Jack can make 6 paper boat canoes in 15 minutes. At that rate, how many paper boat canoes can he make in 40 minutes?

Mathematics

2 answers:

BigorU [14]3 years ago

8 0

The correct answer for the question above is
C.)16

natima [27]3 years ago

7 0

The answer is C-16

This is because if your set up a proportion

——=—— you put 6 over 15 like a fraction form and then = x over 40 x because you don’t know how many he can make in 40 mins and the 40 is right next to the 6 over 15 because we are trying to find how many paper boats we can make not the time therefore the answer is 16

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Alain throws a stone off a bridge into a river below. The stone's height (in meters above the water), xxx seconds after Alain th

Naya [18.7K]

For this case we have the following function:
$h (x) = - 5x ^ 2 + 10x + 15
$
By the time the stone is thrown, x = 0.
We must evaluate this value of x in the function.
We have then:
$h (0) = - 5 (0) ^ 2 + 10 (0) +15

h (0) = 0 + 0 + 15

h (0) = 15 meters$
Answer:
The height of the stone at the time is thrown is given by:
h (0) = 15 meters

4 0

3 years ago

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What the answer to this -3+u=-20

yawa3891 [41]

- 3 + u = - 20

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hope this helps!.

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3 years ago

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ale4655 [162]

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