All categories

3 years ago

M=0.75d - 2 proportional or non proportional?

Mathematics

1 answer:

ArbitrLikvidat [17]3 years ago

8 0

Answer:

Non proportional

Step-by-step explanation:

You might be interested in

Fifty less than three times a number is -20. Find the number.

Mrrafil [7]

3x - 50 = -20
Add 50 to both sides
3x = 30
x = 10
The number is 10

8 0

3 years ago

Read 2 more answers

What is the opposite of addition?<br> what is the opposite of division?

LenaWriter [7]

Subtraction
multiplication
yayyyyyyyyyyy

8 0

3 years ago

Read 2 more answers

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

3 years ago

Whats 72/20 as a proper fraction... im lazy.

Ivahew [28]

Answer: 72/20 = <u>3 3/5</u>

Step-by-step explanation:

..........

4 0

3 years ago

Read 2 more answers

For the family picnic, Dana's mom buys a box of 12 forks, a box of 18 spoons, and a box of 24 knives. How many boxes of each wil

SOVA2 [1]

Answer:

Step-by-step explanation:

This is assuming the following:

1) fork boxes comes with 12 count.

2) spoon boxes comes in 18 count.

3) knife boxes comes in 24 count.

Find the least common factor:

12: 12, 24, 36, 48, 60, 72

18: 18, 36, 54, 72

24: 24, 48, 72

72 is the least common factor shared by all these numbers.

3 0

3 years ago

Read 2 more answers