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koban [17]
3 years ago
8

I need help with all these questions

Mathematics
1 answer:
Klio2033 [76]3 years ago
4 0
6. 13
7. 262
8. ? For the first part but the sum is $118
9. ?
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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
f(2) = 0

The vertex of the function is (2,0).
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brainliest for correct answer A triangle has interior angle measures 28 and 32, please find the 3rd interior angle and two exter
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120

Step-by-step explanation:

All the angles should add up to equal 180 so,

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Expand &amp; simplify 4(t+2)+6(t-4)
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