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stellarik [79]
3 years ago
12

Find the sum or difference.write your answer in simplest form 2/9+1/3=

Mathematics
1 answer:
aniked [119]3 years ago
4 0
The answer is 5/9. Just find the common denominator which is 9 and the new equation is 2/9 + 3/9 = 5/9
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What is the area of the triangle?<br> Is this correct?
kobusy [5.1K]

Answer:

6.36

Step-by-step explanation:

3 0
2 years ago
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A gallon of gas cost $2.16. Rob buys 13.5 gallons of gas. How much did he pay?
pashok25 [27]

Answer:

$29.16

Step-by-step explanation:

Each gallon of gas is $2.16.

13.5 gallons of gas is 2.16 (13.5) = $29.16.

4 0
3 years ago
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The cost of 5 gallons of ice cream has a standard deviation of 7 dollars with a mean of 25 dollars during the summer. What is th
victus00 [196]

Answer:

0.000221

Step-by-step explanation:

Using the z score formula when a random number of samples is given =

z = (x-μ)/σ/√n, where

x is the raw score

μ is the population mean

σ is the population standard deviation = 7

n is random number of samples = 83

Note that:2.2 dollars = x-μ

z = 2.2/7/√8.3

z = 3.51402

Probability value from Z-Table:

P(x<27.7) = 0.99978

P(x>27.7) = 1 - P(x<27.7) = 0.00022069

Approximately = 0.000221

Hence, the probability that the sample mean would differ from the true mean by greater than 2.2 dollars if a sample of 83 5-gallon pails is randomly selected is 0.000221

4 0
2 years ago
Question 4Multiple Choice Worth 3 points)
dedylja [7]

LENGTH=2/5

WIDTH=1/5

perimeter is 2l+2w

L=So 2/5 + 2/5 is 4/5

W=So 1/5 + 1/5 is 2/5

Answer is 4/5 + 2/5

Answer= 6/5 = 1 1/5

5 0
3 years ago
When Marcus weighed the watermelon in his garden a week ago, it weighed 2.8 pounds. Yesterday, the watermelon weighed 4.67 pound
CaHeK987 [17]
The answer is 1.87 pounds heavier. This is found out by subtracting 2.8 from 4.67.
Hope this helps!
5 0
3 years ago
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