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3 years ago

10

Use the formula d = rt to find the distance d a long distance runner can run at a rate of 9 1/2 miles per hour for time t or 1 3

/4 hours

1 answer:

LiRa [457]3 years ago

7 0

D = (9 1/2) (1 3/4) D = 11 7/8 miles

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A number is chosen at random from 1 to 25. Find the probability of selecting a number less than 2

grigory [225]

It would be an 8% chance

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2 years ago

You paint one third of a wall and one for seven hours at that rate how long will it take you to paint one wall

Anna [14]

We can put this word problem into an equation.

1/3x = 7

Now we just have to solve for x. To find x we need to multiply by three on both sides.

1/3x = 7
*3 *3
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So it will take 21 hours to paint one wall.

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2 years ago

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Given line segment AB, the coordinates of A are (3,-5) and the coordinates midpoint are (5,-1), what are the coordinates for B?

dsp73

Answer:

<h3> B(7, 3)</h3>

Step-by-step explanation:

Point P(5, -1) being the midpoint of AB means that $x_P-x_A=x_B-x_P$

$5-3=x_B-5\\\\2+5=x_B\\\\x_B=7$

and $y_P-y_A=y_B-y_P$

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6 0

3 years ago

How would you solve this(what is the equation of the line that passes through the point (3,4) and has a slope of -2/3?)//delta m

andre [41]

Answer:

$y = -\frac{2}{3}x + 6$

Step-by-step explanation:

y = mx + b is the formula for slope intercept. What we can do is plug in the slope and coordinate points to find the y-intercept.

4 = $-\frac{2}{3}$ (3) + b

-2/3 times 3 is -2 so you can fill that in place.

4 = -2 + b

<u>+2 +2 </u>

6 = b

So the y-intercept is 6 now we can complete the equation.

$y = -\frac{2}{3}x + 6$

Hope that helps and have a great day!

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3 years ago