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a_sh-v [17]
3 years ago
10

Find the volume of a sphere whose radius is 13 feet. Round your answer to two decimal places. (use = 3.14)

Mathematics
1 answer:
Helen [10]3 years ago
4 0

Answer:

9,202.77

Step-by-step explanation:

This is off of g/o/o/g//l/e/// btw hope this helped

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2/6+5/6 as a whole number
Dvinal [7]

Answer:  2/6+5/6 + 1.167

4 0
2 years ago
Read 2 more answers
A tortoise moves at a speed of 34 inches in 11 seconds. What is its average speed in feet per hour?
Elan Coil [88]

Answer:

927.3 feet per hour

Step-by-step explanation:

first determine how many seconds are in one hour

there are 60 seconds in one minute and 60 minutes in one hour

so there are 60x60, or 3600 seconds in one hour

now you can create a proportion of inches/seconds = inches/seconds

let 'x' = inches per hour

34/11 = x/3600

cross-multiply to get:

11x = 3600x34

11x = 122,400

x = 122,400/11

x = 11,127.3 inches per hour

to determine how many feet per hour you must divide 11,127.3 inches by 12

this equals 927.3 feet per hour

3 0
2 years ago
Suppose the same quantity is measured but with a more precise method giving an average and standard deviation of 15.0 ± 2.5. how
abruzzese [7]

To solve this, we use the z test.

The formula:

z = (x – u) / s

where x is sample value = 20, u is the mean = 15, and s is the standard deviation = 2.5

z = (20 – 15) / 2.5

z = 2

Since we are looking for values greater than 20, this is right tailed test. We use the standard distribution tables to find for P.

P = 0.0228

 

Therefore:

number of students = 100 * 0.0228 = 2.28

 

<span>2 to 3 students will get greater than 20 measurement</span>

7 0
3 years ago
If c(x)=5/x-2 and d(x)=x+3, what is the domain of (cd)(x)
Morgarella [4.7K]
I hope this helps you

6 0
3 years ago
-----------
steposvetlana [31]

Answer:

Its 6/3

Step-by-step explanation:

8 0
3 years ago
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