2 years ago

Simplify: 1/5(10x - 20)

Mathematics

1 answer:

GalinKa [24]2 years ago

5 0

The answer is 2x-4

Factor out 5 from the expression and then reduce the numbers with the greatest common factor 5

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Answer:

-4y -6

Step-by-step explanation:

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2 years ago

How many inches are in 12 feet.

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144

Step-by-step explanation:

If there is 12 inches in 1 foot, then do 12 times 12.

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Jim bought the game system on sale for $195. Kaylen bought the same system at full price for $250. How much was the sale for whe

castortr0y [4]

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The game system that Jim bought had the sale of $55 off.

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2 years ago

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If DF=7x-3 and EG=5x+9, find the value of X

PilotLPTM [1.2K]

Answer:

$x=6$

Step-by-step explanation:

Using the given measurements of the angles and the lengths of the sides, we can determine that this figure must be a rectangle.

Diagonals of a rectangle are always equivalent/congruent.

We can use this information to set up an equation:

$DF=EG\\7x-3=5x+9$

Add 3 to both sides:

$7x-3+3=5x+9+3\\7x=5x+12$

Subtract 5x from both sides:

$7x-5x=5x-5x+12\\2x=12$

Divide both sides by 2

$\frac{2x}{2}=\frac{12}{2}\\x=6$

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2 years ago

The difference between two numbers is 9. The first number plus twice the other number is 27. Find the two numbers.

Ad libitum [116K]

X - y = 9
x + 2y = 27
You can subtract the top equation from the bottom
3y = 18
y = 6
x = 15
The two numbers are 15 and 6

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3 years ago