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AleksandrR [38]
4 years ago
6

Please help ASAP!!! Part A and B!!

Mathematics
1 answer:
katovenus [111]4 years ago
8 0
A. Team B. 
B. Team C.
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The mean of 100 numerical observations is 51.28 what is the value of the sum of all 100 numbers
zlopas [31]
\dfrac{x_1+x_2+\cdots+x_{99}+x_{100}}{100}=51.28

which means the sum of the 100 numbers must be

x_1+x_2+\cdots+x_{99}+x_{100}=100\times51.28=5128
8 0
3 years ago
What is the center of the circle that has a diameter whose endpoints are (9, 7) and (-3, -5)?
Naddika [18.5K]

Answer:

(3, 1)

Step-by-step explanation:

Midpoint of the diameter is the center

Since endpoints are (9, 7) and (-3, -5)

Midpoint will be:

  • ((9 - 3)/2, (7-5)/2) = (3, 1)

So the center is (3, 1)

8 0
3 years ago
Read 2 more answers
It says solution to the equation as a decimal q-1.8+1.8=14+1.8
Zielflug [23.3K]
Q-1.8+1.8=14+1.8= Q=15.8 hope this helps
6 0
3 years ago
HURRY PLEASE WILL GIVE BRAINLIEST
BigorU [14]

Answer:

graph c

Step-by-step explanation:

7 0
3 years ago
Amrita is 8 years elder to her brother Aman. If the ratio of their ages is 7 : 3, find their present ages?​
viktelen [127]

Answer:

Amrita = 14 years old

Aman = 6 years old

Step-by-step explanation:

Find out the difference of the units.

7 - 3 = 4

Amrita is 4 units/8 years older than Aman.

4 units = 8

1 unit = 8 ÷ 4 = 2

Amrita is 7 units and her brother is 3 units.

Amrita = 7 units x 2 = 14

Aman = 3 units x 2 = 6

6 0
3 years ago
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