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Brut [27]
3 years ago
11

Can anyone help me please?

Mathematics
2 answers:
Luda [366]3 years ago
5 0

Answer:

<h2>12 in²</h2>

Step-by-step explanation:

<h3>to understand the solving steps</h3><h3>you need to know about:</h3>
  • circle
  • area \: of \: a \: circle \:  = \pi r ^{2}
  • pemdas
  • redious \: of \: a \: circle \:  =  \frac{d}{2}
<h3>given:</h3>

diameter:4in

π≈3

<h3>to solve:</h3>

redious

area of the circle

<h3>let's solve:</h3>

to figure out the area

we need to figure out the redious first

so the redious is 4/2 =2in

and the area of the circle is

πr²

3×2² in²

3×4 in²

12 in²

kow [346]3 years ago
3 0
12inches because 3 is pi and 2 is Radius so 3x2squared=12
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Given a mean of 150 and a standard deviation of 25 Define the interval about the mean that contains 95% of the data.
ohaa [14]
By normal curve symmetry 

<span>from normal table </span>
<span>we have z = 1.15 , z = -1.15 </span>

<span>z = (x - mean) / sigma </span>
<span>1.15 = (x - 150) / 25 </span>
<span>x = 178.75 </span>


<span>z = (x - mean) / sigma </span>
<span>-1.15 = (x - 150) / 25 </span>
<span>x = 121.25 </span>

<span>interval is (121.25 , 178.75) </span>

<span>Pr((121.25-150)/25 < x < (178.75-150)/25) </span>
<span>is about 75%</span>
7 0
2 years ago
I will mark brainliest
Vilka [71]

Answer:

2nd option

Step-by-step explanation:

The zeros are the points on the x- axis where the graph crosses.

Since the graph crosses the x- axis at x = - 1 and x = 5, then

The zeros are x = - 1 and x = 5

5 0
3 years ago
Is 9.37 greater or less than 5.999?
elixir [45]

Answer:

Greater

Step-by-step explanation:

The answer is greater because 9 is greater than 5. When working with decimals, always look at the whole number first!

8 0
3 years ago
Boston , Massachusetts, and buffalo, New York, are hit by snowstorms that last 3 days . Boston accumulates snow at a rate of 1.5
stich3 [128]

Question is ;

Complete question is;

Boston , Massachusetts, and buffalo, New York, are hit by snowstorms that last 3 days . Boston accumulates snow at a rate of 1.5 feet every 36 hours. Buffalo accumulates snow at a rate of 0.01 inches every minute.

Which city accumulates more snow in 3 days? How much more snow?

Answer:

- Boston accumulates more snow in 3 days.

- It accumulates 0.6 ft of snow more than Boston

Step-by-step explanation:

Boston accumulates 1.5 feet of snow every 36 hours.

Number of hours in 3 days = 24 × 3 = 72 hours.

Thus, In 72 hours, Boston would have accumulated; (1.5 × 72)/36 = 3 feet of snow.

Now, Buffalo accumulates 0.01 inches of snow every minute.

In 3 days, number of minutes we have = 60 × 24 × 3 = 4320 minutes

Thus, total snow accumulated in 3 days = 0.01 × 4320/1 = 43.2 inches

Now, let's convert this to ft;

12 inches = 1ft

Thus; 43.2 inches = 43.2 × 1/12 = 3.6ft

Thus, Buffalo accumulates more snow in 3 days.

It accumulates 0.6 ft of snow more than Boston

3 0
2 years ago
Need help!!! Please
Nady [450]

Answer:

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Step-by-step explanation:

6 0
2 years ago
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