A cylindrical swimming pool has a diameter of 16 feet and a height of 3 feet. How many gallons of water can the pool contain? Round your answer to the nearest whole number. (1 ft3 ≈ 7.5 gal)
Answers
The cylindrical swimming pool contain 4512 gallons of water, if a pool diameter has a diameter of 16 feet and a height of 3 feet.
Step-by-step explanation:
The given is,
Diameter of swimming pool is 16 feet
Height of swimming pool is 3 feet
Step:1
Formula for volume of cylinder is,
........................(1)
Where, r - Radius
h - Height
Formula for radius,
=
r = 8 feet
Step:2
From equation (1)
V cubic feet
Step:3
From given ( 1 cubic feet = 7.5 gallons )
V ≅ 4524 gallons
Result:
The cylindrical swimming pool contain 4512 gallons of water, if a pool diameter has a diameter of 16 feet and a height of 3 feet.
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a large cheese pizza coast $7.50. each additional topping for the pizza costs $1.35. if the total bill for the pizza sally orders was $12.90, how many toppings did she order?
Answers
The answer should be 30%
Answers
30*3/5=18
Number of boys :
30*2/5=12
18-12=6
6 more girls than boys.
30×5=90.
Next, we divide 90 by 5.
90÷5=18.
Then we subtract 18 from 30.
30-18=12.
That means we have 12 boys and 18 girls.
Finally, we subtract 18 from 12.
18-12=6.
There are 6 more boys than girls.
Have a nice day! :)
Answers
2. We assume, that x is the value we are looking for.
3. If 100% equals 12, so we can write it down as 100%=12.
4. We know, that x% equals 36 of the output value, so we can write it down as x%=36.
5. Now we have two simple equations:
1) 100%=12
2) x%=36
where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:
100%/x%=12/36
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.
7. Solution for 36 is what percent of 12
100%/x%=12/36
(100/x)*x=(12/36)*x - we multiply both sides of the equation by x
100=0.333333333333*x - we divide both sides of the equation by (0.333333333333) to get x
100/0.333333333333=x
300=x
x=300
now we have:
36 is 300% of 12
B) f(x)=2(4)^x
C) f(x)=4(2)^-x
D) f(x)=2(4)-x
Answers
A) 4(2)^x
64 =4(2)^4
64 = 4(16)
64 = 64
Answer choice A is correct.
B) f(x) = 2(4)^x
64 = 2(4)^4
64 = 2(256)
64 ≠ 512
Answer choice B is incorrect.
C) f(x) = 4(2)^{-x}
64 = 4(2)^{-4}
64 = 4(-0.0625)
64 ≠ 0.25
Answer choice C is incorrect.
D) f(x) = 2(4)^{-x}
64 = 2(4)^{-4}
64 = 2(0.00390625)
64 ≠ 0.0078125
Answer choice D is incorrect.
Your answer is B) f(x)=2(4)^x
Answers
7.00%
7.60%
14.67%
17.19%
Answers
Answer:
its c 14.67
Step-by-step explanation: