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Kryger [21]
3 years ago
8

Can someone please answer question 3b and 4 please and provide an explanation.

Mathematics
1 answer:
Paraphin [41]3 years ago
8 0
Send the picture of the question
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I NEED HELP PLEASE, THANKS
castortr0y [4]

First, find the scale factor.

8.4 / 7 = 1.2

9 / 7.5 = 1.2

7.2 / 6 = 1.2

Since both solids are different sizes, the solids aren't congruent.

The size ratio for all the sides are:

8.4:7

9:7.5

7.2:6

Since the scale factor isn't 1:1 this also proves that the solids are NOT congruent.

Since both solids are the same kind of shape and have an identical scale factor, the solids are similar.

Best of Luck!

5 0
3 years ago
If the measure of a central angle is 28°, then to find the measure of its arc, you would need to do which of the following?
MaRussiya [10]

It is A. nothing, They are Equal


YW, have a nice day.

5 0
3 years ago
Read 2 more answers
At McCord Middle School, 40 percent of the 500 students ride their bikes or walk to school. How many students ride their bikes o
alukav5142 [94]
200 students ride their bikes to school

4 0
3 years ago
Read 2 more answers
9^2 - (4) (2) (-6) what is the answer?
Rus_ich [418]

Answer:

129

Step-by-step explanation:

pls heart and give brainliest much appreciated

4 0
3 years ago
Expand 2x(5x - 2) help :(
weeeeeb [17]

Answer:

(2x • 5x) + (2x • -2)

Step-by-step explanation:

I think that's what you're looking for, you just distribute the 2x to both of the numbers in the parathesis

3 0
2 years ago
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