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trapecia [35]
2 years ago
14

a worker uses 45 inches of steel to make 300 nuts of the same size how many inches of steel wire will be needed to make one such

nut?
Mathematics
1 answer:
Verizon [17]2 years ago
6 0

Answer:

about 6.66666 inches

Step-by-step explanation:

It says you're in college why do you need help with such a simple problem?

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3x+7=13 what's the answer?
Dafna11 [192]
The first step to this is to subtract 7 from both sides. The +7 and -7 cancel each other out leaving you with 3x=6 then divide by 3 on each side giving you x=2.
5 0
3 years ago
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A basketball coach kept stats for his team in free throw percentage and steals (among others). At the last game, Erin's free thr
Setler79 [48]

Answer:

Due to the higher z-score, she did better in the free throw category.

Step-by-step explanation:

Z-score:

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this question:

She did better in the category that she had the higher z-score:

Free-throws:

Her free throw percentage was 79%, which means that X = 79

The team averaged 87% from the free throw line with a standard deviation of 12, which means that \mu = 87, \sigma = 12. So

Z = \frac{X - \mu}{\sigma}

Z = \frac{79 - 87}{12}

Z = -0.67

Steals:

She had 4 steals, which means that X = 4

Averaged 7 steals with a standard deviation of 3, which means that \mu = 7, \sigma = 3. So

Z = \frac{X - \mu}{\sigma}

Z = \frac{4 - 7}{3}

Z = -1

Due to the higher z-score, she did better in the free throw category.

6 0
3 years ago
Ms. Martinez bought 36-pint sized containers of strawberry yogurt. How many gallons is that?
BabaBlast [244]

Answer:

4.5 gallons

Step-by-step explanation:

6 0
2 years ago
Which value of "a" would make the following statement true? 6(2x+a)=12x+30
Serga [27]

Answer:

A) 5

Step-by-step explanation:

6(2x+a)=12x+30

6*2x+6*a=12x+30

12x+6x=12x+30

6a=12x+30-12x

6a=30

a=30/6

a=5

8 0
3 years ago
Read 2 more answers
Suppose 8 books stacked on top of one another. Each book is 1 5/9 inches thick. How high is the stack of books?
Mekhanik [1.2K]

Answer:

Step-by-step explanation:

12.4

you have to multiply 1 5/9 times 8

8 0
3 years ago
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