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Agata [3.3K]
4 years ago
14

(2)^a = -864 what is A?

Mathematics
1 answer:
Ksju [112]4 years ago
5 0
A has no solution so the answer is no solution.
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Which of the following would best represent a cosine function with an amplitude of 3, a period of pi/2 , and a midline at y = –4
Grace [21]
To transform the function f(x)= cos(x) to have the amplitude of 3, we need to multiply the constant 3 to the function f(x), so we have y=3f(x)

To transform the function f(x)=cos(x) to have the midline y=-4 we need to subtract f(x) by 4, so we have y=f(x)-4, 

To transform the function f(x)=cos(x) to have period of \frac{ \pi }{2}, we need to divide the original period 2 \pi by 4, so we have y=f(4x). Note that it is the 4x gives the effect of dividing the points on x-axes by 4 and the period is read on x-axes

Hence, the full transformation is given y=3f(4x)-4 which is the last option
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3 years ago
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How do change 30/8 in to a mixed number
sashaice [31]
Make the numerator be the sum of a multiple of the denominator and a remainder...

30/8 is equal to:

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3 3/4
5 0
4 years ago
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Sammy Sales had the following receipts for his tree trimming business for the first six months of the year. What is the average
fredd [130]

average =  \frac{sum \:  \: of \:  \:all \:  \:  obeservations}{no. \:  \: of \: observaions}

=  \frac{1205 + 1450 + 1530 + 1655 + 1610 + 1710}{6}

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___________________________________________

1526.66 is the average of his sales for this period.

6 0
3 years ago
Moira solved a problem on the board. What error did Moira make and how can she correct it?
iren [92.7K]

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you need to tell us what error she made first then you would find another way to solve the problem and look at all the posiibiltys

Step-by-step explanation:

4 0
3 years ago
Which of the following shows the correct solution steps and solution to 7x-4= -18?
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7x - 4 = -18
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4 years ago
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