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nignag [31]
2 years ago
5

Seraphina is driving two hours to visit her family. For the first hour, she traveled at a speed of 56 miles per hour. Then, in t

he second hour, she traveled at a speed of 72 miles per hour. What is the percentage increase of Seraphina's speed? If necessary, round to the nearest tenth of a percent.
Mathematics
1 answer:
RUDIKE [14]2 years ago
4 0

Answer

128

Step-by-step explanation:

72+56=128

You are welcome

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The ratio of blue cars to red cars in a garage is 9:7. If there are 49 red cars in the garage then how many blue cars must be in
m_a_m_a [10]

Answer:

Blue cars, B = 63 cars

Step-by-step explanation:

Let the blue cars be B.

Let the red cars be R.

Given the following data;

Ratio of B:R = 9:7 = 9 + 7 = 16

Red cars, R = 49

To find the number of blue cars;

First of all, we would determine the total number of cars using the expression;

R = 7/16 * x = 49

7x = 49 * 16

7x = 784

x = 112 cars

Now, we can find the number of blue cars;

B = 9/16 * 112

B = 1008/16

Blue cars, B = 63 cars

3 0
3 years ago
You have a goal of saving to build up a nest egg of $625,357.24, and you are going to make regular deposits to an account that p
Delvig [45]

The monthly deposit required to save up to $625,357.24 (future value) in 40 years at a 7.2% APR is <u>$225.20</u>.

<h3>What is the monthly deposit?</h3>

The monthly deposits are the periodic savings that the investor must make to achieve future value.

The monthly deposit is compounded at the monthly annual percentage rate (APR).

We can compute the required monthly deposits using an online finance calculator as follows:

N (# of periods) = 480 months (40 years x 12)

I/Y (Interest per year) = 7.2%

PV (Present Value) = $0

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<u>Results</u>:

Monthly Deposits (PMT) = $225.20

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Total Interest = $517,261.24

Thus, to save $625,357.24 in 40 years, you need to deposit <u>$225.20</u> monthly.

Learn more about periodic deposits (payments) at brainly.com/question/13031679

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6 0
1 year ago
Expand the expression using the distributive property: 6(4x + 5y + 2)
Oksanka [162]

Answer:

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Step-by-step explanation:

this is simplified

5 0
3 years ago
PLSS HELP MEE
svetlana [45]

Answer:

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7 0
3 years ago
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A 3-foot piece of wire costs $0.76. What is the unit price, rounded to the nearest cent?
Vadim26 [7]

divide total cost by length:

0.76 / 3ft = 0.2533 cents per foot

 rounded to nearest cent = 0.25 cents per foot

7 0
3 years ago
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