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2 years ago

Help me plz asap!!!!!!!

Mathematics

2 answers:

NISA [10]2 years ago

7 0

I think the answer would be 30 minutes

ycow [4]2 years ago

6 0

It will take her 1/2 an hour to get there because if she walks 4 mile an hour and it is 2 miles away the you divide 4 by 2 and 1 hour by 2 so it equals a half an hour.

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3. Diego drew a scaled version of a Polygon P and labeled it Q.

bogdanovich [222]

Answer:

The scale factor used to go from P to Q is 1/4

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

If two figures are similar, then the ratio of its areas is equal to the scale factor squared

Let

z ----> the scale factor

x -----> area of polygon Q

y -----> area of polygon P

$z^{2}=\frac{x}{y}$

we have

$y=72\ units^2$

Find the area of polygon Q

Divide the the area of polygon Q in two triangles and three squares

The area of the polygon Q is equal to the area of two triangles plus the area of three squares

see the attached figure N 2

Find the area of triangle 1

$A=(1/2)(1)(2)=1\ units^2$

Find the area of three squares (A2,A3 and A4)

$A=3(1)^2=3\ units^2$

Find the area of triangle 5

$A=(1/2)(1)(1)=0.5\ units^2$

The area of polygon Q is

$x=1+3+0.5=4.5\ units^2$

Find the scale factor

$z^{2}=\frac{x}{y}$

we have $y=72\ units^2$

$x=4.5\ units^2$

substitute and solve for z

$z^{2}=\frac{4.5}{72}$

$z^{2}=\frac{1}{16}$

square root both sides

$z=\frac{1}{4}$

therefore

The scale factor used to go from P to Q is 1/4

6 0

2 years ago

Find the missing side length. Assume that all intersecting sides meet at right angles. Be sure to include the correct unit in yo

klemol [59]

The answer is 6 ft, because you have the lenght of right side minus the length of left side, which is 13-7=6

7 0

3 years ago

Read 2 more answers

PLEASE ANSWER I WILL GIVE BRAINLIEST TO WHOEVER ANSWERS GOOD PLEASE

Scilla [17]

Answer:

Your answer is dilation.

Step-by-step explanation:

A dilation either shrinks or makes the shape bigger. It changes the size.

4 0

2 years ago

Read 2 more answers

Write a linear equation with slope -1 and y intercept of 3

MatroZZZ [7]

Answer:

y = -x +3

Step-by-step explanation:

Think about the Y= mx + b

m = -1 so it's -x

b = 3, so it's +3

y intercept goes after the slope:

Y= Mx + B

Y = -x + 3

If you have any more questions that are math related (algebra 1 and geometry, please let me know and don't forget to click that friend button! Let me know if you have any more questions!

4 0

2 years ago

Part A

nydimaria [60]

Answer:

1) D

2) 10

Step-by-step explanation:

sin(30) = opposite/hypotenuse

sin(30) = 5/x

½ = 5/x

x = 5/0.5

x = 10

5 0

2 years ago