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3 years ago

What is the difference of the fractions? Use the number line to help find the answer. - T0

Mathematics

2 answers:

Lostsunrise [7]3 years ago

5 0

Answer:

you got you must be so Mad rn that I'm not helping you with your question Jiggle what you going to do with that big old behind

Step-by-step explanation:

dybincka [34]3 years ago

3 0

Answer:

-7/10

Step-by-step explanation:

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A flower store sells carnations for $18.50 per dozen. The sales tax is 6%. Part A: How much is the sales tax on a dozen carnatio

myrzilka [38]

Part A.

*To find the sales tax (6%) amount: $18.50 x .06 = $1.11 is the sales tax on a dozen carnations

Part B.

*To find the total cost of a dozen carnations plus the sales tax: $18.50 + $1.11 = $19.61 this is the total cost

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3 years ago

In analyzing the city and highway fuel efficiencies of many cars and trucks, the mean difference in fuel efficiencies for the 60

Olegator [25]

Answer:

$7.38-1.96\frac{2.51}{\sqrt{601}}=7.18$

$7.38+1.96\frac{2.51}{\sqrt{601}}=7.58$

For this case the confidence interval is given by :

$7.18 \leq \mu \leq 7.58$

Step-by-step explanation:

Data provided

$\bar X=7.38$ represent the sample mean for the fuel efficiencies

$\mu$ population mean

s=2.51 represent the sample standard deviation

n=601 represent the sample size

Confidence interval

The formula for the confidence interval of the true mean is given by:

$\bar X \pm t_{\alpha/2}\frac{s}{\sqrt{n}}$ (1)

The degrees of freedom for this case is given by:

$df=n-1=601-1=600$

The Confidence level for this case is 0.95 or 95%, and the significance level $\alpha=0.05$ and $\alpha/2 =0.025$ and the critical value is given by $t_{\alpha/2}=1.96$

Replcing into the formula for the confidence interval is given by:

$7.38-1.96\frac{2.51}{\sqrt{601}}=7.18$

$7.38+1.96\frac{2.51}{\sqrt{601}}=7.58$

For this case the confidence interval is given by :

$7.18 \leq \mu \leq 7.58$

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3 years ago

Solve the system of linear equations and show your work.<br> −8x+5y=26<br> 9x−3y=−3

maks197457 [2]

X is 7 and y is 2 I am pretty sure

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3 years ago

How much is left after 24,815.00 in taxes is deducted from an annual salary of 83,500.00

Debora [2.8K]

$58,685 would be the amount left over.

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3 years ago

How come eleven times eleven equal 121

sasho [114]

Try adding 11, 11 times. It is a long process, but it should give you what you are looking for. First. to break it down add 10 eleven time, then after you get 110 add the remaining 11.

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3 years ago