3 years ago

Which ordered pair makes the equation true 2x - 5y = -10

1 answer:

7 0

With only one equation and no answer choices, there are an infinite number of possible values for x and y to make the equation true.

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What is the slope of a line perpendicular to the line whose equation is 4x−10y=404x−10y=40. Fully simplify your answer.

Anna007 [38]

Answer:

$- \frac{5}{2}$

Step-by-step explanation:

4x -10y= 40

Let's rewrite this equation in the slope-intercept form (y= mx +c) so that we can obtain it's slope.

10y= 4x -40

Divide both side by 10:

$y = \frac{2}{5} x - 4$

The product of the gradients of perpendicular lines is -1.

⅖(gradient of line)= -1

Gradient of perpendicular line

$= - 1 \div \frac{2}{5}$

$= - 1 \times \frac{5}{2}$

$= - \frac{5}{2}$

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2 years ago

Find the output please help

konstantin123 [22]

Answer:

x=90 y=24

Step-by-step explanation:

I'm pretty sure if you're using slope this should be it.

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3 years ago

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Kelly has made 16 out of 25 free throws. the probability that she will make her next free throw is 64%. Is this an Experimental

Anna71 [15]

Well percents are probability, and probability is similar to theory. So i think its theoritical probability.

Hope this helps.

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3 years ago

Mark wants to maintain an average of 70 on his math tests to remain eligible for sports. So far, he earned scores of 68, 75, 74,

Alex17521 [72]

Answer:

Step-by-step explanation:

(68+75+74+82+88+x)/6=70

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x= 33

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3 years ago

PLEASE HELP! DUE TODAY :))

Aleonysh [2.5K]

Step-by-step explanation:

do like the picture I sent

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2 years ago