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Masteriza [31]
2 years ago
13

My car gets 27 miles per gallon of gas. If I drive 513 miles, how many gallons of gas will I use?

Mathematics
1 answer:
Lisa [10]2 years ago
8 0

513/27 to find your answer

19 and 14/27 is your answer


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Step-by-step explanation:

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3 years ago
Easton is going to invest $340 and leave it in an account for 8 years. Assuming the interest is compounded quarterly, what inter
Jlenok [28]

Answer:

100.7%

Step-by-step explanation:

Since the interest is compounded quarterly, and there are 4 quarters per year, that would leave us with 32 quarters total where interest is acquired. Now, we need to find the interest rate, that would be required in order to end up with 420 dollars after 32 quarters.

We can setup a formula using our period of time and the money he invested into the bank:

340(x)^{32}=420

We can divide 340 from both sides, and simplify the right side to 21 divided by 17:

x^{32}=\frac{21}{17}

Taking the 32th root of 21/17 is equal to 1.00662, which is equal to 100.0662%. To the nearest tenth of a percent, this is equal to 100.7%.

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2 years ago
The school store sells binders for $5 and notebooks for $4. The store needs to sell $80 worth of these two items combined each w
lorasvet [3.4K]

Answer:

<h2>80=5x+4y</h2>

Step-by-step explanation:

Step one:

given

let binders be x

and notebooks be y

let the total sale be T

the cost of binder is $5 each

the cost of notebook is $4 each.

the total sales expected is $80

step two:

the linear model for the total sales is given as

T=x+y

using the given data, the situation can be represented linearly as

80=5x+4y

Therefore the linear expression for the total sale is 80=5x+4y

4 0
3 years ago
Read 2 more answers
Can some one help me ??? Anyone ?
Leya [2.2K]
((-2)^2-4)^3+4\cdot(-5)=\\&#10;(4-4)^3+(-20)=\\&#10;0^3-20=\\&#10;0-20=\\-20
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-3(-7) answer to this please
Naddika [18.5K]

Answer:

21

Step-by-step explanation:

Negative times negative is positive.

-3(-7) = 21

8 0
2 years ago
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