Two Angles are Complementary when they add up to 90 degrees (a Right Angle). They don't have to be next to each other, just so long as the total is 90 degrees.

So (5x + 4) + ( 7x + 2) = 90

12x + 6 = 90

12x = 90 – 6

12x = 84

X = 7

6 0

3 years ago

I am giving 50 points. I only need help with this last page! Please someone help me.

tia_tia [17]

All u gotta do it plug it into ur calculator and you will get a decimal answer

5 0

4 years ago

Read 2 more answers

If 3x = 7y, what are the following ratios? 3y:x

Orlov [11]

for

: To do this we must divide each side of the equation by

which will give us

while keeping the equation balance.

8 0

3 years ago

The diagonal of a square is 27 cm long. The diagonal of a smaller square is 12 cm long. What is the difference between the lengt

kykrilka [37]

length of big square

$\sqrt{27} = 5.2$

length of small square

$\sqrt{12 } = 3.5$

difference between length of two square

=5.2-3.5

=1.7

7 0

3 years ago