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Margarita [4]
3 years ago
11

A group of 16 friends visited an amusement park. When they arrived, 3/4 of the friends wanted to ride the fastest roller coaster

first. How many friends (f) wanted to ride?
Mathematics
2 answers:
vesna_86 [32]3 years ago
6 0
12 friends wanted to ride the roller coaster because 1/4 of 16 is 4 and 3/4 of 16 is 12
SashulF [63]3 years ago
5 0
Hi there!

12 friends wanted to ride.

For this you multiply:

16 x 3/4 = 12.

Hope this helps :)
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Alex bought all the string needed for $125.

It costs $18 for the remaining materials to make each puppet.

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In this case we can model a Total cost function C(x) for for x number of puppets as below

C(x)=125+18x\\ \\ \text{Here x is the number of puppets}\\ \\ \text{Since in our case the number of puppets is 50 so replace x by 50 we get }\\ \\ C(50)=125+18*50\\ \\ C(50)=125+900\\ \\ C(50)=1025  \ dollar.

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Answer:

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Step-by-step explanation:

The x-coordinate of every y-intercept is zero.  To determine which of the four quadratics given here has a y-intercept of 8, we need only substitute 0 for x in each; if the result is 8, we've found the desired quadratic.

O y = 0.5(x + 2)(x + 4) becomes y = 0.5(2)(4) = 4 (reject this answer)

O y = 0.5 (x - 2)(x + 8) becomes y = 0.5(-2)(8) = -8 (reject)

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<em>O y = 0.5 (x2 -2x + 16) becomes y = 0.5(16) = 8 This is correct; that '8' represents the y-intercept (0, 8).</em>

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