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vovikov84 [41]
3 years ago
12

Thirty times the square of a non-zero number is equal to 8 times the number. What is the number?

Mathematics
1 answer:
borishaifa [10]3 years ago
6 0
Need help ask me anything

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21. George had $180. He spent
Romashka [77]

Answer:

$135

Step-by-step explanation:

180÷4=45

45×3=135

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3 years ago
Read 2 more answers
find rodrigos percent increase or decrease in sales each week. week 1, is 17 wwek 2, is 25 week 3, is 18 and week 4, is 27. his
sveticcg [70]
<span>Answer: The multiplication factor of increase should be inverse of the multiplication factor of decrease.

    e.g. Say you have a number 100. You increase it by 25%. The multiplication factor is 5/4 i.e. when you multiply 100 by 5/4, you get 100*5/4 = 125. This is 25% more than 100. Now you want to decrease it by a certain % such that you get 100 back. Basically, 100*5/4 * x = 100 So x = 4/5 (inverse of 5/4) Hence, you decrease by 20% (the multiplication factor of 20% is 4/5) or Use this formula: cumulative % change = a + b + ab/100 You want the cumulative change to be 0. a + b + ab/100 = 0 If you know that you are increasing by 25% and want to find the % by which you should decrease to get the same number, 25 + b + 25b/100 = 0 5b/4 = -25 b = -20 So you need to decrease (hence you get the -ve sign) by 20%.</span>
3 0
3 years ago
Help me answer this pls​
stira [4]

Answer:

x=5

Step-by-step explanation:

From this information we know that,

5x - 6 = 3x + 4  \\ 5x - 3x = 4 + 6 \\ 2x = 10 \\ x = 5

Hope it helps :)

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3 years ago
Ms. Roberts makes bouquets of flowers. Every bouquet of flowers she makes includes 8 flowers. The table below shows the number o
alukav5142 [94]
She made 28 bouquets of flowers!
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3 years ago
I will love and rate 5.0 if done correctly with no images and no trolling for answer.
Murljashka [212]
The correct answer should 4% because the ratio is 3 out of 75 which would leave 72 non-defective bulbs. So your answer is 4%
5 0
3 years ago
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