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Tatiana [17]
3 years ago
11

Question is attached answer asap. Will give brainliest

Mathematics
1 answer:
schepotkina [342]3 years ago
6 0
1.) (-2,3)
2.) a=175/43 b= -70/43
3.)(7,3)

I believe i am right 
I haven't one this in a long time
If i am can i get Brainliest
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Leona [35]

Answer:

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Step-by-step explanation:

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3 years ago
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Find the vertex of this function <br> f(x)= x^2+4x-12
sergij07 [2.7K]
F(x) = x² + 4x - 12

x = -b/2a
x = -(4)/2(1)
x = -4/2
x = 2

f(x) = x² + 4x - 12
f(2) = (2)² + 4(2) - 12
f(2) = 4 + 8 - 12
f(2) = 12 - 12
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3 years ago
A rectangular piece of metal is 30 in longer than it is wide. Squares with sides 6 in long are cut from the four corners and the
Alexandra [31]

Answer:

length=53 in

width= 23 in

Step-by-step explanation:

First, we know that each corner has now a square of 6 in long, so the heigth of the box will be of this size (as you can see in the picture attached). Then, the length and the width of the box would be the same as the piece, but with 12 in less. Therefore the equations to solve the problem are:

h=6 in\\w=x-12\\l=x+30-12\\l=x+18\\\\V: volume of the box\\V=6*(x-12)*(x+18)\\2706=6x^{2}+36x-1296\\0=6x^{2}+36x-4002\\\\

We factorize the 6 and we get:

0=x^{2}+6x-667\\

Finally we solve for x, and we get the initial dimensions of the piece of metal:

x=23l=30+x=30+23=53 in\\w=x= 23 in

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3 years ago
HELP ASAP ILL GIVE A BRAINLISET
galina1969 [7]

Answer:

am an arts student my friend

Step-by-step explanation:

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2 years ago
Estimate first..then give the exact sum 72.13 + 33.14=?​
Varvara68 [4.7K]

Answer:

Estimation

72+33

= 105

Exact sum

72.13+33.14

=  105.27

Can i please get brainliest answer?

7 0
3 years ago
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