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2 years ago

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A freight company charges $.45 per pound to ship a box if the total shipping charge for your box is $22.59 how much does he weig

h calculate the work the nearest 10th of a pound you long division and show your work

1 answer:

ehidna [41]2 years ago

3 0

1016.55 I think is it I what to know to now

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It took two people to complete carpeting in 10 days. How many more workers need to be hired to complete the same job in 4 days?

IRISSAK [1]

so two fellows did all the carpeting in 10 days.

now, how long did "1" fellow work only? well, it worked for 10 days.

how long did the other fellow work for? well, it was working alongside the first one, and it was there for also 10 days.

so the two guys working together, really did 10+10 = 20 "days worth of work". So that the whole carpeting job can be done in 20 "days worth of work".

now if we want to finish it in 4 days, 20 ÷ 4 = 5.

so if we hire 5 guys, since each one will do 4 days worth, 5*4 = 20 <- the whole job.

4 0

3 years ago

Read 2 more answers

Masteriza [31]

John Doe makes 420,000 from basketball, and 3,200,000 which is 3,620,000 combined which is 300,039,000 less than Bobby Smyth (3.00039 x 10^8) i believe

4 0

2 years ago

A counselor records the number of disagreements (per session) among couples during group counseling sessions. If the number of d

Shalnov [3]

Answer:

$P(X>4)=P(\frac{X-\mu}{\sigma}>\frac{4-\mu}{\sigma})=P(Z>\frac{4-4.4}{0.4})=P(z>-1)$

And we can find this probability with the complement rule:

$P(z>-1)=1-P(z$

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".

Solution to the problem

Let X the random variable that represent the disagreements of a population, and for this case we know the distribution for X is given by:

$X \sim N(4.4,0.4)$

Where $\mu=4.4$ and $\sigma=0.4$

We are interested on this probability

$P(X>4)$

And the best way to solve this problem is using the normal standard distribution and the z score given by:

$z=\frac{x-\mu}{\sigma}$

If we apply this formula to our probability we got this:

$P(X>4)=P(\frac{X-\mu}{\sigma}>\frac{4-\mu}{\sigma})=P(Z>\frac{4-4.4}{0.4})=P(z>-1)$

And we can find this probability with the complement rule:

$P(z>-1)=1-P(z$

3 0

2 years ago

What is each of the expression written using each base only once? 10^10 x 10^10

aleksklad [387]

The answer is 10 thousand

4 0

2 years ago

Mr.Willams' physical education class lasts 7/8 hours. How many minutes are spent warming up and cooling down?

Ray Of Light [21]

7/8 of an hour is 52.5 minutes. 3/10 of 52.5 minutes is 15.75 minutes. They spent 15.75 minutes warming up and cooling down.

6 0

2 years ago