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Leya [2.2K]
3 years ago
13

Which number added to 38 will result in a sum of 0?

Mathematics
2 answers:
Aloiza [94]3 years ago
8 0

Answer:

-38

Step-by-step explanation:

38 - 38 = 0

vovangra [49]3 years ago
5 0

Answer:

-38

Step-by-step explanation:

38 + -38

when adding a negative to the positive, you eliminate the plus sign.

38-38

you get 0

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7/5 your welcome.! (PLEASE MARK BRAINLIEST).!!!!
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3 0
3 years ago
Read 2 more answers
..vertex: (4, -1)<br> f(3) = -6
s344n2d4d5 [400]

Answer:

\huge\boxed{f(x)=-5(x-4)^2-1=-5x^2+40x-81}

Step-by-step explanation:

The vertex form of an equation of a parabola:

f(x)=a(x-h)^2+k

(h;\ k) - vertex

We have

vertex (4;\ -1)\to h=4;\ k=-1

f(3)=-6

Therefore we have:

f(x)=a(x-4)^2+(-1)=a(x-4)^2-1

Substitute x=3 and f(3)=-6

a(3-4)^2-1=-6\qquad|\text{add 1 to both sides}\\\\a(-1)^2=-6+1\\\\a(1)=-5\\\\a=-5

Finally:

f(x)=-5(x-4)^2-1=-5(x^2-2(x)(4)+4^2)-1\\\\=-5(x^2-8x+16)-1=-5x^2+(-5)(-8x)+(-5)(16)-1\\\\=-5x^2+40x-80-1=-5x^2+40x-81

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4 years ago
A bag with 6 marbles is shown below. (3 marbles are red, 1 is yellow, and 2 are blue.) A marble is chosen from the bag at random
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Step-by-step explanation:

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Measures of angles 2, 3, 4, added equal 180

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