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QveST [7]
3 years ago
13

Which is the prime factorization of 84?

Mathematics
1 answer:
bonufazy [111]3 years ago
7 0
Prime factorization: 84 = 2 x 2 x 3 x 7 which can also be written 2² x 3 x 7.
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Which equation best describes the relationship between Marla's total pay , p and the number of hours she works , h?
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2 years ago
Solve -24 + (1-4)^2​
ElenaW [278]

Answer:

-15

Step-by-step explanation:

-24 + (1-4)^2​    (solve parentheses first)

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6 0
3 years ago
Read 2 more answers
Simplify (18x^4 – 3x^3 – 2x^3 + x^2 – 10 + 6), showing how you got your answer would be preferable!
Crazy boy [7]

Answer:

1

8

4

−

3

3

−

2

3

+

2

−

1

0

+

6

18

x

4

−

3

x

3

−

2

x

3

+

x

2

−

10

+

6

18x4−3x3−2x3+x2−10+6

1

8

4

−

3

3

−

2

3

+

2

−

4

18

x

4

−

3

x

3

−

2

x

3

+

x

2

−

4

18x4−3x3−2x3+x2−4

2

Combine like terms

Solution

1

8

4

−

5

3

+

2

−

4

Step-by-step explanation:

7 0
3 years ago
Which of the following applies the law of cosines correctly and could be solved to find m∠E? ANSWERS: A) cos E = 312 + 392 – 2(3
defon

This question is incomplete because the options were not properly written.

Complete Question

Which of the following applies the law of cosines correctly and could be solved to find m∠E? ANSWERS:

A) cos E = 31²+ 39² – 2(31)(39)

C) 56² = 39² – 2(39) ⋅ cos E

D) 56² = 31² + 39² – 2(31)(39) ⋅ cos E

Answer:

D) 56² = 31² + 39² – 2(31)(39) ⋅ cos E

Step-by-step explanation:

From the above diagram, we see are told to apply the law of cosines to solve for m∠E i.e Angle E

The formula for the Law of Cosines is given as:

c² = a² + b² − 2ab cos(C)

Because we have sides d , e and f and we are the look for m∠E the law of cosines would be:

e² = d² + f² - 2df cos (E)

e = 56

d = 39

f = 31

56² = 39² + 31² - (2 × 39 × 31) × cos E

Therefore, from the above calculation and step by step calculation, the option that applies the law of cosines correctly and could be solved to find m∠E

Is option D: 56² = 31² + 39² – 2(31)(39) ⋅ cos E

8 0
3 years ago
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