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Elden [556K]
2 years ago
14

If x = -1, then which of the following equations makes a true statement?

Mathematics
1 answer:
n200080 [17]2 years ago
7 0

Answer:

C. -3x + 15 = 18

Step-by-step explanation:

substitute x with -1

-3(-1) + 15 = 18

a negative times a negative equals a positive

3 + 15 = 18

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Please answer if known - thnx so much
zheka24 [161]
The answer is 36. You can multiply top and bottom by 3, or cross multiply and divide.

3 0
3 years ago
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Can someone help me?
svlad2 [7]

Answer:

Use Pythagorean theorem,

Hypotenuse² = base² + altitude²

= 3²+ 6²

= 9 + 36

x² = 45

x = √45

x = 6.71

Step-by-step explanation:

7 0
2 years ago
(HELP ME ASAP PLEASE) In the following diagram, A || B.
vladimir1956 [14]

Answer:

m<6=77°

Step-by-step explanation:

Because the angles marked 3x+5 and 4x+7 are same side exterior angles, they are supplementary, meaning that

3x+5°+4x+7°=180°

7x+12°=180°

7x=168°

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Because the angles marked 6 and 3x+5 are corresponding angles, they are congruent, so:

<6=24*3+5

<6=77°

7 0
2 years ago
Factor the polynomial
Art [367]

Find the GCF (Greatest Common Factor)

GCF = 2x

Factor out the GCF (Write the GCF first and then, in parentheses, divide each term by the GCF.)

2x (2x^3/2x + 4x^2/2x + 6x/2x)

Simplify each term in parentheses

-2x(x^2 + 2x + 3)

<u>Answer D. -2(x^2 + 2x + 3)</u>

7 0
3 years ago
What is the value of n? 133 142 n
babunello [35]

Answer:

Explain the question a little better

Step-by-step explanation:

It is hard to understand ur question. Please restate it in a better way.

6 0
3 years ago
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