3 years ago

Which pair of angles are vertical angles?

Mathematics

2 answers:

hammer [34]3 years ago

5 0

The 2nd hope this helps

vredina [299]3 years ago

4 0

The 2nd one hope i helped

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3x 2 + 2x - 5 and -4 + 7x 2

fiasKO [112]

Answer:

16+2x-5adn

Step-by-step explanation:

6+2x-5adn-4+14. solution: is 16=2x-5adn

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3 years ago

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Pls Help, 20 points!

skelet666 [1.2K]

Answer:

90/13, 45/13

Step-by-step explanation:

$- 2 = x \\ 7x + 9y = - 45 \\ \\ 7 \times ( - 2)y + 9y = - 45 \\ y = 9 \\ \\ 7x + 9 \times 9 = - 45 \\ x = - 18 \\ (x.y) = (- 18.9) \\ \\$

Simplify:

$- 2 \times 9 = - 18 \\ 7 \times ( - 18) + 9 \times 9 = - 45 \\ - 18 = - 18 \\ - 45 = - 45$

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Natali5045456 [20]

Answer:

it is a irrational number

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3 years ago

The number line shows values of x that make the inequality x > 1 true.

Lana71 [14]

Where is the number line?

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What is the multiplicative inverse of −9?

Romashka-Z-Leto [24]

Answer:

The answer to your question is: letter C

Step-by-step explanation:

Multiplicative inverse is a pair of numbers which product gives 1.

Then

x will be our number

-9x = 1

x = - 1/9

because

-9 x $\frac{-1}{9}$ = $\frac{9}{9}$ = 1

8 0

3 years ago