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Helen [10]
3 years ago
9

Help me plz i need help with 2 more question

Mathematics
1 answer:
GREYUIT [131]3 years ago
6 0

Answer:

I know that C is one of the answers but im not sure about D. OI'm 80% sure that D is also correct.

Step-by-step explanation:

sfdsdjfbsjb that up there jo mama

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Does it make sense? In my data set of 10 exam scores, the mean turned out to be the score of the person with the third highest g
san4es73 [151]

Answer:

Yes

Step-by-step explanation:

Given that  In my data set of 10 exam scores, the mean turned out to be the score of the person with the third highest grade.

No two people got the same score.

Let the scores be a,b,c,d,e in ascending order where no two scores are equal

If a+b=d+e =2c then we can have c as the mean of the scores of 5 persons

This is because

Total sum = a+b+c+d+e = (a+b)+c+(d+e)

= 2c+c+2c=5c

Average= 5c/5 = c

It makes sense and there are chances as long as the above condition is satisfied.

8 0
3 years ago
When a=3 , b=8 , c=2 , and d=5 , what is the value of...
EleoNora [17]
A^2 + 3b + c - 2d

(3)^2 + 3(8) + (2) - 2(5)

9 + 24 + 2 - 10 = 25
4 0
3 years ago
Read 2 more answers
The Wheelers’ bill at a restaurant is $63.00. How much total money is Mr. Wheelers' lunch if he plans to tip 15%?
kicyunya [14]

we know that

when you want to figure out a tip, you take your total bill and multiply it by the percentage you would like to tip them

so

15%=15/100------> 0.15

$63*0.15=$9.45

the answer is

$9.45

7 0
2 years ago
Solve questions 1-10 I just need the answer in (x,y) form
Andre45 [30]

Answer:

1. (1,1)

2.(2,-6)

3.Not sure.

4.No solution

5.(-3,4)

6. (6,-4)

7.(7,2)

8.(-7,-12)

9.(9,-1)

10.(2,1)

Step-by-step explanation:

Hope that helps bud!:)

5 0
2 years ago
If the diameter of a circle changes from 5 cm to 15 cm, how will the circumference change? A) multiplies by 1 3 B) multiplies by
andreyandreev [35.5K]
The length of a circumference: l=πD
l₁=π×5=5π
l₂=π×15=15π
Then l₂÷l₁=15π÷5π=3 and the answer is B)
5 0
3 years ago
Read 2 more answers
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