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3 years ago

The difference between 5 times a number and 3 is 12

1 answer:

7 0

5x -3 = 12
5x -3 + 3 = 12 + 3 [Add 3 to each side]
5x + 0 = 15 [Evaluate]
5x/5 = 15/5 [Divide each side by 5]
1x = 3 [Evaluate]

The answer I get is the number 3.

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What is the slope of the line that passes through the points (-4, 4) and (+6,6)?

Goshia [24]

Answer:

m=1/5

Step-by-step explanation:

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3 years ago

4(x-9)=3x-8x what is x?

yanalaym [24]

Answer:

x = 4

Step-by-step explanation:

4(x-9)=3x-8x

Follow distributive property

4x - 36 = 3x - 8x

Combine like terms

4x - 36 = -5x

Subtract 4 from both sides

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Divide both sides by -9

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5 0

3 years ago

ROUND YOUR ANSWER TO THE NEAREST TENTH

Darya [45]

Answer:

x = 16.5

Step-by-step explanation:

Use pythagorean theorem

a² + b² = c²

Plug in terms

7.1² + x² = 18²

Square each term

50.41 + x² = 324

Subtract a from c

x² = 273.59

Find square root

16.5

4 0

3 years ago

Find the domain of: y = 3x + 1

Vedmedyk [2.9K]

y = 3x + 1

It's a linear function. The domain of linear function is the set of all real numbers.

$D=\mathbb{R}=(-\infty,\ \infty)$

6 0

4 years ago