Mathematics, 26.09.2019 14:30 jonallere04

Erin jogged 2 1/4 miles on monday. wednesday, she jogged 3 1/3 miles, and on friday, she jogged 2 2/3 miles. how far did erin jog altogether?

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Answer from: 1UNIDENTIFIED1

$8\frac{1}{4}\ miles$

Step-by-step explanation:

We can make the conversion from mixed numbers to improper fractions:

Multiply the whole number part by the denominator of the fraction.Add the numerator of the fraction and the product obtained (This sum will be the new numerator). The denominator is the same.

Then:

$2\frac{1}{4}=\frac{(2*4)+1}{4}=\frac{9}{4}\\\\3\frac{1}{3}=\frac{(3*3)+1}{3}=\frac{10}{3}\\\\2\frac{2}{3}=\frac{(2*3)+2}{3}=\frac{8}{3}$

We need to add these fractions in order to calculate how far Erin jogged, we must find the Least Common Denominator (LCD):

$4=2*2=2^2\\\\3=3\\\\LCD=2^2*3=12$

Then, the sum is:

$\frac{9}{4}+\frac{10}{3}+\frac{8}{3}=\frac{27+40+32}{12}=\frac{33}{4}\ miles$

To convert this improper fraction to a mixed number:

When you divide 33 by 4, you get a quotient of 8. This will be the whole number.The remainder obtained is 1. This will be the numerator of the fraction.The denominator does not change.

Therefore, you get:

$\frac{33}{4}\ miles=8\frac{1}{4}\ miles$

Answer from: Quest

step-by-step explanation:

you are throwing one dart

Answer from: Quest

step-by-step explanation:

i found the life tables for the year 2012.

life table of males at age 30. probability of dying between ages x and x+1

total population:

29–30 . . . . . . . . . . . . 0.001030

30–31 . . . . . . . . . . . . 0.001061

males:

29–30 . . . . . . . . . . . . 0.001420

30–31 . . . . . . . . . . . . 0.001448

white population

29–30 . . . . . . . . . . . . 0.001005

30–31 . . . . . . . . . . . . 0.001037

white males

29–30 . . . . . . . . . . . . 0.001372

30–31 . . . . . . . . . . . . 0.001399

non hispanic white population

29–30 . . . . . . . . . . . . 0.001083

30–31 . . . . . . . . . . . . 0.001116

non hispanic white males

29–30 . . . . . . . . . . . . 0.001477

30–31 . . . . . . . . . . . . 0.001503

jacob, non hispanic white male. 30 years old.

probability that jacob lives to be 30 years old.

since the given probabilities are probabilities of dying, i think we simply subtract it from 1 to get the probability of living. we will use the probability of non hispanic white male.

probability of living to be 30 y.o.

29 - 30 : 1 - 0.001477 = 0.998523

30 - 31 : 1 - 0.001503 = 0.998497

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Erin jogged 2 1/4 miles on monday. wednesday, she jogged 3 1/3 miles, and on friday, she jogged 2 2/...

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