3 years ago

8-102.

Mathematics

1 answer:

PIT_PIT [208]3 years ago

5 0

a. The speed is represented by 7 miles an hour

b. f(t)=7t

c. 28 miles

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In a recent year, one United States dollar was equal to about 82 Japanese yen. How many Japanese yen are equal to $100? $1,000?

alexandr402 [8]

Well if $1=82 than $100 (which is 100 times 1) would equal 82·100=8,200
$1,000·82=82,000
$10,000·82=820,000 :) hope this helps!

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3 years ago

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Solve the equation <br>-88=2+2(5m-5)

const2013 [10]

-88 = 2 + 2(5m - 5)

Distribute 2 inside the parentheses.

-88 = 2 + 10m - 10

Combine like terms on the right side.

-88 = -8 + 10m

Add 8 to both sides.

-80 = 10m

Divide both sides by 10.

$\boxed {m = -8}$

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2 years ago

What is the pre-image vertex A’ if the rule that created the image is r y-axis (X,Y) (-x,y)

Lapatulllka [165]

Answer:

its A=(-4,2)

Step-by-step explanation:

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What is the answer to 1-2x=-3x+2

scZoUnD [109]

Answer:

x=1

Step-by-step explanation:

1-2x=-3x+2

-1=-x

1=x

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2 years ago

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A population of 130,000 grows 4% per year for 16 years.

alexgriva [62]

Let's consider the scenario after each year:

After the zeroth year, the population is: 120 000(1 + 0.04)⁰

After the first year, the population is: 120 000(1 + 0.04)¹

After the second year, the population is: 120 000(1 + 0.04)²

...

Thus, we can find the general rule:

After the nth year, the population is: 120 000(1 + 0.04)ⁿ

And after the 16th year, the population is 120 000(1 + 0.04)¹⁶ = 224 758 (rounded to nearest whole number)

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