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Fantom [35]
3 years ago
12

Emma's grades are 100, 98, 94, 90, and 88. Emma decides not to study for the final because her grades are so high on all of the

previous tests. Emma scores 64 on the final. As an outlier, how does 64 affect the mean of Emma's previous scores? Assume all scores are treated equally.
Mathematics
1 answer:
makkiz [27]3 years ago
8 0

Answer:

Average x = 89

Size n = 6

Sum Sum = 534

Solution:

The Average (Mean) is equal to the Sum of all data divided by the Size of the data set.

Average = Sum / Size

= 534 / 6

= 89

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A rectangle has a length of x+7 and a width of x-3. write and expression that represents the AREA of the rectangle.
Lyrx [107]

Answer:

A = x^2 + 4x -21

Step-by-step explanation:

L = x+7

W = x-3

A = L*W

A = (x+7)(x-3)

A = x^2 + 4x - 21

6 0
3 years ago
John is driving to his office to attend a meeting. In the first 10 minutes, he covers a distance of 1 mile every minute. Then he
Georgia [21]

Answer:

The total distance cover by John is 15 min to reach his office .

Step-by-step explanation:

Given as ;

In the first 10 minutes , the distance cover is 1 miles every minutes

So, for 10 minutes , total distance cover by John = 10 × 1 = 10 miles

Again ,

John cover distance of 0.5 miles for every minutes , he travel for next 10 min

So, for next 10 min, total distance cover by John = 10 × 0.5 = 5 miles

So, The total distance cover by john = 10 miles + 5 miles = 15 miles

Hence The total distance cover by John is 15 min to reach his office . Answer

5 0
4 years ago
Perform the indicated operation. X^3+43-49x-7x^2 divides by x^2-49
BaLLatris [955]

Answer:

The quotient is: x-7

and remainder is : -300

Step-by-step explanation:

We need to divide X^3+43-49x-7x^2 by x^2-49

First arrange the term  X^3+43-49x-7x^2 in terms of ascending order of x.

Arranging we get:

x^3 - 7x^2 -49x + 43 \  x^2-49

The division steps are shown in figure attached.

The quotient is: x-7

and remainder is : -300

4 0
3 years ago
Which graph represents the solution set of this inequality?<br> -36 – 15 &gt; -24
adell [148]

Answer:

I belive that it would be no soultion

Step-by-step explanation:

6 0
3 years ago
paul is born on his grandfather 60th birthday. In how many years will is Grandfather be 11 times as old as Paul?
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Maybe is 71 because 60 + 11 is 71 and is basically saying when paul turns 11 how old will his grandfather be ...
8 0
4 years ago
Read 2 more answers
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