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Sati [7]
3 years ago
6

What is the volume of a sphere with a radius of 7?​

Mathematics
1 answer:
Tresset [83]3 years ago
3 0

Answer:

457\frac{1}{3} \pi

Step-by-step explanation:

The volume of a sphere is (4/3)πr^3, where r is he radius.

Given r=7,

(4/3)π7^3=(4/3)π*343=(457 1/3)π

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Arrange the following in ascending order 15, 5, - 10, - 18, - 35​
grigory [225]
It’s literally it except it’s the other way around so it’s: -35, -18, -10, 5, 15
3 0
3 years ago
Read 2 more answers
Solve for 2. Write the smaller solution first, and the larger solution s
ZanzabumX [31]

Answer:

4(x^2 +10 +21)

4(x+3)(x+7) = 0

Smaller

4(x+7) = 0

4x +28 = 0

4x = -28

x = -28/4

x = -7

Larger

4(x+3) = 0

4x + 12 = 0

4x =-12

x = -12 / 4

x = -3

Step-by-step explanation:

4 0
3 years ago
Billy wants to buy these tickets for a show: 4 adult tickets at £15 each and 2 child tickets at £10 each. A 10% booking fee is a
IrinaVladis [17]

Answer:

The total charge for these tickets when paying by credit card is £ 90.64.

Step-by-step explanation:

Since Billy wants to buy 4 adult tickets at £ 15 each and 2 child tickets at £ 10 each for a show, and a 10% booking fee is added to the ticket price, and 3% is then added for paying by credit card, for work out the total charge for these tickets when paying by credit card the following calculation must be performed:

((4 x 15 + 2 x 10) x 1.10) x 1.03 = X

((60 + 20) x 1.10) x 1.03 = X

(80 x 1.10) x 1.03 = X

88 x 1.03 = X

90.64 = X

Thus, the total charge for these tickets when paying by credit card is £ 90.64.

3 0
3 years ago
How many students spent at least six hours of homework per week
Amanda [17]

Answer:

about 20% of our population

Step-by-step explanation:

6 0
3 years ago
A wheelchair ramp rises 1.5 feet for every 18 feet of horizontal distance it covers. Find the rate of change of the ramp
Ierofanga [76]
By definition the rate of change of a function is given by:
 AVR =  \frac{Change In Y}{Change In X}
 Or equivalently:
 AVR = \frac{y2 - y1}{x2 - x1}
 Substituting the values given in the problem we have:
 AVR = \frac{1.5}{18}
 Rewriting we have:
 AVR = 0.08
 Answer:
 
the rate of change of the ramp is:
 
AVR = 0.08
7 0
3 years ago
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