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solniwko [45]
1 year ago
13

12 rolls of paper towels cost $5.00, while 3 rolls cost $2.00. (Assume the rolls are the same size / have the same number of she

ets.) Which represents the better bargain?​
Mathematics
1 answer:
Zinaida [17]1 year ago
7 0

Answer: 12 rolls for $5

Step-by-step explanation: 3 rolls for $2 would be $8 for 12

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Step-by-step explanation:

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After selling a dozen copies of the daily newspaper a newsstand had fewer than 75 copies left how many copies did the newsstand
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The daily newspaper stand had began with 87 copies.
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A spherical hot air balloon has a diameter of 55 feet when the balloon is inflated the radius increases at a rate of 1.5 feet pe
Nuetrik [128]

Answer: 46.90mins

Step-by-step explanation:

The given data:

The diameter of the balloon = 55 feet

The rate of increase of the radius of the balloon when inflated = 1.5 feet/min.

Solution:

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V = 4/3·π·r³

The maximum volume of the balloon

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The radius, r₂ at the point is

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= 464371.11 ft³

r₂³ = 464371.11 ft³ × 3/4

= 348278.33 ft³

348278.333333

r₂ = ∛(348278.33 ft³) ≈ 70.36 ft

The time for the radius to increase to the above length = Length/(Rate of increase of length of the radius)

The time for the radius to increase to the

above length

Time taken for the radius to increase the length.

= is 70.369 ft/(1.5 ft/min)

= 46.90 minutes

46.90mins is the time taken to inflate the balloon.

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Find the area of the sector, rounding your answer to 1d.p. thank you for your help :3<br>​
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Answer:

The second choice

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In most cases, the dependent variable is the y value in the graph.

The dependent variable is the thing that is being measured or changing.

In this example it can't be the time because time is always moving at a constant rate and there is nothing that can be done to change it.

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