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N76 [4]
2 years ago
14

If the mean of five values is 8.6 and four of the values are 10, 7, 8, and 7, find

Mathematics
1 answer:
Anna007 [38]2 years ago
6 0

Answer:

The fifth value is 11

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Is this answer right
ehidna [41]

Answer: No the real answer is 35.10585

Step-by-step explanation:

3 0
2 years ago
nicole is taking a train yo Washington DC.The train travels 234 miles in 4 1/2 hours.Express this relationship as a unit rate
Ivenika [448]

Answer:

52 miles per hour.

Step-by-step explanation:

Divide 234 by 4.5, as that is what you must divide 4.5 by to get 1.

234/4.5 = 52 miles per hour.

8 0
3 years ago
Add the two equations, 0.75x+1.5y=40 and −1.5x−1.5y=−60 , to find the value of x .
sergij07 [2.7K]

The value of x in the equation is 26.7

<h3>How to solve an equation?</h3>

0.75x + 1.5y = 40

−1.5x − 1.5y = −60

add both equation to eliminate y .

Therefore,

−1.5x + 0.75x = -0.75x

1.5y + (- 1.5y) = 0

40 + (-60) = -20

Hence,

-0.75x  = - 20

divide both sides by -0.75

-0.75x / -0/75 = - 20 / -0.75

x = - 20 / -0.75

x = 26.6666666667

x = 26.7

learn more on equation here:  brainly.com/question/7234676

#SPJ1

7 0
1 year ago
What Is 4/5 - 3/10 plz help
Lynna [10]

Answer:

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
PLEASE HELP ME ASAP
4vir4ik [10]
Pretty sure it’s b, good luck
8 0
3 years ago
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