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3 years ago

Please find the value of x :)

Mathematics

2 answers:

Aleks04 [339]3 years ago

5 0

Answer:

10°

Step-by-step explanation:

All angles on a straight line equal 180°.

BlackZzzverrR [31]3 years ago

4 0

Answer:

x=10 degrees

Step-by-step explanation:

Every straight line will always be equavilant to 180 degrees. So I added 92+78 which gave me 170. From there, I subtracted 180-170 which gave me 10 degrees. Hope this helps!

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What is -7 to the second power

Paha777 [63]

Answer:

+49

Step-by-step explanation:

-7 x -7 = +49 because the negatives cancel out, resulting in a positive

8 0

3 years ago

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Which expressions are equivalent to − 56 z + 28 −56z+28minus, 56, z, plus, 28? Choose 2 answers: Choose 2 answers: (Choice A) A

Dmitrij [34]

Answer:

$(D)-2(28z-14) \: and\:\\(E) -7(8z-4)$

Step-by-step explanation:

We are to determine which of these expressions are equivalent to: $-56 z + 28$

$(A)\frac{1}{2}\cdot(-28z+14) \\(B)(-1.4z+0.7)40\\(C)(14-7z)\cdot(-4)\\(D)(8z-4)(-7)\\(E)-2(-28z-14)$

$-56 z + 28$

If we factor out -2

$-56 z + 28=-2(\frac{ -56 z}{-2} + \frac{28}{-2})=-2(28z-14)$

If we factor out -7

$-56 z + 28=-7(\frac{ -56 z}{-7} + \frac{28}{-7})=-7(8z-4)$

Therefore, the two equivalent expressions are:

$-2(28z-14) \: and\: -7(8z-4)$

5 0

3 years ago

Given brainliest answer

Stels [109]

Answer:

Domain all real numbers Range (3,6,12,24,48)

Step-by-step explanation:

The domain is all real numbers so its either the first one or the second one. The range is multiplyed by 2 so the range is 3,6,12,24,48

3 0

3 years ago

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Solve. 5x – 10 <20 O (-00, 2] O (-0,2) O (-00, 6] O (-0, 6)

aleksandr82 [10.1K]

The answer I got was -∞21/5

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4 years ago

PLEASE NEED ANSWER FAST

ahrayia [7]

c or d for sure hope this helps

5 0

2 years ago