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kondor19780726 [428]
2 years ago
13

WILL GIVE BRAINLIEST 30 POINTS What scale factor is needed to dilate ABCD into WXYZ?

Mathematics
1 answer:
algol [13]2 years ago
7 0

Answer:

3/4

Step-by-step explanation:

The side lengths of WXYZ divided by the side lengths of ABCD is the scale factor needed to dilate.

6/8 is 3/4

9/12 is 3/4

3.75/5 is 15/20 which is 3/4

15/20 is 3/4

Double check: 20*3/4 is 15. 8*3/4 is 6. 5*3/4 is 3.75. 12*3/4 is 9.

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ماThe circumference of a circle is 7pie m.<br> What is the area of the circle?
Tresset [83]

Answer:

12.25\pi sq m

Step-by-step explanation:

if circumference is 7\pi then the diameter is 7

Area = \pir²

A = (3.5)²\pi

A = 12.25\pi

7 0
2 years ago
If a+b =5, b+c=6, c+a=7. then find the value of a​
vlabodo [156]

Answer:

a = 3

Step-by-step explanation:

8 0
3 years ago
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Question 17 of 25
belka [17]

Answer:

B

Step-by-step explanation:

10 ÷ 8

=0.8

≈1% probability

4 0
3 years ago
I WILL MARK THE BRAINLIEST!!! One math question. please explain as well
8090 [49]
Surface area of a sphere=4pi(r^2)
Volume of a sphere=(4/3)pi(r^3)
You need to find the r value to calculate surface area, so I'll solve for that first.
(4/3)pi(r^3)=2254pi
(4/3)(r^3)=2254
r^3=1690.5
r=(1690.5)^(1/3), around 11.9126m
Substitute this in to find surface area
A=4pi(r^2)=4pi(11.9126)^2
=1783.2818 m^2
5 0
4 years ago
I need help can someone help me pls
sattari [20]

Answer:

D: 25 miles

Step-by-step explanation:

Pythagorean Theorem:

a^{2} + b^2 = c^2

36^2 + b^2  =  39^2

1,296 + b^2  =  1,521

b^2  =  225

b  =  25

4 0
3 years ago
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