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Genrish500 [490]
3 years ago
14

Kisha ran 8 7/15 miles then walked 1 7/10. Find the total distance she traveled.

Mathematics
2 answers:
adoni [48]3 years ago
6 0

Answer:

the total distance she traveled is 10 1/5

ale4655 [162]3 years ago
3 0

Answer:

What you need to do, in this situation, is simplify the equation-- so it is able to be added" and solve

Step-by-step explanation:

First, find the lcm of 15 and 10. This value is 30 because 15*2 is 30 and 10*3 is 30.

Next, convert the two fractions so that each of them has a denominator of 30.

8 7/15 = 8 14/30

1 7/10 = 1 21/30

Clean up your values:

8 14/30 + 1 21/30

Finally, solve for d, distance (Hint: distance can never be negative; that is why absolute value exists)

You will result with 9 35/30

Simplify this and you will receive 10 5/30

Is this relatively prime? No: we need to simplify again

Final Answer: 10 1/6 miles

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3 years ago
Farmers often sell fruits and vegetables at farmers’ markets during the summer. Each tomato stand at the Bentonville farmers’ ma
olga nikolaevna [1]

Answer:

the probability that all tomatoes are sold is  0.919 (91.9%)

Step-by-step explanation:

since the random variable X= number of tomatoes that are demanded,  is normally distributed we can make the standard random variable Z such that:

Z=(X-μ)/σ = (83 - 125)/30 = -1.4

where μ= expected value of X= mean of X (since X is normally distributed)  , σ=standard deviation of X

then all tomatoes are sold if the demand surpasses 83 tomatos , therefore

P(X>83) = P(Z>-1.4) = 1- P(Z≤-1.4)

from tables of standard normal distribution →P(Z≤-1.4)=0.081 , therefore

P(X>83) = 1- P(Z≤-1.4)  = 1 - 0.081 = 0.919 (91.9%)

thus the probability that all tomatoes are sold is  0.919 (91.9%)

6 0
3 years ago
Consider the equation 3a+0.1n=123. If we solve this equation for n, which equation would result? A. 0.1n=123-3a B. N=123-3a-0.1
neonofarm [45]

Answer:

n = (123 - 3a) / 0.1

Step-by-step explanation:

Given:

3a + 0.1n = 123

Solve for n

3a + 0.1n = 123

Subtract 3a from both sides

3a + 0.1n - 3a = 123 - 3a

0.1n = 123 - 3a

Divide both sides by 0.1

n = (123 - 3a) / 0.1

The resulting equation if 3a + 0.1n = 123 is solved for n is n = (123 - 3a) / 0.1

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2 years ago
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