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Schach [20]
3 years ago
8

A water truck is filling a swimming pool. The equation that represents this

Mathematics
1 answer:
Luda [366]3 years ago
8 0

Answer:

  a. false

  b. true

  c. true

  d. true

  e. false

Step-by-step explanation:

a. False. The "unit rate" is 19.75 gallons per minute. The "unit" of a "unit rate" is in the denominator. Here, the denominator of the rate is 1 minute.

__

b. True. A graph of a proportional relationship is a straight line through the origin.

__

c. True. In 5 minutes, the water in the pool will increase by 98.75 gallons, about 100 gallons.

__

d. True. The ratio of a y-value to an x-value will always be 19.75. That is the meaning of this proportional relationship.

__

e. False. The points (8, 158) or (7.5949, 150) will be on the graph. The point (8, 150) will not.

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Answer:

The semiannual interest payment is $485.5

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Step-by-step explanation:

The formula of the simple interest is I = Prt, where

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∴ The semiannual interest payment = 485.5

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- Substitute the values of P, r and t in the formula

∴ I = 20,000(0.04855)(11)

∴ I = 10,681

The total interest earned over the life of the bond is $10,681

6 0
3 years ago
Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. f ( x ) = 9 x 3 + 2 x 2
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= 4x³+2x²+2x

= 2x(2x²+x+1)

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