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andreev551 [17]
3 years ago
12

A phone company offers two monthly plans. Plan A costs 14 plus an additional 0.09 for each minute of calls. Plan B costs 18 plus

an additional 0.07 for each minute of calls. For what amount of calling do the two plans cost the same? What is the cost when the two plans cost the same?
Mathematics
1 answer:
Sliva [168]3 years ago
8 0

Answer:

200 minutes

Step-by-step explanation:

14 + 0.09 x = 18 + 0.07 x

0.09 x - 0.07 x = 18 - 14

0.02 x = 4

x = 400/2 = 200

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4 years ago
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A cylinder has a height of 4 meters and a radius of 1.5 meters. What is the approximate radius of a sphere that has the same sur
Mama L [17]

If the surface area of the cylinder is 12π square meters. Then the radius of the sphere will be 1.7 meters.

<h3>What is a cylinder?</h3>

A cylinder is a closed solid that has two parallel circular bases connected by a curved surface.

A cylinder has a height of 4 meters and a radius of 1.5 meters.

Then the approximate radius of a sphere that has the same surface area as the cylinder.

We know that the Surface area of the cylinder will be is given as

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Surface area = 2 x π x 1.5 x 4

Surface area = 12π square meters

Then we have

Surface area of sphere = surface area of cylinder

                              4πr² = 12π

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More about the cylinder link is given below.

brainly.com/question/3692256

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4 0
2 years ago
A fish tank is 3 feet by 4 feet by 5 feet. How many galoons of water will it hold? A cubic foot of water is 7.5 gallons.
likoan [24]

Answer: 8 gallons of water.

Step-by-step explanation:

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6 0
4 years ago
7) 19 = 9 + 2(x – 7)
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Answer:

x = 12

Step-by-step explanation:

First you need to use the distributive property.

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Hope this helps!!!

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3 0
3 years ago
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Andrei [34K]

Answer:20

Step-by-step explanation:

x/24=5/6

multiply both sides by 24

x=(5*24)/6

simplify

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6 0
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