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jekas [21]
3 years ago
13

If m^2 − n^2 = 117, where m and n are prime numbers, find m and n.

Mathematics
2 answers:
astraxan [27]3 years ago
5 0

Step-by-step explanation:

subtract

tamaranim1 [39]3 years ago
5 0
M=11 n=2
Ex: 121-4=117
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Mrs. Allan's car uses 8 gallons of gas for a 224-mile trip. Mrs. Owen's car uses 6 gallons of gas for a 210-mile trip. How many
Feliz [49]

Answer:

Mrs. Allan's Car will use <u>20 gallons</u> of gas for 560 miles trip.

Mrs. Owen's Car will use <u>16 gallons</u> of gas for 560 miles trip.

Step-by-step explanation:

Given:

Number of Miles for Mrs Allan car = 224 miles

Number of gallons of gas required = 8

We need to find the number of gallons of gas required for 560 miles for Mrs. Allan's car.

First we will find, in 1 gallons how many miles does Mrs Allan's Car drives.

For 8 gallons = 224 miles

So for 1 gallons = Number of miles in 1 gallon of gas

By using Unitary method we get;

Number of miles in 1 gallon of gas = \frac{224}{8}= 28\ miles

Now we know that;

for 28 miles = 1 gallon of gas is required.

So for 560 miles = Number of gallon of gas required in 560 miles.

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Number of gallon of gas required in 560 miles = \frac{560}{28}= 20\ gallons

Hence Mrs. Allan's Car will use <u>20 gallons</u> of gas for 560 miles trip.

Also Given:

Number of Miles for Mrs Owen's car = 210 miles

Number of gallons of gas required = 6

We need to find the number of gallons of gas required for 560 miles for Mrs. Owen's car.

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By using Unitary method we get;

Number of miles in 1 gallon of gas = \frac{210}{6}= 35\ miles

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for 35 miles = 1 gallon of gas is required.

So for 560 miles = Number of gallon of gas required in 560 miles.

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Number of gallon of gas required in 560 miles = \frac{560}{35}= 16\ gallons

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8 0
3 years ago
How do you calculate tan^-1 (10/53)
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Answer:

Use you calculator.

Step-by-step explanation:

There will be a way on your calculator to do tan^-1. It may be called arctan. They are the same thing.

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the total cost of new automobile including 6% sales tax is $24542. how much of the total cost is sales tax
forsale [732]
% means out of 100 so If its 6% that = .06 then just multiply
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3 years ago
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Answer:

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