3 years ago

This is the last question i need help on! i will mark brainlessttt :)thanks

Mathematics

1 answer:

Mandarinka [93]3 years ago

3 0

Answer:

A.3

Step-by-step explanation:

Since the lines are parallel that angle is 90 same as the other. So you plug in all your answers to see with one gives you 90 that being 3 because 30(3)=90.

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7x-10+2x=39+2x what is the answer

stich3 [128]

Answer:

X=7

Step-by-step explanation:

STEP 1: Simplify both sides of the equation

7x + -10 + 2x =39 + 2x

(7x + 2x) + (-10) = 2x + 39 (combine like terms)

9x -10 = 2x + 39

step 2: Subtract 2x from both sides

9x -10 - 2x = 2x + 39 - 2x

7x - 10 =39

Step 3: Add 10 to both sides.

7x - 10 + 10 = 39 + 10

7x = 49

Step 4: Divide both sides by 7.

7x/ 7 = 49/7 x=7

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3 years ago

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Setler79 [48]

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2 years ago

Evaluate the expression for p = 3. 7p

lisabon 2012 [21]

7(p)

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7(3)

the answer is 21.

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3 years ago

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kotegsom [21]

Answer:

Note that $PQ + QR = PR$ :

Once:

$PR = 15x-11\\PQ=3x+6$

$PQ + QR = PR\\\\(3x+6)+QR=(15x-11)\\\\QR=(15x-11)-(3x+6)\\\\QR=15x-11-3x-6\\\\QR=12x-17\\$

Therefore, the answer is letter B

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Rom4ik [11]

Answer is 1, my mobile is not good but

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