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Alexeev081 [22]
3 years ago
15

What is the justification for #2 in the equation below. Given: 14=3(x-8)+5. Prove x=11

Mathematics
1 answer:
zaharov [31]3 years ago
3 0
X=11 if you need more help reply. to this message
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$12 meal; 4.5% tax find total cost to the nearest cent
Lemur [1.5K]

Answer:

12.54

Step-by-step explanation:

just multiply 12×0.045 and add the 12.

I hope and this helps.

Have a good day.

Good luck

8 0
3 years ago
Read 2 more answers
ILL BRAINLIEST YOU PLEASE HELP ME
Aleksandr-060686 [28]

Answer:

x = 71/5  (as an improper fraction)

x = 14 1/5 (as a proper fraction

x = 14.2 (as a decimal)

Step-by-step explanation:

It's a rectangle so the diagonals are equal

7x - 9 = 2x + 62

Subtract 2x from both sides

5x - 9 = 62

Add 9 to both sides

5x = 71

Divide both sides by 5

x = 71/5  (as an improper fraction)

x = 14 1/5 (as a proper fraction

x = 14.2 (as a decimal)

8 0
2 years ago
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A group of 40 bowlers showed that their average score was 192. Assume the population standard deviation is 8. Find the 95% confi
kodGreya [7K]

Answer:

CI=189.5,194.5

Step-by-step explanation:

From the question we are told that:

Sample size n=40

Mean \=x =192

Standard deviation\sigma=8

Significance Level \alpha=0.05

From table

Critical Value of Z=1.96

Generally the equation for momentum is mathematically given by

 CI =\=x \pm z_(a/2) \frac{\sigma}{\sqrt{n}}

 CI =192 \pm 1.96 \frac{8}{\sqrt{40}}

 CI=192 \pm 2.479

 CI=189.5,194.5

5 0
3 years ago
Annie needs $30 to buy a coat. She has saved $12 and plans to work as a babysitter to earn $6 per hour. Which inequality shows t
algol [13]
Annie's total earnings from her initial savings, $12, and from babysitting should be equal or more than 30. Annie's total earnings from babysitting may be expressed as $6n. The inequality should be,
 
                                           12 + 6n <span>≥ 30

Solving for x,
                                             6n </span><span>≥ 30 - 12
</span><span>
                                        6n </span>≥ 18    ;     n <span>≥ 3
</span><span>
Thus, the answer is the second among the choices. 

</span>
6 0
3 years ago
Read 2 more answers
What is the value of 6(2b-4) when b =5
kondor19780726 [428]
6(2(5)-4)= 6(10-4)= 6(6)=36 so your answer is 36
5 0
2 years ago
Read 2 more answers
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