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Ilia_Sergeevich [38]
3 years ago
10

What is the slope of the line that passes through the points (–20, 18) and (30, 14)?

Mathematics
2 answers:
nalin [4]3 years ago
5 0
<h3>Answer:  the fraction -2/25</h3>

Explanation:

Use the slope formula. We subtract the y values together, and do the same for the x values as well. Subtract in the same order each time. Then you divide the two results. Reduce the fraction if possible.

m = (y2 - y1)/(x2 - x1)

m = (14 - 18)/(30 - (-20))

m = (14 - 18)/(30 + 20)

m = -4/50

m = -2/25

Rasek [7]3 years ago
3 0

Answer:

-\frac{2}{25}

Step-by-step explanation:

Slope is rise over run.

m=\frac{rise}{run}=\frac{y_2-y_1}{x_2-x_1}

We are given the points (–20, 18) and (30, 14).

m=\frac{14-18}{30+20}=\frac{-4}{50}=-\frac{4}{50}=-\frac{4/2}{5/2}=\boxed{-\frac{2}{25}}

The slope is -2/25.

<em>Brainilest Appreciated. </em>

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Step-by-step explanation:

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2 years ago
Quinn has $31,700 in a savings
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)A bag contains 10 marbles of the same size that are red, yellow, and orange. The probability of picking a red marble is 10%. Th
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Answer:

Step-by-step explanation:

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5 0
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Please answer correctly! I will mark you as Brainliest!
Hitman42 [59]

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8 0
2 years ago
Read 2 more answers
Suppose a flare is shot from the top of a 120 foot building at a speed of 160 feet per second. The equation h = ?16t + 160t + 12
insens350 [35]

Answer:

The time taken for the flare to hit the ground is approximately 10.7 seconds.

Step-by-step explanation:

Given : Suppose a flare is shot from the top of a 120 foot building at a speed of 160 feet per second. The equation h =- 16t^2+ 160t + 120 models the h height at t seconds of the flare.

To find : How long will it take for the flare to hit the ground?

Solution :

The equation  h =- 16t^2+ 160t + 120 models the h height at t seconds of the flare.

The flare to hit the ground when h=0.

Substitute in the equation,

-16t^2+ 160t + 120=0

Applying quadratic formula, x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}

Where, a=-16, b=160 and c=120

x=\frac{-160\pm\sqrt{160^2-4(-16)(120)}}{2(-16)}

x=\frac{-160\pm\sqrt{33280}}{-32}

x=\frac{-160\pm 182.42}{-32}

x=\frac{-160+182.42}{-32},\frac{-160-182.42}{-32}

x=−0.70,10.70

Reject the negative value.

Therefore, the time taken for the flare to hit the ground is approximately 10.7 seconds.

4 0
2 years ago
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