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2 years ago

8

The sum of two numbers is 81 the difference of the same two numbers is 33 write a system of equations to represent this situatio

n then find the numbers

1 answer:

vekshin12 years ago

7 0

Answer:

48

Step-by-step explanation:

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2 years ago

Find the solution set the this inequality 2x -3 > 2x-5/2

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8 months ago

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2 years ago

For ΔABC, ∠A = 8x - 10, ∠B = 10x - 40, and ∠C = 3x + 20. If ΔABC undergoes a dilation by a scale factor of 1 2 to create ΔA'B'C'

STALIN [3.7K]

If the triangles ABC and A'B'C' are similar, then
angle A = angle A'
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8x-6x = 10+10
2x = 20
x = 20/2
x = 10

So angle A is
angle A = 8x-10
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angle A = 70
making that the measure of angle A' as well

This is why the answer is choice A

3 0

2 years ago

What is the mean of the following data values? 53,71,89,10,87

enot [183]

Answer:

63

Step-by-step explanation:

Mean=Sum of all values/number of observation

=53+71+89+10+87/5

=310/5

=62

7 0

2 years ago