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Genrish500 [490]
3 years ago
9

Which one is the positive slope A.) (2,-3,) and (1,-2), B.) (0,0) and (3,-3), C.) (-1,-1) and (5,4) , D.) (-3,0), (9,0)

Mathematics
2 answers:
sesenic [268]3 years ago
8 0

Answer:

C is the positive slope! (5/6)

I hope this helps! Please mark brainliest :)

Step-by-step explanation:

Slope formula:

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

A. (2,-3,) and (1,-2)

(-2+3)/(1-2)=m

1/-1=m

-1=m

B. (0,0) and (3,-3)

(-3-0)/(3-0)=m

-3/3=m

-1=m

C. (-1,-1) and (5,4)

(4+1)/(5+1)=m

5/6=m

D. (-3,0), (9,0)

(0-0)/(9+3)=m

0/12=m

0=m

bagirrra123 [75]3 years ago
6 0

Answer:

C.

Step-by-step explanation:

Use slope = (y2-y1)/(x2-x1).

slope = (4 - -1)/(5 - -1)

slope = 5/6, positive

Hope this helps!

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Answer:

see explanation

Step-by-step explanation:

In a rectangle

• All angles are right angles

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In Δ WXV the sum of the 3 angles = 180°

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∠ YXZ = 90° - 58° = 32°

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umka2103 [35]

Answer:

It will take 6 hours for the new pump to drain the pool.

Step-by-step explanation:

As the complete question is not given, the complete question is found online and is attached herewith

Let the rate of new pump is given as x=W/t_1

Let the rate of the old pump is given as y=W/t_2

it is given that the time t_2=2t_1

So by substituting the values of t_2 in the rate equation of y

y=W/2t_1

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Also the total rate of both the pumps is given as W/t3 where t3 is given as 4 hours so the equation becomes

x+y=W/4

x+x/2=W/4

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3 years ago
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Answer:

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Step-by-step explanation:

When using elimination, the objective is to elimate one variable. In this case, we see that "y" can easily be eliminated by adding the two equations together since you will get 3y + (-3y) which will eliminate y because the value would become 0, letting us solve for x.

\left \{ {{8x+3y=28} \atop {7x-3y=2}} \right. +\\

Then we get

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Then divide by 15 on both sides and you get x=2

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You can substitute the answers we found to see that they satisfy the equation.

Hope this helped.

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Hey! :)

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Hope this helps! :)
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