFCD are E(4, 0), F(10, -2), C(10, 4), and D(4, 4).
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NEED HELP ASAP PLEASEE!!!!!!!!!
QUESTION #1
The decimal number 6.05 can be read as "six and five-hundredths."
True
False
QUESTION #2
The decimal number 11.8 can be read as "eleven and eight tens."
True
False
The statement 6.05 can be read as "six and five-hundredths" is true and 11.8 can be read as "eleven and eight tens" is false
Place value6.05
6 = ones
0 = tenths
5 = Hundredth
6.05 = six and five-hundredths
11.8
1 = Tens
1 = Ones
8 = tenths
11.8 = eleven and eight tenths
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PLS HELP ASAP!!!
Enter the correct answer in the box. Write your answer in the form y=mx+b, using the appropriate inequality symbol in place of the equal sign.
What inequity is show in the graph??
Answer:
y>4x+1
Step-by-step explanation:
We got two simple steps for this question:
1.Find the equation(y=mx+b):
I want to test these two points on my formula:
(0, 1), (–1, –3)
[tex]m = \frac{y2 - y1}{x2 - x1} = \frac{1 - ( - 3)}{0 - ( - 1)} = \frac{4}{1} = 4[/tex]
so we just calculated our m and now it time for b
[tex]y = 4x + b = = = > 1 = 4(0) + b = = = > b = 1[/tex]
So your criterion is y=4x+1
2.
we are looking for ys greater than xs so your answer is gonna be y>4x+1
Assuming a level of significance of 0.01, is there sufficient evidence to show that the manufacturer needs to recalibrate the machines
Answer: Yes, there is
Step-by-step explanation:
Wayne borrowed sh. 50,000 from a
bank that charged compound interest
at the rate of 12% p.a. How much did
she pay back at the end of 30 months?
Answer:15000
Step-by-step explanation:50,000 x 0.12=6,000 X 2=12,000
6000 divided by 2= 3,000
12 + 12=24+6=30
Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. A pollster contacts 90 people in the 18-21 age bracket and finds that 76 of them respond and 14 refuse to respond. When 263 people in the 22-29 age bracket are contacted, 240 respond and 23 refuse to respond. Assume that 1 of the 353 people is randomly selected. Find the probability of getting someone in the 22-29 age bracket or someone who agreed to respond.
The probability of getting someone in the 22-29 age bracket or someone who agreed to respond is 0.96.
What is probability?The rate of possible outcomes to the total outcomes is said to be the probability.
P(E) = n(E)/n(S)
E - event and S -sample space
we have,
P(A or B) = P(A) + P(B) - P(A and B)
Calculation:It is given that,
Pollsters are concerned about declining levels of cooperation among persons contacted in surveys.
The data is listed below:
(Age group) Response - agreed Response - refused Total
18-21 76 14 90
22-29 240 23 263
Total 316 37 353
So, consider the required events
Age group (22-29) as A and someone who agreed to respond as B
Thus, the probabilities are calculated as below:
P(A) = n(A)/n(S) = 263/353
P(B) = n(B)/n(S) = 316/353
P(A and B) = n(A and B)/n(S) = 240/353
Substituting all these in the formula we get,
P(A or B) = P(A) + P(B) - P(A and B)
= 263/353 + 316/353 - 240/353
= 339/353
= 0.96
Therefore, the required probability is 0.96.
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PLEASE HELP IM SUPER STUCK
Answer:
[tex]y = \frac{1}{4} x + 9[/tex]
Step-by-step explanation:
All lines take the form
[tex]y = mx + c[/tex]
Where m is the gradient (or slope), and c is the y-intercept. To find the gradient if a line perpendicular to another, we must find the negative reciprocal of the other line. The gradient of the line given is -4, so our negative reciprocal is 1/4.
To find our y-intercept, we must find the point where the line crosses the y-axis (in other words, when the X coordinate is 0). Helpfully, the coordinate given is already at this point, so we can simply take the y coordinate from here, and we know our y-intercept is 9. Putting this altogether, our equation is:
[tex]y = \frac{1}{4} x + 9[/tex]
Jeanette needed a large number of responses for her survey about taste preferences so she chose to do an internet survey. A significant problem she may have is _____
A significant problem is her sample will not be representative for her survey when she needed a large number of responses for her survey about taste preferences so she chose to do an internet survey.
what is internet survey ?
An Internet survey is a structured questionnaire that your target audience fills out over the internet, typically by filling out a form. The length and format of online surveys can vary. The data is saved in a database, and the survey tool usually includes some level of data analysis in addition to review by a trained expert.
Survey Advantages:
Unlike traditional surveys, internet surveys allow businesses to collect information from a large number of people at a low cost. When you conduct an internet survey, you will have the opportunity to learn:
Who are your customers?
What your users want to achieve?
What information are your users looking for?
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PLEASE HEPP IM STUCK
Answer:
m = -4
Step-by-step explanation:
We are given that a line intersects the points (-2, 9) and (3, -11).
We want to write the slope of this line.
The slope (m) can be found using the formula [tex]\frac{y_2-y_1}{x_2-x_1}[/tex], where [tex](x_1, y_1)[/tex] and [tex](x_2, y_2)[/tex] are points.
Even though we have everything we need to calculate the slope, let's label the values of the points to avoid any confusion & mistakes.
[tex]x_1=-2\\y_1=9\\x_2=3\\y_2=-11[/tex]
Now substitute these values into the formula (remember that the formula has subtraction).
m= [tex]\frac{y_2-y_1}{x_2-x_1}[/tex]
m=[tex]\frac{-11-9}{3--2}[/tex]
Simplify.
m=[tex]\frac{-11-9}{3+2}[/tex]
Subtract the values on top.
m=[tex]\frac{-20}{3+2}[/tex]
Now add the values on the bottom together.
m=[tex]\frac{-20}{5}[/tex]
Now divide -20 by 5.
m = -4
Can someone help me please
Answer:
D. (4,0) and (-4,0)
C. there is one discontinuity at x=3
Step-by-step explanation:
Roots can be found by setting f(x)=0:
f(x)=(x^2-16)/(x^2-2x-3)
0=(x^2-16)/(x^2-2x-3), multiply both sides by x^2-2x-3 to get rid of the denominator
0=x^2-16, use difference of squares to factor it
0=(x+4)(x-4)
x=4,-4
Therefore the roots are (4,0) and (-4,0)
Discontinuities are when f(x) is undefined, and f(x) is undefined when something is divided by 0
Set the denominator equal to 0:
0=x^2-6x+9, use the form a^2 - 2ab + b^2 to factor
0=(x-3)^2
x=3
Therefore, there is a discontinuity at x=3
Solving equations with fractions- how do i solve this
Answer:
23/75
Step-by-step explanation:
8/15 + x = 21/25
x = 21/25 - 8/15
now we need to bring both fractions to the same denominator (bottom part), so that we can do the subtraction.
what is the least common multiple (LCM) of 25 and 15 ? that will be the common denominator.
I usually use the prime factor factorization of the involved numbers.
15 : 3, 5 (15 = 3×5, there are no smaller prime factors)
25 : 5, 5 (25 = 5×5, there are no smaller prime factors)
the LCM is the combination of the longest chains of each prime factor :
3×5×5 = 75
so, we bring both fractions to 75 denominators.
how many 1/75th are 1/25 ? as 25×3 = 75, we have 3/3 × 1/25 = 3/75 (= 1/25).
so,
21/25 = 21×3/75 = 63/75
how many 1/75th are 1/15 ? as 15×5 = 75, we have 5/5 × 1/15 = 5/75 (= 1/15).
so,
8/15 = 8×5/75 = 40/75
remember, we have to multiply the numerator and the denominator by the same value to keep the original value of the fraction unchanged.
and now our equation looks like
x = 63/75 - 40/75 = 23/75
find a linear and an exponential equation that matches f(2)=12 and f(4)=48
The exponential equation that matches the coordinate is 3(2)^x while the linear equation is y = 6x
Exponential equationThe standard exponential equation is expressed as y= ab^x
where
a is the base
x is the exponent
Given the coordinates (2, 12) and (4, 48)
12 = ab^2
48 = ab^4
Find the ratio
4 = b^2
b = 2
Sice ab^2 = 12
4a = 12
a = 3
The exponential equation that matches the coordinate is 3(2)^x
For the linear equation
The standard form is y = mx + b
m is the slope = 48-12/4-2
Slope = 12/2
Slope = 6
For the y-intercept
12 = 6(2) + b
b = 0
Hence the required linear equation is. y = 6x
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What is the value of the expression below when w= 5 and x =9
The value of the expression 9w + 5x when w= 5 and x =9 is 90
Algebraic expression9w + 5x
When
w = 5 and x = 9
9w + 5x
= 9(5) + 5(9)
= 45 + 45
= 90
Complete question:
What is the value of the expression below when w = 5 and x = 9? 9w + 5x
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Simplify. Show work.
3² x 5 + 4 =
Answer:
49
Step-by-step explanation:
[tex]3^{2} *5+4[/tex]
= [tex]9*5+4[/tex] Simplify the exponents.
= [tex]45+4[/tex] Multiplication.
= 49 Addition.
Answer:
49
Step-by-step explanation:
1. Whenever there is an exponent, we solve that first. 3^2 is 9.
2. In an equation, multiplication, and division is first, and since there is no division in the equation, we do the multiplication first. 9 x 5 is 45.
3. We finish by adding 4 to 45, which is 49.
multiplicacion 5(3x-2)
Answer: 15x-2
Step-by-step explanation: ?
Answer:
15x - 10
Step-by-step explanation:
[tex]5(3x-2)=5(3x)+5(-2)=15x-10[/tex]
Hope this helps
Se vendieron un total de 430 boletos para la obra de teatro escolar. Los boletos eran o de adulto o de estudiante. Se vendieron 70 boletos de estudiante menos que boletos de adulto. ¿Cuántos boletos de adulto fueron vendidos?
Resolviendo un sistema de ecuaciones, veremos que se vendieron 250 boletos de adulto.
¿Cuántos boletos de adulto fueron vendidos?
Definamos las variables:
x = boletos de adulto vendidos.y = boletos de estudiantes vendidos.Se vendieron un total de 430 boletos, entonces:
x + y = 430
Y se vendieron 70 boletos de estudiante menos que boletos de adulto:
y = x - 70
Tenemos el sistema de ecuaciones:
x + y = 430
y = x - 70
Para resolverlo, podemos reemplazar la segunda ecuación en la primera:
x + y = 430
x + (x - 70) = 430
2x = 430 + 70 = 500
x = 500/2 = 250
Se vendieron 250 boletos de adulto.
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look at the image for any information and the question thank you
The measure of angle CKB (m ∠CKB) is 144°
Calculating anglesFrom the question, we are to determine the measure of angle CKB (m ∠CKB)
First, we will determine the value of x
From the given information,
m ∠KAE = 3x
m ∠KCD = 2x
In the diagram,
m ∠KCD = m ∠AKE (Alternate angles)
∴ m ∠AKE = 2x
Also,
m ∠KAE + m ∠AKE + m ∠AEK = 180° (Sum of angles in a triangle)
3x + 2x + 90° = 180°
5x = 180° - 90°
5x = 90°
x = 90°/5
x = 18°
But,
m ∠CKB = 180° - m ∠AKE (Sum of angles on a line segment)
m ∠CKB = 180° - 2x
m ∠CKB = 180° - 2(18°)
m ∠CKB = 180° - 36°
m ∠CKB = 144°
Hence, the measure of angle CKB (m ∠CKB) is 144°
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quadratic formula. pls help
Answer:
[tex]x=-1,\frac{5}{7}[/tex]
Step-by-step explanation:
1) Split the second term in [tex]7{x}^{2}+2x-5[/tex] into two terms.
1 - Multiply the coefficient of the first term by the constant term.
[tex]7\times -5=-35[/tex]
2 - Ask: Which two numbers add up to 2 and multiply to -35?
7 and -5.
3 - Split 2x as the sum of 7x and -5x.
[tex]7x^2+7x-5x-5[/tex]
2) Factor out common terms in the first two terms, then in the last two terms.
[tex]7x(x+1)-5(x+1)=0[/tex]
3) Factor out the common term x+1.
[tex](x+1)(7x-5)=0[/tex]
4) Solve for x.
1 - Ask: When will (x+1)(7x-5) equal zero?
When x + 1 0 or 7x-5=0
2 - Solve each of the 2 equations above.
[tex]x=-1,\frac{5}{7}[/tex]
[tex]\huge\text{Hey there!}[/tex]
[tex]\huge\textbf{What are the quadratic formulas?}[/tex]
[tex]\bullet\rm{\ \dfrac{-b \pm \sqrt{b^2 - 4ac}}{2a}}[/tex]
[tex]\bullet\rm{\ ax^2 + bx + c = 0}[/tex]
[tex]\huge\textbf{What are we solving for?}[/tex]
[tex]\rm{7x^2 + 2x - 5 = 0}[/tex]
[tex]\huge\textbf{What do we have to do?}[/tex]
[tex]\rm{7x^2 + 2x - 5 = 0}[/tex]
[tex]\huge\textbf{Factor the LEFT side of the given}\\\\\huge\textbf{equation:}[/tex]
[tex]\rm{(7x - 5)(x + 1) = 0}[/tex]
[tex]\rm{(7x - 5) \times (x + 1) = 0}[/tex]
[tex]\huge\textbf{Set 0 to the factors:}[/tex]
[tex]\rm{7x - 5 = 0\ or\ x + 1 = 0}[/tex]
[tex]\huge\textbf{Simplify it:}[/tex]
[tex]\rm{x = \dfrac{5}{7}\ or\ x = -1}[/tex]
[tex]\huge\textbf{Therefore, your answer should be:}[/tex]
[tex]\huge\boxed{\frak{\mathsf x = \dfrac{5}{7}\ or\ \mathsf{x} = -1}}\huge\checkmark[/tex]
[tex]\huge\text{Good luck on your assignment \& enjoy your day!}[/tex]
~[tex]\frak{Amphitrite1040:)}[/tex]
Hey I appreciate the help thank you
Answer:
60 degrees
Step-by-step explanation:
The sum of the interior angles of a triangle are 180. The bottom triangle give you two of the angle measurements (43 and 35) Take 180 - 43 -35 = 102. Angle E is 102. Vertical angles are congruent so that mean that we can use that to find angle a. Again, the sum of the interior angles adds up to 180. 180 - 102 - 18 gives us the measurement of angle a (60)
What values of a and b make the equation true? startroot 648 endroot = startroot 2 superscript a baseline times 3 superscript b baseline endroot
The values of a and b which make the equation true are; a = 3 and b = 4 respectively.
What are indices in maths?An index, or a power, is the small floating number that goes next to a number or letter. The plural of index is indices. Indices show how many times a number or letter has been multiplied by itself.From the question; the expression given is;
[tex]\sqrt{648} = \sqrt{2^{a} * 3^{b} }[/tex]
In essence; we have;
648 = 2^a × 3^b
By expression of of 648 as the product of its lowest factors; we have;
648 = 2 × 2 × 2 × 3 × 3 × 3 × 3.
In which case; we have;
648 = 2³ × 3⁴
Ultimately, the values of a and b which make the equation true are 3 and 4 respectively.
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The complete question is -
What values of a and b make the equation true? StartRoot 648 EndRoot = StartRoot 2 Superscript a Baseline times 3 Superscript b Baseline EndRoot a = 3, b = 2 a = 2, b = 3 a = 3, b = 4 a = 4, b = 3
please help me 5 Points
a. Area of A = 20 ft²
Area of B = 16 ft²
Area of C = 12 ft²
Area of A = 24 ft²
b. The surface area of the triangular prism = 96 ft².
How to Find the Surface Area of a Right Triangular Prism?The surface area of the triangular prism given in the diagram = area of A + B + C + D.
a.
Area of A (rectangle) = (length)(width) = (10)(2) = 20 ft²
Area of B (rectangle) = (length)(width) = (8)(2) = 16 ft²
Area of C (rectangle) = (length)(width) = (6)(2) = 12 ft²
Area of A (rectangle) = 1/2(base)(height) = 1/2(6)(8) = 24 ft²
b. The surface area of the triangular prism = 20 + 16 + 12 + 2(24) = 96 ft².
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On a coordinate plane, square P Q R S is shown. It has points (0, 4), (4, 4), (0, 0), and (4, 0).
Prove the diagonals of the square with vertices P(0, 4), Q(4, 4), R(0, 0), and S(4, 0) are perpendicular bisectors of each other.
Step 1: Calculate the slope of the diagonals.
The slope of diagonal PS is
.
The slope of diagonal QR is
.
Step 2: Calculate the midpoint of the diagonals.
The midpoint of PS is
.
The midpoint of QR is
.
The diagonals of the square are perpendicular bisectors because the diagonals are
.
The slope of diagonal PS is -1 and the slope of diagonal QR is 1 based on the information about the coordinate plane.
How to illustrate the information?Step 1: Calculate the slope of the diagonals.
The slope of diagonal PS is -1
The slope of diagonal QR is 1
Step 2: Calculate the midpoint of the diagonals.
The midpoint of PS is (2,2)
The midpoint of QR is (2,2)
The diagonals of the square are perpendicular bisectors because the diagonals are perpendicular and share the same midpoint
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Answer:
1. The slope of diagonal PS is -1.
2. The slope of diagonal QR is 1.
3. The midpoint of PS is (2,2).
4. The midpoint of QR is (2,2).
5. The diagonals of the square are perpendicular bisectors because the diagonals are perpendicular and share the same midpoint.
Step-by-step explanation: I just did it on edge 2023. Hope this helps!
If a hypothesis is tested at the α=0.05 level of significance, what is the probability of making a type i error?
The probability of making a type i error is also α = 0.05 or 5% of error.
For the given question,
A Type I error occurs when a significance test results in the rejection of a true null hypothesis. By one common convention, if the probability value is below 0.05, then the null hypothesis is rejected.
The null hypothesis assumes no cause and effect relationship between the tested item and the stimuli applied during the test. The probability of making a type I error is represented by the alpha level (α), which is the p-value below which you reject the null hypothesis.
Thus, If a hypothesis is tested at the α=0.05 level of significance, then the probability of making a type i error is also α=0.05 or 5% of error.
Hence we can conclude that the probability of making a type i error is also α = 0.05 or 5% of error.
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Pentagon ABCDE ~ LMNOP. Find the value of x and the measure of Lc.
The value of x is 6 and the measure of ∠C is 86 degrees
How to solve for x and the measure of c?The complete question is added as an attachment
Given that:
ABCDE ~ LMNOP
It means that we have the following equivalent ratio
ED : BC = PO : MN
This gives
8 : 6 = 12 : x
Express as fraction
6/8 = x/12
Multiply both sides by 12
12 * 6/8 = x
Evaluate
9 = x
Rewrite as
x = 9
Also
ABCDE ~ LMNOP implies that the corresponding angles are equal
The corresponding angle of C is N
And, we have:
N = 86
This implies that
C = 86
Hence, the value of x is 6 and the measure of ∠C is 86 degrees
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A red team, blue team and green team were playing a game. The 3 people on the red team each lost 15 points. The 6 people on the blue team each gained 14 points. The 5 people on the green team each lost 11 points.
1. What is the total gain/loss for each team? Write your answer as a integer.
Team red:
Team blue:
Team green:
2. The twist in this game is that you need to multiply your final score by -6. Who won the game and what was their final score? The team with the greatest integer wins.
Team————wins with———-points.
WILL MAKE BRAINLIEST!! What will the coordinates of triangle are RST after it is translated four units right and three units up type your answer in as a coordinate pair X, Y for each point enter your answer and also provide a one sentence explanation that describes how are you determine your answer review the Rubik be slow to see how you will be evaluated?
The coordinates of triangle RST after it is translated four units right and three units up are (0, 5), (7, 8) and (0, -1)
How to determine the coordinates?From the figure, the coordinates of the triangle RST are:
R = (-4, 2)
S = (3, 5)
T = (-4, -4)
The rule of translation is given as:
Four units rightThree units upThis is represented as:
(x, y) = (x + 4, y + 3)
So, we have:
R' = (-4 + 4, 2 + 3) = (0, 5)
S' = (3 + 4, 5 + 3) = (7, 8)
T = (-4 + 4, -4 + 3) = (0, -1)
Hence, the coordinates of triangle RST after it is translated four units right and three units up are (0, 5), (7, 8) and (0, -1)
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The function f(x) = is translated left 5 units and up 3 units to create the function g(x). what is the domain of g(x)? {x | x > –5} {x | x > –3} {x | x > 3} {x | x > 5}
Answer:
{x | x > –5}
{x | x > –3}
{x | x > 3}
{x | x > 5}
Step-by-step explanation:
What is the sum of the lengths, in centimeters, of the two legs of a 30-60-90 right triangle, if the length of the hypotenuse is $2\sqrt{6}$ centimeters
The sum of the lengths of two legs of the 30°-60°-90° right triangle is 6.69 centimeters. Using the ratio of sides for the 30°-60°-90° triangle, the sum is calculated.
What is the ratio of sides for the 30°-60°-90° triangle?The ratio for the 30°-60°-90° triangle is 1:√3:2 or x:x√3:2x
where x corresponds to the length opposite the 30° angle and x√3 is opposite of the 60° angle and 2x is opposite to the 90° angle.
Calculation:It is given that the triangle is a right triangle with angles 30°-60°-90°
For such a triangle, the ratio of side lengths is x: x[tex]\sqrt{3}[/tex]:2x
we have the length of the hypotenuse is [tex]2\sqrt{6}[/tex]
So, 2x = [tex]2\sqrt{6}[/tex]
⇒ x = [tex]\sqrt{6}[/tex]
So,
the other length of the other leg is x√3 = √6 × √3 = 3 √2
Then, the sum of these two legs = √6 + 3√2 = 6.69 centimeters.
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What is the perimeter of the contest area on the judo mat?
(please be quick)
The perimeter of the contest area on the judo mat will be 32 meters.
What is the perimeter of the square?For a square with a side length of a unit, we get:
Perimeter of the square = 4a unit
The side length of square is 8 m.
Then the perimeter of the contest area on the judo mat will be
P = 4 x 8
P = 32 m
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Help please im bad at math!
Hello, the solution is in this photo.
The correct answer is 300
Answer:
300cm^2
Step-by-step explanation:
Replace pie by 3. 3(10)^2 which equals to 300cm^2. 10 is radius.
What is the image of (-4,-4) after a dilation by a scale factor of 2 centered at the origin?
Answer:
multiply x and y coordinates by 2 since its a whole number dilation (make bigger basically) ... (-8,6)
Step-by-step explanation: