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iren2701 [21]
3 years ago
15

Terri is rewriting 7 to the 13th power in expanded form. How many factors should she use in her expression?

Mathematics
2 answers:
Pachacha [2.7K]3 years ago
7 0
13


Because the exponent is really just how many factors you have.
For example 2 to the power 5 would have 5 factors in expanded form.
Greeley [361]3 years ago
5 0

Answer:

13

Step-by-step explanation:

Factors is a mathematical or statistical term that describes the numbers you multiply to get another number.

Hence, given that Terri should rewrite 7 to the 13th in expanded form,

Then, she should use 13 factors.

All 13 factors are the same thing . . . 7 .

7^13 should be written as 7¹³ .

Therefore: it works like this: 7*7*7*7*7*7*7*7*7*7*7*7*7

Hence, final answer is 13

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If y= -cos x, what x-value corresponds to a y-value of 1 between 0 and 2 pi
sveta [45]

The x-value corresponds to a y-value of 1 is π

Step-by-step explanation:

The given is:

  • y = - cos x
  • y = 1
  • 0 < x < 2π

We need to find x when y is 1

∵ y = - cos x

∵ y = 1

∴ 1 = - cos x

- Multiply both sides by -1

∴ -1 = cos x

- Switch the two sides

∴ cos x = -1

- Use the inverse of cos to find x

∴ x = cos^{-1}(-1)

∵ cos(π) = -1

∴ x = π

The x-value corresponds to a y-value of 1 is π

Look to the attached graph for more understand

<em>The graph of y = 1 intersects the graph of y = - cos x at x = π from 0 to 2π</em>

Learn more:

You can learn more about the trigonometry equations in brainly.com/question/1599828

#LearnwithBrainly

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