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3 years ago

PLEASE HELP ASAP 30 POINTS

Mathematics

1 answer:

kvasek [131]3 years ago

5 0

Answer:

1) $16.32 per lap

2) $19.17 per lap

3) $23.25 per lap

Step-by-step explanation:

simply divide the total amount of money by the number of laps

EX:

2) 230 divided by 12 = 19.17

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Jenna works in an ice cream shop. When she starts her shift the tub of chocolate ice cream is 23 full. When she finishes her shi

ipn [44]

Answer:

$Rate = 1.1/hr$

Step-by-step explanation:

Given

$Start = 23$

$End = 16$

$Hours = 6\frac{1}{2}h$

Required

Determine the hourly rate

First, we need to determine the ice cream sold

$Ice\ Cream = 23 - 16$

$Ice\ Cream = 7$

Next, we calculate the hourly rate:

$Rate = Ice\ Cream/Hours$

$Rate = 7/6\frac{1}{2}h$

$Rate = 7/\frac{13}{2}h$

$Rate = 7*\frac{2}{13h}$

$Rate = \frac{14}{13h}$

$Rate = 1.07692307692/hr$

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4 0

3 years ago

Read 2 more answers

Thanks in advance for your answer :)

MAXImum [283]

Answer:

x=5

Step-by-step explanation:

its easy just subtract 9 from 24 to get 15 and 15 divided by 3 is 5

7 0

3 years ago

Not sure on how to solve anymore. A)43.92 B)41.45 C)68.87 D)33.1

Alenkasestr [34]

Sin (37°) = opposite side/Hypotenuse

sin (37°) =CV/55 →CV = 55.si (37°)

CV = 55 x (0.601815)
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3 years ago

Suppose the exponential regression equation for some data is y=3.7772•1.923^x. When x equals 5 what is the predicated value of y

sveticcg [70]

y = 3.7772. 1.923^5 = 99 to nearest whole number

3 0

3 years ago

If a paper plane is thrown from the top of a 147-foot cliff into the water below, the height of the plane at any given time can

sasho [114]

Answer:

c. 6.5 seconds.

Step-by-step explanation:

We have been given that a a paper plane is thrown from the top of a 147-foot cliff into the water below, the height of the plane at any given time can be determined by the formula $h = -3t^2+147$ , where h is the height of the plane at t seconds.

To find the time, when plane will be at a height of exactly 20.25 feet, we will substitute $h=20.25$ in our given formula and solve for t as:

$20.25= -3t^2+147$

$-3t^2+147=20.25$

$-3t^2+147-147=20.25-147$

$-3t^2=-126.75$

$\frac{-3t^2}{-3}=\frac{-126.75}{-3}$

$t^2=42.25$

Take square root of both sides:

$t=\pm \sqrt{42.25}$

$t=\pm 6.5$

Since time cannot be negative, therefore, the plane will be at a height of exactly 20.25 feet after 6.5 seconds and option 'c' is the correct choice.

6 0

3 years ago