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joja [24]
3 years ago
7

Need help on how to do. explain also please

Mathematics
1 answer:
Anuta_ua [19.1K]3 years ago
6 0

to the power of..

Step-by-step explanation:

2x X 2x X 2x= 8x

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Domain, range, symmetry and asymptotes of f(x)=sec2x
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If every 2 sec = x that well mean that symmetry and asympotes well go together . 
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3 years ago
Dan bought a home theater system for $178.99 on the installment plan. The term of the contact said that he would pay $35 a month
bija089 [108]
Given that Dan bought a home theater system for $178.99 on the installment plan, and the terms of the contract is such that he will pay $35 in 6 months.
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=35*6
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b] Dan's Finance charge will be given by:
(total amount he paid)-(price of home theater)
=210-178.99
=$31.01
7 0
3 years ago
The owner of a rental company rents bicycles and tricycles and keeps inventory by counting seats and wheels. One day, he counts
My name is Ann [436]

Answer:

2b + 3t = 60

Step-by-step explanation:

2b is the number of wheels on a bicycle

3t is the number of wheels on a tricycle

and 60 is the total number of wheels

5 0
3 years ago
In cell B8 created a formula without using a function that multiplies the value in cell B7 by the value in cell B6 and then adds
nata0808 [166]
4. In cell-B8, create a formula without using a function that multiplies the value.in.cell.B7. by the value-in-cell-B6-andthen adds-the-value in B7..Update.the-cell-reference to cell: B6, from a relative reference to a mixed-reference by making an absolute-reference to row.6..Copy-the-formula-from-cell-B8-to-the-range-B9:B11-and-then-copy-the-formulas. from the range-B8:B11-to-the-range-C8:H11.1 13. SALO extend the list of years to the range A15:A17.1 In-cell-B13, create-a formula without a function using absolute references that subtracts the values of cells.B5 and B7.from.cell-B6 and then multiplies the result.by.cell-B8. Copy the formula-from-cell-B13 to the range C13:H13.1 In-cell-B14, create-a formula without using a function that adds.1.to the value-in-cell B12 and then multiplies the result by the value-in-cell-B13Update-the-referenceto-cell B12, from a relative-reference to a mixed-reference by making an absolute reference to row.12. Copy the formula-from-cell-B14-to-the-range-B15:B17 and then copy the formulas.from-the-range-B14:B17 to the range-C14H17.1
4 0
3 years ago
A manager records the repair cost for 4 randomly selected stereos. A sample mean of $82.64 and standard deviation of $14.32 are
zysi [14]

Answer:

CI = (70.861 , 94.418)

Step-by-step explanation:

In order to determine the 90% confidence interval you use the following formula (for a population approximately normal):

CI=(\overline{x}-Z_{\alpha/2}\frac{\sigma}{\sqrt{n}},\overline{x}+Z_{\alpha/2}\frac{\sigma}{\sqrt{n}})    (1)

\overline{x}: mean = 82.64

σ: standard deviation = 14.32

n: sample = 4

α: tail area = 1 - 0.9 = 0.1

Z_α/2 = Z_0.05: Z factor =  1.645

You replace these values and you obtain:

Z_{0.05}(\frac{14.32}{\sqrt{4}})=(1.645)(\frac{14.32}{\sqrt{4}})=11.778

The confidence interval will be:

CI=(82.64-11.778,82.64+11.778)=(70.861,94.418)

The 90% confidence interval is (70.861 , 94.418)

6 0
3 years ago
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