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RideAnS [48]
3 years ago
10

Suppose you earn 6 dollars per hour at your part-time job. What will your new hourly rate be after a 2.5 percent raise? Why

Mathematics
1 answer:
icang [17]3 years ago
7 0

#1: Change 2.5 percent to a decimal.

This is how you change 2.5 into a decimal:  By dividing by 100.

2.5 divided by 100 = 0.025

#2: Multiply 6 by 0.025.

6 x 0.025 = 0.15

#3: Last but not least, add 0.15 and 6

6 + 0.15 = 6.15

The answer you are looking for would be 6.15 dollars.

= $6.15

Hope this helps!-Aparri

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Emily used the number line to find the quotient for -15 ÷ 5. What errors did she make? Select three correct answers.
Naily [24]

Answer:

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8 0
2 years ago
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Sonia walks to her aunt's house. She leaves home at 1025. She walks a total of 12km at an average speed of 5km/h. Work out the t
lisabon 2012 [21]

Answer: 1249 hrs

Step-by-step explanation:

Sophia walked for 12 km to get to her aunt's house.

She did this at a speed of 5km/h which means that the time taken was:

Time = Distance / Speed

= 12 / 5

= 2.4 hours

2.4 in hours:

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If she left at 1025, she would arrive at:

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3 0
3 years ago
Suppose heights of seasonal pine saplings are normally distributed and have a known population standard deviation of 17 millimet
Mumz [18]

Answer:

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Step-by-step explanation:

The confidence interval for the population mean x can be calculated as:

x'-z_{\alpha /2}\frac{s}{\sqrt{n} } \leq x\leq x'+z_{\alpha /2}\frac{s}{\sqrt{n} }

Where x' is the sample mean, s is the population standard deviation, n is the sample size and z_{\alpha /2} is the z-score that let a proportion of \alpha /2 on the right tail.

\alpha is calculated as: 100%-99%=1%

So, z_{\alpha/2}=z_{0.005}=2.576

Finally, replacing the values of x' by 308, s by 17, n by 15 and z_{\alpha /2} by 2.576, we get that the confidence interval is:

308-2.576\frac{17}{\sqrt{15} } \leq x\leq 308+2.576\frac{17}{\sqrt{15} }\\308-11.307 \leq x\leq 308+11.307\\296.693\leq x\leq 319.307

6 0
3 years ago
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2 years ago
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