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JulsSmile [24]
3 years ago
14

You dont have to do all 10 but if you do I will give briniest and 5 stars

Mathematics
1 answer:
nalin [4]3 years ago
4 0
1. -2
2. 5
3.-15
4.-5
5. 5
6.-9
7. 2
8. -9
9.9
10.-3

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Pleaseeee! <br>I need help evaluating this:<br><br><br>Tan 2 theta-(1-tan^ 2 )=?​
andreev551 [17]

Answer:

\tan \left(2\theta\right)-1+\tan ^2\left(\theta\right)

Key:

• -\left(a-b\right)=-a+b

Step-by-step explanation:

\tan \left(2\theta\right)-\left(1-\tan ^2\left(\theta\right)\right)

-\left(1-\tan ^2\left(\theta\right)\right)=-1+\tan ^2\left(\theta\right)

=\tan \left(2\theta\right)-1+\tan ^2\left(\theta\right)

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2 years ago
How many minutes will it take 5 people to stack 250 chairs if each person can stack 20 chairs a minute?
mafiozo [28]
- Each person stacks 20 in one minute.

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7 0
4 years ago
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A researcher decides to take a random sample of the population and determine the ALT levels of the population, which fall on a c
Nady [450]

Answer:

False

Step-by-step explanation:

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DeShawn is 37 years old. How old is he in hours?
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324120 this is how many hours old he is
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What is the quotient of StartFraction 7 Superscript negative 1 Baseline Over 7 Superscript negative 2 Baseline EndFraction? Star
earnstyle [38]

The quotient of two expressions is the division of the expressions

The quotient of \frac{7^{-1}}{7^{-2}} is 7

<h3>How to determine the quotient</h3>

The expression is given as:

\frac{7^{-1}}{7^{-2}}

Rewrite the above expression by applying the law of indices

7^{-1 + 2

Simplify the exponent

7^{1

Evaluate the exponent 7 raise to the power of 1

7

Hence, the quotient of \frac{7^{-1}}{7^{-2}} is 7

Read more about quotient at

brainly.com/question/7068223

6 0
2 years ago
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