2 years ago

5(b + 8) A. 5b + 40 B. 5b + 8 C. 5b + 13 D. 8b + 40

Mathematics

1 answer:

Marizza181 [45]2 years ago

3 0

The answer would be A multiply the 5 with whats inside the parentheses

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2 years ago

Dina and Masha started out on a 12 mi bike path at the same time. When Dina reached the end of the 12 mi, Masha still had 3 mi l

Anna35 [415]

Answer:

6 mph

Step-by-step explanation:

Use formula

$D=r\cdot t,$

where

D = distance

r = rate

t = time

In your case,

D = 12 mi

Dina:

D = 12 mi

r = 8 mph

t = ?

So,

$12=8t\\ \\t=\dfrac{12}{8}=\dfrac{3}{2}=1.5\ hours$

Masha:

D = 12 - 3 = 8 mi

r = ?

t = 1.5 hours

Then

$9=1.5r\\ \\r=\dfrac{9}{1.5}=\dfrac{90}{15}=6\ mph$

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2 years ago

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postnew [5]

Answer:

WX = 31

Step-by-step explanation:

(65 + WX) = 2 (48)

(65 + WX) = 96

WX = 96 - 65

WX = 31

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3 years ago

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A class of 49 students took a test. 17 students had an average score of 74. the other students had

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Answer: 83

Step-by-step explanation:

2816+1258/49

4074/49

582/7

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1 year ago

HELP PLEASE (Look at the picture)

aksik [14]

Answer:

D is correct (I think).

Step-by-step explanation:

A and C are completely invalid, as A is a linear function and C does not go up in intervals of 25.

Answer C is a linear function and is represented by y=x+1, but there are potential other reasons that it could be considered a linear function.

Answer D cannot be solved by y=mx+b because it is an exponential function.

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2 years ago