3 years ago

Someone please explain?!

2 answers:

5 0

So the thing you wanna do is get y, and divide it by x, for example -38÷ 2=-19 , do it for each and see if -19 pops up for all of them. -19 is the answer

nikdorinn [45]3 years ago

4 0

Answer:

y = -19x

Step-by-step explanation:

All you need to do is look at what is multiplied in the x column to get the y column.

Ex: 1 is multiplied by -19 to get -19.

2 is multiplied by -19 to get -38.

3 is multiplied by -19 to get -57.

4 is multiplied by -19 to get -76.

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W varies jointly as x and p . If w=78 when x=2 and p=10, find x when w=858 and p=5.5

Lemur [1.5K]

W=kxp
where
k is the constant of proportionality given by:
k=w/xp
<span> If w=78 when x=2 and p=10 then
</span>k=78/(2*10)
k=3.9
thus the formula is:
w=3.9xp

b] <span>find x when w=858 and p=5.5
plugging the values in the formula we get:
858=3.9</span>×5.5×x
hence
x=858/(3.9×5.5)
x=358/21.45
x=16.69

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JulijaS [17]

The answer would be : b

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3 years ago

15=3(2x+4)-3 prove x=1

kherson [118]

Answer:

X=1

Step-by-step explanation: