please mark me as brainlist
Answer:
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Step-by-step explanation:
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Order everything, negative to the left side and positive to the right side
<u><em>Negative numbers:</em></u>
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<u><em>Positive numbers:</em></u>
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<em><u>Now order it on a number line:</u></em>
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Let's solve this system of equations through substitution.
We have these two equations.
-7x-2y=14
6x+6y=18
Now let divide the second equation by 6.
6x+6y=18 ----> x+y=3
Next, let us move y to the right side of the equation.
x+y=3 -------> x=3-y (x equals 3-y)
Because we found out that what x is in terms of y, we can input that in for every instance of x in this equation below.
-7x-2y=14 becomes -7(3-y)-2y=14 (Why? Because x equals 3-y!)
We have a one variable equation now and can solve for y.
-7(3-y)-2y=14
-21+7y-2y=14
5y=35
y=7
Plug in 7 for y in any equation to find x.
x+y=3
x+7=3
x=-4
answer: x=-4, y=7
I don’t see a picture or anything? Can you explain more I don’t know the sides
Answer:
15,700
Step-by-step explanation:
The formula is 3.14(r^2)h
Hope this helped :)
