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kondaur [170]
3 years ago
7

This is my spring break hw but I don’t understand this question

Mathematics
1 answer:
vladimir1956 [14]3 years ago
5 0
5 + 20 = 25 and that’s the answer
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Rename the number 82000
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<span>a few ways to rename 82 thousands is 82,000 or eighty-two thousands.</span>
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3 years ago
Read 2 more answers
I’m just not getting it! I need step by step.
Alexus [3.1K]

Answer:

7x + 10 + x + 20 + 2x \\ 7x + x + 2x + 10 + 20 \\ 10 x + 30 \\ x =  \frac{30 }{10}  \\ x = 3 \\ (7x + 10) = 7 \times 3 + 10 = 31 \\ (x + 20) = 3 + 20 = 23 \\ (2 \times 3) = 6

Step-by-step explanation:

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3 years ago
A 5-foot peice of ribbon cost 13.20 dollars. WHAT is the price per inch
Katen [24]

Answer:

$0.22 per inch

Step-by-step explanation:

$13.20/5 feet =

$2.64 / 1 foot

Remember 1 foot = 12 inches

$2.64 / 12 inches =

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5 0
3 years ago
Advertisements for the Sylph Physical Fitness Center claim that completion of their course will result in a loss of weight (meas
MrMuchimi

Answer:

90% confidence interval for the mean weight loss for the population represented by this sample assuming that the differences are coming from a normally distributed population is [1.989 ,13.5105]

Step-by-step explanation:

The data given is

                        Mean                 Std Dev

Before            177.25                29.325

After              169.50                    22.431

Difference        7.75                    8.598

Hence d`=   7.75 and sd=   8.598

The 90% confidence interval for the difference in means for the paired observation is given by

d` ± t∝/2(n-1) *sd/√n

Here  t∝/2(n-1)=1.895  where n-1= 8-1= 7 d.f

and  ∝/2= 0.1/2=0.05

Putting the values

d` ± t∝/2(n-1) *sd/√n

7.75  ±1.895 *  8.598 /√8

 7.75  ± 5.7605

1.989 ,13.5105

90% confidence interval for the mean weight loss for the population represented by this sample assuming that the differences are coming from a normally distributed population is [1.989 ,13.5105]

3 0
3 years ago
Asap due today<br> oooooooooooooooooo
lions [1.4K]

Answer:

3x - 2 = 10

Step-by-step explanation:

3 0
3 years ago
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