Help? ( picture below)

Mathematics

2 answers:

Gnesinka [82]3 years ago

8 0

Cross multiply 9/c=6/d.

This would be 9d=6c.

Your answer is 6c.

Hope this helps :)

balu736 [363]3 years ago

3 0

The correct answer is is 6c

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Two angles form a linear pair. the measure of one angle is 26∘26∘ greater than the measure of the other angle. find the measure

Tpy6a [65]

A linear pair means that the sum of the angles is 180 degrees.

Therefore:

a + b = 180°

We know that:

a = b + 26°

Therefore:

b + 26 + b = 180

2b = 154

b = 77°

So,

a = b + 26 = 103°

6 0

3 years ago

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irinina [24]

$630

The total perimeter is 42 and 42x15=630

7 0

3 years ago

If Pentagon ABCDE was dilated to create Pentagon A'B'C'DE', what rule was used?

svetlana [45]

Answer:

B $(x,y) \rightarrow \left(\frac{5}{2}x,\frac{5}{2}y\right)$

Step-by-step explanation:

Dilations

Given a point A(x,y) and a scale factor k the dilated image of A, called A' is calculated as A'=(kx,ky), assuming the same scale factor is applied in both axes.

The pentagon ABCDE was dilated to create pentagon A'B'C'D'E'. To find the dilaton rule used, we must find two clear points where the coordinates of both axes can be easily read from the graph.

Point C(-2,0) maps to C'(-5,0). This gives us the scale factor for the x-axis of -5/(-2)= 5/2.

The y-coordinate of E is 2 and the y-coordinate of E' is 5. This gives us the same scale factor for the y-axis of 5/2.

Thus, the rule to dilate the pentagon is:

B $\mathbf{(x,y) \rightarrow \left(\frac{5}{2}x,\frac{5}{2}y\right)}$