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adelina 88 [10]
2 years ago
10

Jeff is designing the seating arrangement for a concert in his high school theater. To give everyone a good view, each row must

have 5 more seats than the row before it, and the 1st row can only have 12 seats. Explain to Jeff how to create an equation to predict the number of seats in any row. Then, using your equation, show your work to determine the number of seats in row 25.
Mathematics
2 answers:
lorasvet [3.4K]2 years ago
7 0

Answer: To give everyone a good view, each row must have 5 more seats than ... Then explain to Jeff how to create an equation to predict the number of ...

Missing: T ‎| Must include: T

Step-by-step explanation:

Julli [10]2 years ago
7 0

Answer:

There will be 132 seats in row 25

Step-by-step explanation:

1st term = 12

common difference = 5

f(x) = 12 + 5(x - 1)

f(25) = 12 + 5(25-1)

f(25) = 12 + 5(24)

f(25)= 12+120

f(25)=132

There will be 132 seats in row 25

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Sphere and a cylinder have the same radius and height. The volume of the cylinder is 64 meters cubed.
Mrrafil [7]

Answer:

C. 128/3 meters cubed

Step-by-step explanation:

The volume of a cylinder is denoted by: V=\pi r^2h, where r is the radius and h is the height. We know it's equal to 64, so we can set that equal to V:

V=\pi r^2h

64=\pi r^2h

We know that the sphere and cylinder have the same height and radius. However, the "height" of a sphere is actually the same as its diameter, which is twice its radius. Then, we can replace h in the above equation with 2r:

64=\pi r^2h

64=\pi r^2*2r=2\pi r^3

\pi r^3=64/2=32

Now, the volume of a sphere is denoted by: V=\frac{4}{3} \pi r^3, where r is the radius. From above, we know that \pi r^3=32, so we can plug this into the equation:

V=\frac{4}{3} \pi r^3

V=\frac{4}{3} *32=128/3

Thus, the answer is C.

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3 years ago
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schepotkina [342]
The number that represents 8/9 to the nearest percent is .89
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Hitman42 [59]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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How can you guys helps me?
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Answer:

A

Step-by-step explanation:

Have a good day. ;-)

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