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Katena32 [7]
3 years ago
6

- 2a = - 20 What is the most simplest answer?

Mathematics
2 answers:
Tpy6a [65]3 years ago
7 0

Answer:

a=10

Step-by-step explanation:

-2a=-20

Divide -2 on each side. You should get a=10

Evgesh-ka [11]3 years ago
6 0

- 2a = - 20 | x (-)

2a = 20

a = 20 : 2

a = 10

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hammer [34]

Answer:

100

Step-by-step explanation:

Solve for m

2m= 40

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m= 20

5(20)= 100

8 0
3 years ago
how many such tests would it take for the probability of committing at least one type i error to be at least 0.7? (round your an
drek231 [11]

The number of tests that it would take for the probability of committing at least one type I error to be at least 0.7 is 118   .

In the question ,

it is given that ,

the probability of committing at least , type I error is = 0.7

we  have to find the number of tests ,

let the number of test be n ,

the above mentioned situation can be written as

1 - P(no type I error is committed) ≥ P(at least type I error is committed)

which is written as ,

1 - (1 - 0.01)ⁿ ≥ 0.7

-(0.99)ⁿ ≥ 0.7 - 1

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On further simplification ,

we get ,

n ≈ 118 .

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4 0
1 year ago
What is the value of x in the equation 13 x minus 2 (8 + 5 x) = 12 minus 11 x?
zavuch27 [327]

Answer:

x = 2

Step-by-step explanation:

<u>Step 1:  Convert words into an expression</u>

What is the value of x in the equation 13 x minus 2 (8 + 5 x) = 12 minus 11 x?

13x - 2(8 + 5x) = 12 - 11x

<u>Step 2:  Distribute</u>

13x - 2(8 + 5x) = 12 - 11x

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<u>Step 3:  Solve for x</u>

13x - 16 - 10x + 11x + 16 = 12 - 11x + 11x + 16

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5 0
3 years ago
Read 2 more answers
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alexira [117]

Step-by-step explanation:

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= (1*22*6*6*10)/3*7

(1*22*2*6*10)/7

3960/7

565.714

570ft

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3 0
2 years ago
Last month, a factory produced 800 television sets. This month, the same factory produced 1,064 television sets. The increase in
Harlamova29_29 [7]
Your answer is 264
1,064 - 800= 264 
5 0
3 years ago
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