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3 years ago

Five times a number plus four times the same number is equal to 360. What is the number?

Mathematics

2 answers:

eduard3 years ago

8 0

5x40=200
4x40=160
200+160=360

Lorico [155]3 years ago

5 0

Answer:

The number is 40.

Step-by-step explanation:

Let the number be x.

Given the statement: Five times a number plus four times the same number is equal to 360.

"Five times a number" means 5x

"Four times the same number" means 4x

Then, as per the given information we have;

$5x + 4x = 360$

Combine like terms;

9x = 360

Divide both sides by 9 we get;

x = 40

Therefore, the number is, 40.

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What is the slope? First, determine the slope. (200,14) (225,16)

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Answer:

$\displaystyle m=\frac{2}{25}$

General Formulas and Concepts:

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Order of Operations: BPEMDAS

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Parenthesis
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Slope Formula: $\displaystyle m=\frac{y_2-y_1}{x_2-x_1}$

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Step 1: Define

Point (200, 14)

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Step 2: Find slope m

Simply plug in the 2 coordinates into the slope formula to find slope m

Substitute in points [SF]: $\displaystyle m=\frac{16-14}{225-200}$
[Fraction] Subtract: $\displaystyle m=\frac{2}{25}$

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