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Crazy boy [7]
3 years ago
10

Need help math asap ...................

Mathematics
2 answers:
Masteriza [31]3 years ago
5 0
C. 9 is your answer. mark me as brainliest please
Ivan3 years ago
4 0

Answer:

I believe the answer is 9.

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Which of the answer choices could be the one missing data item for the following set, if the mode is 12?
crimeas [40]

Answer:

D

Step-by-step explanation:

first of all, what is mode: it is the highest occuring number in a set of numbers.

now since 12 is supposed to be the mean and it occurs twice but 9 also occurs twice so for 12 to be the mode, we must add one more 12.

therefore the answer is 12

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3 years ago
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What is x+5x+2-4x=+2
34kurt

Answer:

the solution is this:

x= -2

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Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s). The vertex of a
dolphi86 [110]
Vertex form:
y-k=a(x-h)^2
h=-2,k=-20,y=-12 when x=0
thus;
-12+20=a(0+2)^2
8=4a
a=2
Equation:
y+20=2(x+2)^2
y+20=2(x^2+4x+4)
f(x)=2(x^2+4x+4)-20
f(x)=2x^2+8x+8-20
f(x)=2x^2+8x-20
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