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3 years ago

Find the value of 15/4 divided by 5/8

Mathematics

2 answers:

ollegr [7]3 years ago

7 0

Answer:

15/4 is 0.0753 and 5/8 0.0097369

Step-by-step explanation:

dedylja [7]3 years ago

3 0

Answer:

Step-by-step explanation:

15/4÷5/8

15/4×8/5

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What’s 2 +2x7x8+3x78=?

Xelga [282]

Answer:348

Step-by-step explanation:

6 0

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 :

$7.18 \leq \mu \leq 7.58$

8 0

4 years ago

PLEASE HELPPPP

grandymaker [24]

Is B 2,826,800 I’m sure

6 0

3 years ago

Read 2 more answers

I WILL GIVE BRAINLIEST!!!

netineya [11]

Answer:

Isolate the variable by dividing each side by factors that don't contain the variable.

M = 0.65146579

t=0

simplified = M ( t ) = 0.65146579 t

Step-by-step explanation:i really hope this helps you

7 0

3 years ago

The Spanish club is arranging a trip to a Mexican restaurant in a nearby city. Those who go

Hoochie [10]

Answer:

20 people

Step-by-step explanation:

well we know that only going to the restaurant every person must pay $7

so we have only $3 extra

those 3 dollars times the number of people must give 60 dollars

$3x=60\\\\\frac{1}{3} *3x=\frac{1}{3} *60\\\\x=20$

so 20 people must go, to pay only $10

7 0

3 years ago