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Shkiper50 [21]
2 years ago
11

What is the mean (average) of a, a, b, b, b,c

Mathematics
1 answer:
pychu [463]2 years ago
6 0

Answer:

Ans might be a+b+c

Step-by-step explanation:

Hope the picture will help

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Divide. 21,900 / 25. Enter the exact quotient <br><br><br> Help me
andre [41]

Answer:

107 %

3 %

100 /8

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
Solve for x: -2x - 3 &gt; 97
DENIUS [597]
To solve for x, we need to get it on one side by itself, and then to make sure we are left with ONLY x, no coefficients or anything.
-2x -3 > 97.
Add 3 to both sides.
-2x > 100.
Divide both sides by -2 (remember to flip the inequality when dealing with negatives).
x < -50
I hope this helps!
6 0
2 years ago
A book sold 31,100 copies in its first month of release. Suppose this represents 7.8% of the number of copies sold to date. How
zvonat [6]
For this problem you can create a proportion.
Since 31,100 copies is 7.8% of the total copies spoke up to date you can make this proportion:
31,100. 7.8%
——— =. ———
x. 100%
Now you cross multiply and you will get
7.8x=3,110,000
After this you solve for x by isolating the variable.
7.8x/7.8. 3,110,000/7.8
x=398,717.949
Since the question asks you to round to the nearest whole number which is 7 then the final answer would be 398,718
Answer: There has been 398,718 copies sold to date.
5 0
3 years ago
Briefly describe scientific notation. how is it useful for writing large and small​ numbers? how is it useful for making​ approx
Alenkasestr [34]
Scientific notation, also called pattern or notation in exponential form, is a way of writing numbers that accommodate values too large (100000000000) or small (0.00000000001) to be written in a conventional manner.

 The use of this notation is based on powers of 104
 Example:
 Big numbers:
 100000000000 = 1 * 10 ^ {11}&#10;
 Small numbers:
 0.00000000001 = 1 * 10 ^{-11}

 However, in areas such as physics and chemistry, scientific notation is important to make approximations such as:
 mass of a proton
 mass of an electron and others.
4 0
2 years ago
Express each improper fraction as a decimal <br><br> 1.22/5
sesenic [268]

you would dived the numerator by the denominator 1.22 divided by  =0.244

7 0
3 years ago
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