3 years ago

Compare the rates to find which is the best value.

1 answer:

gladu [14]3 years ago

6 0

6 greeting cards for 23.40 is the best price! It is $3.90 per each card.

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(10x+y)(100x^2-10xy+y^2)

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Mice21 [21]

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$0.14

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When you divide the cost of pencils to the amount the pencils is the amount of each pencil.

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Eva8 [605]

2 times 0.4 = 0.8.

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mojhsa [17]

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3 years ago

amm1812

Answer:

The diver will be in free fall for $10\sqrt{3}$ seconds.

Step-by-step explanation:

The distance in feet, that an object falls in t seconds is given by the function $h(t) = 16t^{2}$ .

Now, given that the height is 4800 feet and we have to calculate the number of seconds the diver was in a free fall.

Therefore, $4800 = 16t^{2}$

⇒ $t^{2} = \frac{4800}{16} = 300$

⇒ $t = \sqrt{300} = \sqrt{100 \times 3} = 10\sqrt{3}$ seconds.

Therefore, the diver will be in free fall for $10\sqrt{3}$ seconds. (Answer)

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4 years ago