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3 years ago

Someone please help me

Mathematics

1 answer:

ehidna [41]3 years ago

3 0

C, D, and E are most likely to be right. Its either all of them, one of them, or two of them. A is impossible to use in the equation and if you use b, you get 45.5.

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What is the surface area of the prism A. 812 B. 1,190 C. 2,352 D. 132

seropon [69]

Answer:

B. 1,190 square cm

Step-by-step explanation:

For given prism:

l = 16 cm, w = 7 cm, h = 21 cm

Surface area of of the prism

$= 2 (lw + wh + hl) \\ = 2(16 \times 7 + 7 \times 21 + 21 \times 16) \\ = 2(112 + 147 + 336) \\ = 2 \times 595 \\ = 1190 \: {cm}^{2} \\$

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3 years ago

Line a has a slope of 7/5 . Line b is parallel to line a. What is the slope of line b?

DerKrebs [107]

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Hint :

Parallel lines have same slopes.

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$slope \: \: of \: \: line \: \: b \: = \frac{7}{5} \\$

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3 years ago

the gross monthly salary of a manager is $5875. Calculate her net annual salary after deductions of $976 were made monthly

Sergio039 [100]

Answer:

Her net annual salary is of $58,788

Step-by-step explanation:

The gross monthly salary is the salary earned before deductions are applied.

The net monthly salary is the salary after deductions are applied.

In this problem:

Gross monthly salary of a manager is $5875.

Deductions of $976

So net monthly salary = 5875 - 976 = $4899

Net yearly salary:

An year has 12 months. So

12*$4899 = $58,788

Her net annual salary is of $58,788

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3 years ago

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Phantasy [73]

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3 years ago

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boyakko [2]

Answer:

429

Step-by-step explanation:

y=3+6×(n-1)

n=72

y=3+6×(72-1) = 429

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3 years ago