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3 years ago

Explain how you use estimation to check the reasonableness of a solution to a practical problem.

Mathematics

1 answer:

Oxana [17]3 years ago

3 0

Answer:

Well, one way to use reasonableness is to estimate the answer to see if your answer is an outrageous answer or not. So, looking at your problem, you see that you are multiplying a two hundred something number by 4 and then subtracting 10 from it.

Step-by-step explanation:

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What is the cost of mailing a package that weighs 2 pounds 3 ounces if the cost is $1.50 plus 0.05 for each ounce over six ounce

scoray [572]

Answer:

The answer is B

Step-by-step explanation:

1 pound = 16 ounce

2 pounds = 32 ounce +3 ounce = 35 ounce.

35 ounce - 6 ounce = 29 ounce

29 ounce x 0.05 = 1.45

1.45 + 1.50 = $2.95

5 0

3 years ago

Read 2 more answers

What is 2/10 divided by 2/4

shtirl [24]

Given:

$\dfrac{2}{10}$ divded by $\dfrac{2}{4}$ .

To find:

The solution for the given division problem.

Solution:

We have, $\dfrac{2}{10}$ divded by $\dfrac{2}{4}$ . It can be written as

$\dfrac{2}{10}\div \dfrac{2}{4}=\dfrac{2}{10}\times \dfrac{4}{2}$

$\dfrac{2}{10}\div \dfrac{2}{4}=\dfrac{2\times 4}{10\times 2}$

$\dfrac{2}{10}\div \dfrac{2}{4}=\dfrac{8}{20}$

$\dfrac{2}{10}\div \dfrac{2}{4}=\dfrac{2}{5}$

Therefore, the solution for the given division problem is $\dfrac{2}{5}$ .

3 0

3 years ago

You must roll a total of 9 on two number cubes to win the

Andru [333]

You need to figure out how many ways you can roll a sum of 9.

3 and 6, 4 and 5, 5 and 4, and 6 and 3. That's 4/36, or a 1/9 chance.

Alex has a 1/6 chance. Therefore, Alex is more likely to win.

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3 years ago

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Question Help A manufacturer ships toasters in cartons of 1010. In each carton, they estimate a 1010% chance that any one of t

natta225 [31]

Answer:

The probability that there will be repair exactly 3 toaster is 0.0574.

Step-by-step explanation:

Binomial Distribution:

A discrete random variable X having the set {0,1,2,3......,n} as the spectrum, is said have a binomial distribution with parameter n= number of trials and p=probability of number of success on an individual trial, if the p.m.f (probability mass function) of X given by,

$P(X=x)=C(n,x)p^x(1-p)^{n-x}$ x=0,1,2,......,n