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Furkat [3]
3 years ago
5

Can someone please help me

Mathematics
1 answer:
DIA [1.3K]3 years ago
8 0

Surface Area of A Cylinder.

As=2(3.14)rh+2(3.14)r^2

Radius: 6in

Height: 9 in

Plug it in:

2(3.14)(6)(9)+2(3.14)(6^2)

6.28(54)+6.28(36)

339.12+226.08= 565.2

Therefore, it will take about 565.2in^2 of wrapping paper to cover the whole present.

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The data in which table represents a linear function that has a slope of zero? I can’t figure it out
Marianna [84]

Answer:

A

Step-by-step explanation:

Think about it.

y = (0)x + b

this gives

y = b

therefore Y equals a single number regardless of the x value.

This behavior is shown in table A.

3 0
2 years ago
The points represented by the table like on a line. Find the slope of the line.
olchik [2.2K]

Answer:

undefined slope

Step-by-step explanation:

There us change in rise but no change in run or x value. This means is a vertical line and it's slope is undefined.

5 0
2 years ago
Derek reads at rate of 25 words per min. How long would it take him to read a 225 word article if he read at a constant rate wit
Reptile [31]
It would take him 9 minutes.
3 0
3 years ago
Read 2 more answers
Or a very large set of data the measured mean is found to be 288.6 with a standard deviation of 21.2. assuming the data to be no
SashulF [63]

The 68-95-99.7 rule tells us 68% of the probability is between -1 standard deviation and +1 standard deviation from the mean. So we expect 75% corresponds to slightly more than 1 standard deviation.

Usually the unit normal tables don't report the area between -σ and σ but instead a cumulative probability, the area between -∞ and σ. 75% corresponds to 37.5% in each half so a cumulative probability of 50%+37.5%=87.5%. We look that up in the normal table and get σ=1.15.

So we expect 75% of normally distributed data to fall within μ-1.15σ and μ+1.15σ

That's 288.6 - 1.15(21.2) to 288.6 + 1.15(21.2)

Answer: 264.22 to 312.98


8 0
3 years ago
What is an algebraic expression for this word phrase?
snow_lady [41]
The first choice, 5+7n.
3 0
2 years ago
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