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2 years ago

If a+b = 0 and AB=-36 then what is a-b

Mathematics

1 answer:

emmainna [20.7K]2 years ago

7 0

Answer:

Step-by-step explanation:

If a = 6 and b = -6

a + b = 0

(6) + (-6) = 0

6 – 6 = 0

ab = -36

(6)(-6) = -36

6 • -6 = -36

a – b = 12

(6) – (-6) = 12

6 + 6 = 12

I hope this helps

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In parallelogram RSWY, find m

LuckyWell [14K]

Answer:

Part A) $m\angle R=110^o$

Part B) $m\angle S=70^o$

Step-by-step explanation:

we know that

In a parallelogram, opposite angles are congruent and consecutive angles are supplementary

step 1

Find the value of x

we know that

$m\angle R=m\angle W$ ----> by definition of parallelogram (opposite angles are congruent)

substitute the given values

$(5x-90)^o=(2x+30)^o$

solve for x

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step 2

Find the measure of angle R

$m\angle R=(5x-90)^o$

substitute the value of x

$m\angle R=(5(40)-90)=110^o$

step 3

Find the measure of angle S

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we have

$m\angle R=110^o$

substitute

$110^o+m\angle S=180^o$

$m\angle S=180^o-110^o$

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