2 years ago

Evaluate the function. Type only the answer.

Mathematics

2 answers:

MissTica2 years ago

7 0

The correct answer is: -13

how this helps

Fofino [41]2 years ago

4 0

Answer:-13 I think

Step-by-step explanation:4(-3)=-12

-12-1= -13

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Which figure has two circular faces?

Vladimir79 [104]

Answer:

Figure A

Step-by-step explanation:

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2 years ago

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At 9 AM you have run 2 miles. At 9:24 AM you have run 5 miles. What is your running rate in minutes per mile

rosijanka [135]

I think it's 8 b/c 24 minutes divided by 3 miles is 8 minutes per mile.

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3 years ago

The ratio of the width to the length of a painting is 3 to 7. If the painting is 42 in. long how wide is it

belka [17]

If length is 42 inches, then width is 18 inches.

Step-by-step explanation:

We are given ratio of width to the length of a painting i.e 3 to 7. If the painting is 42 inches long, then how wide it is?

Solving:

$\frac{width}{length}=\frac{width}{length}\\ \frac{3}{7}=\frac{w}{42}\\ Cross\,\,multiply:\\3*42=w*7\\126=w*7\\w=\frac{126}{7}\\w=18$

So, If length is 42 inches, then width is 18 inches.

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2 years ago

Ann has the 5 newest music CD's which is 3 less than twice the amount that Bob has.

kupik [55]

We can write it down as:

5 = 2x - 3 / + 3 (both sides)
8 = 2x / : 2 (both sides)
x = 4

Bob has 4 CDs. Let's check it:

5 = 2 * 4 - 3
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Correct.

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3 years ago

A light bulb consumes 3600 watt-hours per day. How many watt-hours does it consume in 5 days and 6 hours?

Cerrena [4.2K]

Answer:

18900 watt-hours

Step-by-step explanation:

3600 x 24 (hours in a day) = 150

150 x 6 (hours) = 900

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18000 x 900 = 18900

total= 18900

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2 years ago