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morpeh [17]
3 years ago
9

What is the slope of the line that goes through the points (1, -5) and (4, 1)

Mathematics
2 answers:
tangare [24]3 years ago
7 0

Answer:

D) 2

Step-by-step explanation:

Use the following slope formula:

<em>m </em>(slope) = (y₂ - y₁)/(x₂ - x₁)

Let:

(x₁ , y₁) = (4 , 1)

(x₂ , y₂) = (1 , -5)

Plug in the corresponding numbers to the corresponding variables:

<em>m</em> = (-5 - 1)/(1 - 4)

Simplify. Remember to follow PEMDAS. First subtract, then divide:

<em>m</em> = (-5 - 1)/(1 - 4)

<em>m</em> = (-6)/(-3)

<em>m</em> = 2

D) 2 is your answer.

~

nordsb [41]3 years ago
4 0

Answer:

d. 2

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

Had all received popcorn, the bill would have been 40×$1.75 = $70. The bill was $13.50 more than that. Each hot dog purchased in place of popcorn adds $0.50 to the bill, so the number of hot dogs must be ...

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27 hot dogs and 13 bags of popcorn were purchased.

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3 years ago
What is a true statement about negative exponents?
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Step-by-step explanation:

Let's assume that you wanted to know what x^{-2} is.

To find it, you would take the reciprocal of the x amount. So x^{-2} becomes \frac{1}{x^{2}}.

This works because of the nature of exponents. Exponents represent the number of times you are multiplying a value by itself. So a^{3} would be equal to a · a · a. To increase the exponent, you increase the number of times the value is multiplied by itself: To increase a^{3} to a^{5}, you would have to multiply a with a^{3} two more times (a · a · a · a · a). To decrease the exponent, you must divide the value by itself. So to decrease a^{5} to a^{2}, you would have to divide a^{5} by a 3 times.

If the exponent is 0, the value is equal to 1. But you can still decrease the exponent into negative numbers. You just divide 1 by a the desired amount of times: \frac{1}{a^{3}} means that you are dividing 1 by a 3 times.

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3 years ago
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2 years ago
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What ratios that are equivalent to 4 to 7.
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4 to 7 =  4/7

5/8 is not.

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9 to 16 = 9 to 16.  It is not equivalent.

So only 8:14 and 16/28  are equivalent to 4 to 7.
8 0
3 years ago
Read 2 more answers
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