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Lostsunrise [7]
3 years ago
10

Answer this behind me

Mathematics
1 answer:
Lynna [10]3 years ago
5 0

Answer:

Step-by-step explanation:

Ke = 1/2mv^2

Ke= .5x500kgx(12m/s)^2

Ke = 36,000 J

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If m A. 27<br> B.63<br> C.90<br> D.17
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Since the slopes of the two lines are the not equal, they will have only one solution. The solution will be a point and can be found using the method given below.

We can find the solutions by simultaneously solving the two equations.

From first equation, the value of y comes out to be:

2x+3y=-3 \\  \\ &#10;3y=-3-2x \\  \\ &#10;y= \frac{-3-2x}{3}

Using this value of y in second equation, we get:

3x+5( \frac{-3-2x}{3} )=-9 \\  \\ &#10;9x-15-10x=-27 \\  \\ &#10;-x=-27+15 \\  \\ &#10;-x=-12 \\  \\ &#10;x=12

Using this value of x, we can find y:

y= \frac{-3-2x}{3}= \frac{-3-24}{3} =-9

Therefore, there is only one solution to the given equations is which is (12, -9)
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If b = 10 then a = 5<br><br> what id 2b+5a
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2(10) +5(5)= 45

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