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Oksana_A [137]
4 years ago
7

Can you please solve and explain how

Mathematics
1 answer:
PtichkaEL [24]4 years ago
7 0

If we take 24 h, and think that 150 bolts are produced during 1 hour,

then during 24 hours we will get 150*24 = 3600 bolts.

So, y = 150x represent the number of bolts the machine can produce in x hours.

150 bolts/h, and y =150bolts/h *24 h = 3600 bolts

Answer is B.

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A circle has a radius of 11.4 cm
mojhsa [17]

Answer:

7.6pie

Step-by-step explanation:

120°/360°=X/11.4×2 pie

1/3×22.8 pie =X

X= 7.6 pie

3 0
2 years ago
The area of a rectangular sheet of metal is 135 square inches. The perimeter is 48 inches. What are the dimensions of the sheet?
mezya [45]

Answer:  The length is 15 inches and breadth is 9 inches

Step-by-step explanation:

Given : Area of rectangular sheet = 135 square inches

Perimeter of rectangular sheet = 48 square inches

Now Area of rectangular sheet = Length\times Breadth =  135 square inches

perimeter of rectangular sheet = 2\times (Length+Breadth) = 48 square inches

Thus (Length+Breadth) = 24 square inches

Thus Length = 15 inches

Breadth = 9 inches

3 0
3 years ago
The scores on a final exam were approximately normally distributed with a mean of 82 and a standard deviation of 11. If 85 stude
Savatey [412]

In this case, we can use the z statistic to find for the proportion of students who failed the exam. The formula for z score is given as:

t = (x – u) / s

where,

x = the sample score = 60

u = sample score mean = 82

s = standard deviation = 11

Substituting all given values into the equation:

t = (60 – 82) / 11

t = - 2

 

Based from the standard proportion distribution tables for z, this corresponds to:

P = 0.0228

This means that 2.28% of the students failed the exam or equivalent to:

failed students = (0.0228) * 85 = 1.938

<span>approximately 2 students failed the exam</span>

6 0
3 years ago
Read 2 more answers
You are giving the following amounts: $190,258.50; $152,698.00; $122,753.00; $220,523.00; $231,951.00. What is the average of th
Pie
This is a really simple problem once you understand how to solve it, and that's what I'm going to show you! :)

When calculating the mean (average) of multiple numbers, your first step is to add the numbers together.
190,258.50 + 152,698.00 + 122,753.00 + 220,523.00 + <span>231,951.00 = 918,183.50

Then you take the sum of your numbers, and divide the sum by the amount of numbers added, which in your case, is 5.

918,183.50/5 = 183,636.70

The average of these numbers is $183,636.70

Feel free to message me or comment with any questions you have about this.
</span>
5 0
3 years ago
Does it take more or less than 100 students to clean all 100 miles of sidewalk? Explain how you know
erastova [34]
Just put it depends if they’re in a rush anything is possible
6 0
4 years ago
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