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3 years ago

PLEASE HELP FAST !!!!! PLEASEEEEEEEE The cost of go-karting is dollars for the

Mathematics

1 answer:

elixir [45]3 years ago

3 0

you pay x for ten laps an you pay y for every additional lap you just multiply y by seven an add x

so all an all your answer would be (B)

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What is the absolute deviation and range of the data set 134 139 145 152 174

malfutka [58]

The answer or range would be 40

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3 years ago

The pipe fitting industry had 546.5 thousand jobs in 2015 and is expected to decline at an average rate of 3 thousand jobs per y

lesya692 [45]

Answer:

The amount of jobs from fitting industry shall decline in 5.5 percent from 2015 to 2025.

Step-by-step explanation:

Due to the assumption of a yearly average rate, a linear function model shall be used. The expected amount of jobs ( $n$ ) after a certain amount of years (t) is given by the following formula:

$n = n_{o} + \frac{\Delta n}{\Delta t}\cdot t$

Where:

$n_{o}$ - Initial amount of jobs in pipe fitting industry, measured in thousands.

$\frac{\Delta n}{\Delta t}$ - Average yearly rate, measured in thousands per year. (A decline is indicated by a negative sign)

If $n_{o} = 546.5$ , $t = 2025-2015 = 10\,years$ and $\frac{\Delta n}{\Delta t} = -3\,\frac{1}{years}$ , then:

$n = 546.5+\left(-3\,\frac{1}{year}\right)\cdot (10\,years)$

$n = 516.5$

The percent change in jobs from pipe fitting industry is calculated as follows:

$\%n = \left(1-\frac{n}{n_{o}}\right)\times 100\,\%$

$\% n = \left(1-\frac{516.5}{546.5}\right)\times 100\,\%$

$\%n = 5.5\,\%$

The amount of jobs from fitting industry shall decline in 5.5 percent from 2015 to 2025.

4 0

3 years ago

Find the value of x. A. 22 B. 7.3 C. 3.6 D. 5.5

NemiM [27]

Answer:

x= 5.5

Step-by-step explanation:

(segment piece) x (segment piece) = (segment piece) x (segment piece)

x*4 = 11*2

4x = 22

Divide each side by 4

4x/4 = 22/4

x =5.5

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3 years ago

If Jon needs to find the value of cos P in △PQR , which of the following ratios should he use?

viva [34]

Answer:

Pr/ok

Step-by-step explanation:

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3 years ago

Which expression shows the distance on the number line between −12 and 8?

Alexxx [7]

D I’m pretty sure I’m 50-50

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2 years ago