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Dmitrij [34]
2 years ago
5

3(q−7)=27 what is q mean in this equation

Mathematics
2 answers:
zheka24 [161]2 years ago
4 0
Q is the variable. And q = 16.  

3(q-7) =27
3q-21=27
3q-21=27
     +21 +21
3q/3=48/3
q=16 ( answer) 

ArbitrLikvidat [17]2 years ago
3 0
Probably Just The Variable
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Answer:

Step-by-step explanation:

We would use the t- distribution.

From the information given,

Mean, μ = 2950

Standard deviation, σ = 115

number of sample, n = 25

Degree of freedom, (df) = 25 - 1 = 24

Alpha level,α = (1 - confidence level)/2

α = (1 - 0.98)/2 = 0.01

We will look at the t distribution table for values corresponding to (df) = 24 and α = 0.01

The corresponding z score is 2.492

We will apply the formula

Confidence interval

= mean ± z ×standard deviation/√n

It becomes

2950 ± 2.492 × 115/√25

= 2950 ± 2.492 × 23

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The lower end of the confidence interval is 2950 - 57.316 =2892.68

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The solution is correct.

8 0
3 years ago
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Eduardwww [97]
I think c would be the correct answer
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2 years ago
Let measure angle A equal 40. If angle B complement of angle A, and angle C is a supplemlement of angle B find these measures
uranmaximum [27]
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Last Monday local mail carriers delivered 1,344 pieces of mail. Of all the deliveries they made, 1 / 6 were magazines, 1 / 12 we
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Step-by-step explanation:

From the question, last Monday, a local mail carriers delivered 1,344 pieces of mail and of all the deliveries they made, 1 / 6 were magazines, 1 / 12 were packages, and the rest were letters. The fraction of letters will be:

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We will now multiply 3/4 by 1344 to get the number of letters delivered.

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vlada-n [284]

Answer:

you can do (500)(4) x 2

Step-by-step explanation:

500 x 4 = 2000

2000(2) = 4000

7 0
3 years ago
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