3 years ago

What operation would I do to find the average of something?

Mathematics

1 answer:

Lady bird [3.3K]3 years ago

5 0

Sum divided by count. Add up all the numbers and divide it by how many numbers it is.

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Is this the correct answer? if not, what is it?

sergiy2304 [10]

Answer:

B. 1:2800

Step-by-step explanation:

448 / .16 = 2800

1:2800

Feel free to let me know if you need more help! :)

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3 years ago

HELP PLZ I NEED THIS DONE ASAP

kodGreya [7K]

$\text{Given that,}\\\\y^2 +9y +3 \\\\\text{when}~ y = -2,\\\\(-2)^2 +9(-2) +3 = 4-18+3 = 7 -18 = -11,$

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1 year ago

Help please!!!! Which system of equations has no solution???

brilliants [131]

Is the bottom right one

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2 years ago

A portable electronic typewriter cost £180 in 1988. Its price rose by 5% in 1989. What was the new price?

elena-s [515]

$\bf \begin{array}{|c|ll} \cline{1-1} \textit{a\% of b}\\ \cline{1-1} \\ \left( \cfrac{a}{100} \right)\cdot b \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{5\% of 180}}{\left( \cfrac{5}{100} \right)180}\implies 9~\hfill \stackrel{\textit{new price}}{180+9\implies 189}$

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3 years ago

What is the greatest common factor of 32 and 48

Bond [772]

Turn each number into the product of it's prime factors.

32=16x2=2x2x2x2x2=2^5

48=24*2=6x4x2=2x3x2x2x2

Pick the highest number that occurs. In this case it is 2. Now we have to see how many times it appears in both. It appears 5 times in 32 and 4 times in 48. 4 is the highest number of times it appears in the numbers so:

2^4=2x2x2x2=16

The Greatest Common Factor (GCF) of 32 and 48 is 16.

4 0

2 years ago

Read 2 more answers