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k0ka [10]
2 years ago
12

The volume of a right circular cone varies jointly as the altitude and the square of the radius of the base. If the volume of th

e cone is 154 cu. in. when its altitude is 12 in. and the radius of the base is 3 1/2 in., find the altitude when the volume of the cone is 77 cu. in. and the radius of the base is in.
Mathematics
1 answer:
Basile [38]2 years ago
8 0
The Radius of the base is 63 inches
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The sum of the two decimals is 1 the product of these decimals is 0.25 the quotient of these two decimals is 1 what are the two
ExtremeBDS [4]
Since the quotient of the two decimal numbers is 1, that tells use that they are the same number.
Since the sum of the two numbers equals 1 and both numbers are the same, then the answer must be 1 divided by 2. or .5
the fractions would be 1/2 and 1/2

5 0
2 years ago
What is 3 1/3 *2/3?​
Molodets [167]

Answer:2 2/9

Step-by-step explanation:

3 1/3= 10/3, 10/3 x 2/3= 20/9= 2 2/9

6 0
2 years ago
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Which is greater: 25% of 15 or 15% of 25? Explain your reasoning using mathematical evidence or visual models.
d1i1m1o1n [39]

15% of 25 is the greatest of the two.

Answer:

25% of 15 is 3.75

15% of 25 is also 3.75

15 - 3.75 = 11.25

25 - 3.75 =21.25

Compare and then determine.

11.25 < 21.25

8 0
2 years ago
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Someone please help me!<br><br> GIVING BRAINLIST TO FIRST RIGHT ANSWER
grin007 [14]

Answer:

A. The mean is increased by 3

Step-by-step explanation:

2 + 9 + 11 + 10 + 3 + 5 + 4 + 12 = 56/8 = 7

2 + 9 + 11 + 10 + 3 + 5 + 4 + 12 + 34 = 90/9 = 10

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5 0
2 years ago
If f(x) = 2x² + 5 and g(x) = x² - 2, find
IgorLugansk [536]

Answer:

C. x² + 7

Step-by-step explanation:

If f(x) = 2x² + 5 and g(x) = x² - 2, then

(f - g)(x) = f(x) - g(x)

            = (2x² + 5) - (x² - 2)

            = 2x² + 5 - x² + 2

            = 2x² - x² + 5  + 2

            = x² + 7

           

4 0
2 years ago
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