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nordsb [41]
3 years ago
10

You are at a restaurant and the check comes to a total of $79. If you want to leave a

Mathematics
2 answers:
Marizza181 [45]3 years ago
6 0
79 x .17 = 13.43 (tip)
79 + 13.43 = 92.43 (total)
zubka84 [21]3 years ago
5 0

Answer:

$92.43

Step-by-step explanation:

Original value of money paid is $79

Tip is 17% of $79 = $13.43

Total is the original value + the tip

79 x 0.17(this is because 17% is the same as 17/100 If you turn this to a decimal you get 0.17) = $13.43

Total = $13.43 + $79

$92.43 the 43 cents are whole so there is no need to round off.

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5. A ball is thrown upward with an initial velocity of 50 feet per second. The
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Answer:

SEE BELOW IN BOLD.

Step-by-step explanation:

a.

h = -16t^2 + 50t

h = 20 t

When the height is the same:

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So the answer is 1.88 seconds to the nearest hundredth.

b.

For the ball

h = -16t^2 + 50t

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dh/dt = -32t + 50 = 0

t = -50/-32 = 1.563

Maximum height after 1.56 seconds to nearest hundredth

c.

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-16t^2 + 50t = 0

-16t(t - 50/16)= 0

T = 3.13 SECONDS TO THE NEAREST HUNDERDTH

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2 years ago
In a survey, three out of five students prefer the Xbox. If 675 students were surveyed, how many prefer the Xbox?
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