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2 years ago

15

State the two quantities that are being compared in each rate. Then calculate the equivalent unit rate.

1 answer:

stealth61 [152]2 years ago

6 0

101.25 dollars are being compared to 9 hours. The unit rate is 11.25 dollars

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-4x+14+20x=2(10x-3)<br> not sure how to tackle this

katrin2010 [14]

That's a big one. Take it step by step.

-4x+14+20x= 2(10x-3)

Combine like terms.

16x+14= 20x-6

Add 6 on both sides.

16x+20=20x

Subtract 16x on both sides

20=4x

Divide by 4 into both sides.

x=5

Consider it tackled. Kaikers out.

I hope this helps!

8 0

3 years ago

gayaneshka [121]

Answer:

D 112

Step-by-step explanation:

bc i know

3 0

3 years ago

Find the value of x. Round to the<br> nearest tenth.<br> 40<br> X<br> 7<br> x = [?]

serious [3.7K]

The correct answer for that question is 280

3 0

2 years ago

A marketing consultant observed 40 consecutive shoppers to estimate the average money spent by shoppers in a supermarket store.

KonstantinChe [14]

Answer:

0.998 is the probability that the average money spent by a sample of 40 shoppers is within $10 of the actual population mean.

Step-by-step explanation:

We are given the following information in the question:

Standard Deviation, σ = $21.51

We are given that the distribution of average money spend is a bell shaped distribution that is a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\frac{\sigma}{\sqrt{n}}}$

We have to find:

P( average money spent is within $10 of the actual population mean.)

$= P( z \leq \displaystyle\frac{10\times \sqrt{40}}{21.51}}) = P(z \leq 2.94)$

Calculation the value from standard normal z table, we have,

$P(z \leq 2.94) = 0.998$

6 0

2 years ago

I need help asap this is urgent

fiasKO [112]

Girl pls thats just give up that’s not gonna help you in life it’s ok because I failed too

8 0

2 years ago

Read 2 more answers