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lisov135 [29]
3 years ago
7

How to find the scale factor of a rectangle?

Mathematics
1 answer:
Leviafan [203]3 years ago
4 0
To find the scale factor, we divide one side by another that we know is correlated to that side (for example, if the sides are parallel). Since we can see that SR lines up with S'R' and RQ lines up with R'Q' (since it's in the same pyramid, they're parallel), they are similar. Finding the ratio, we get 6/15 or 4/10 or 2/5. That means that S'P' * 2/5=SP etc..
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Caitlin has a movie rental card worth $175.After she rents the first movie ,the card's value is $172.25. Aftershe rents the seco
dedylja [7]
The answer to this question is 175 - n x 2.75
4 0
4 years ago
Help! What is the area of the triangle in this coordinate plane?
Novay_Z [31]

Answer: B


Step-by-step explanation:

Multiply 4 x 8 which is 32.

Then divide it by 1/2.

The answer is 16.

7 0
3 years ago
What is a number line for 5a + 18 < -27?
Colt1911 [192]

Step-by-step explanation:

5a + 18 <  - 27 \\  \\  \therefore \: 5a  <  - 27 - 18 \\  \\  \therefore \: 5a  <  - 45 \\  \\  \therefore \: a  <   \frac{ - 45}{5}  \\  \\ \therefore \: a  <    - 9

8 0
3 years ago
What is the probability that a point chosen at random in the regular hexagon lies in the shaded region? A 1/3 B 2/5 C 1/2 D 2/3
kondaur [170]
Answer: option A) 1/3

Justification:

1) The probability that a point chosen at random <span>in the regular hexagon lies in the shaded region is equal to:

  area of the shaded region
---------------------------------------
     area of the hexagon

2) The hexagon is formed by 6 equal triangles and the shaded area is formed by 2 of those triangles.

3) Therefor,naming x the area of one triangle, the the above fraction is equal to:

  area of two triangles           2x        
------------------------------- =    --------   = 2/6 = 1/3
  area of six triangles            6x

And that is the answer: 1/3
</span>
8 0
4 years ago
Read 2 more answers
PLEASE I NEED HELP WITH BOTTOM PART WILL MARK BRAINLIEST!!
kipiarov [429]

Answer:

13.

parallel: y = 1/3x -3

perpendicular: y = -3x - 3

14.

parallel: y = 4x - 1/2

perpendicular: y = -1/4x - 1/2

15.

parallel: y = -2x + 4

perpendicular: y= 1/2x + 4

16.

parallel: y = -2x-2

perpendicular: y= 1/2x-2

17.

parallel: y = -2x+8

perpendicular: y= 1/2x + 8

Step-by-step explanation:

A perpendicular has a negative reciprocal slope and a parallel has the same slope

6 0
3 years ago
Read 2 more answers
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