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QveST [7]
2 years ago
12

The radius of the cone is 7 in and y = 25 in. What is the volume of the cone in terms of π? A cone with a right triangle formed

from its dimensions; the value of the height is h, and the value of the slant height is y; the height x and the radius form a right angle at the center of the cone.
Mathematics
2 answers:
Zanzabum2 years ago
7 0

Answer:

its A. 392

Step-by-step explanation:

took the test. hope this helps

Lady bird [3.3K]2 years ago
5 0

Answer:

142.1π in³

Step-by-step explanation:

Given that:

The radius (r) =  7 in

The slant height (y) = 25 in

Then the height (x) can be determined by using the Pythagoras rule:

y² = x² + r²

25² = x² + 7²

125 = x² + 49

125 - 49 = x²

x² = 76

x = √76

x = 8.7

The formula for the volume of a cone is;

= 1/3 πr²h

where;

height(h) is calculated as "x" from above = 8.7

Then;

= 1/3 × π × (7 in)² × 8.7 in

= 142.1π in³

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Write an exponential function in the form y=ab^x that goes through points (0,7) and (5,1701).
Marizza181 [45]

Answer:

y = 7 3^{x}

Step-by-step explanation:

Use the given ordered pairs to find a and b

Using (0, 7 ), then

7 = a b^{0} ( b^{0} = 1 ), thus

a = 7

y = 7 b^{x}

Using (5, 1701 )

1701 = 7 b^{5} ( divide both sides by 7 )

243 = b^{5} ( take the fifth root of both sides )

b = \sqrt[5]{243} = 3 , thus

y = 7 3^{x}

3 0
3 years ago
What is the least possible value of 8x-13 when 9 is less than or equal to 3/4 + x?
Kruka [31]

The least possible value of 8x - 13 when 9 is less than or equal to 3/4 + x is;

53.

According to the question;

  • 9<=3/4 + x.

Therefore,

  • 9 -3/4 <= x

  • 8 1/4 <= x

Therefore, x >= 33/4.

The least possible value of x is therefore, 33/4

The expression 8x -3 becomes;

  • 8(33/4) -13

  • =66 - 13

  • = 53.

Therefore, the least possible value of 8x - 13 is;

53.

Read more;

brainly.com/question/18370359

6 0
2 years ago
The price of chicken pieces at supermarket is shown as R36.40/kg mandy goes to the supermarket to buy the chicken is sold in 1 k
Degger [83]

Answer:

R72. 80

Step-by-step explanation:

1KG = R36, 40

2KG = R36.40 X 2

= R72. 80

8 0
1 year ago
WILL MARK BRAINIEST, IF U ANSWER **ALL** of these questions! xx
eduard

Answer:

80.029

Step-by-step explanation:

(8)(10)+2+1/100+9(1/1000)

=80+2+1/100+9(1/1000)

=80+201/100+9(1/1000)

=8201/100+9(1/1000)

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Simplify the equation
gtnhenbr [62]

Answer:

option c is the correct.

Step-by-step explanation:

\frac{2x^4*6x^2}{3x^2}

by using the laws of exponent

a^m×a^n=a^m+n

12x^4+2/3x²

\frac{12x^4}{3x^3}

4x^4-3

4x³

6 0
3 years ago
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