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goldfiish [28.3K]
3 years ago
10

I need help please lol

Mathematics
1 answer:
butalik [34]3 years ago
4 0

For the ones that are not filled out.

1.150

2.150

3.25

4.5

5.35

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At the toy store, 3 toy cars cost $2.61. How much does it cost to buy 15 toy cars?
Masteriza [31]
Use a ratio \frac{3}{2.61}= \frac{15}{x} . 13.05 dollars.
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3 years ago
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Mylia has 20.65 m of wire. She used 15.8 m to make a sculpture. She cut the rest of the wire into 3 equal parts. What is the len
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2 years ago
PLease help me out with this...I will mark the first one as the brainiest answer.
Slav-nsk [51]
You cannot add row 2 to column 3 because they have different dimensions. You can do any of the other operations, but the only one that makes any sort of sense is ...
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It makes no sense to multiply a row by zero. That makes the entire row zero and makes the matrix useless for finding any sort of solution.

You can switch columns, but that doesn't get you any closer to a solution here.

If I were trying to find a solution, I might
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This sequence of operations will make the first column [1 0 0], reducing the problem to 2×2 from 3×3.
3 0
3 years ago
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Hey there!<br><br> Can you help me please ? Thanks!
Vinil7 [7]
A. (140x110)+[(50x70)/2] = 15,400+1750= 17,150cm^2

b. (4x6)/2= 12cm^2
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3 years ago
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Your teacher writes the fact below on the board.Using only mental math, will the answer be less than or greater than 5? How do y
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Answer:

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The eason behind the answer being less than 5 is because if you multiply something by a fraction that is less than a whole number, then you will get less than the original number you multiplied the fraction with.

Hope this helps :)

4 0
2 years ago
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