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liberstina [14]
3 years ago
8

James thinks that the commutative

Mathematics
2 answers:
Amiraneli [1.4K]3 years ago
8 0

Answer:

You should really stop spamming on other peoples qustions for points if your asking them too.

Step-by-step explanation:

Youre

reported.

liubo4ka [24]3 years ago
5 0

Answer:

Step-by-step explanation:

The commutative property of multiplication explains that it doesn't matter in what order you multiply numbers, it is still same

a*b = b*a

for 4.8 x (0.5 x 2.95) =( 4.8 x 0.5 )x 2.95 = 2.4 x 2.95 so we can justify these from the the commutative property which explain that it does not matter in what order you multiply

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Step-by-step explanation:

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4 years ago
Is it true that 1 2/5 - 3/4 = 1/4 + 2/5? Prove your answer.
Harrizon [31]

Answer: Yes, it's true.

Step-by-step explanation:

The first step is to convert the mixed number 1\frac{2}{5} to a fraction. The procedure for this is:

  1. Multiply the whole number 1 by the denominator 5.
  2. Add the product obtained and the numerator 2 (This will be the numerator of the fraction).
  3. The denominator does not change. It will be 5.

Then:

1\frac{2}{5}=\frac{(1)(5)+2}{5}=\frac{7}{5}

Rewrite the equation:

\frac{7}{5}-\frac{3}{4}=\frac{1}{4}+\frac{2}{5}

Notice that the denominators on the left side are 4 and 5 and the denominator on the right side are also 4 and 5.

Then, the Least Common Denominator (LCD) on both sides is:

5=5\\\\4=2*2=2^2

LCD=5*2^2=20

Now we can solve the subtraction on the left side of the equation and the addition on the righ side:

\frac{(7*4)-(3*5)}{20}=\frac{(1*5)+(2*4)}{20}\\\\\frac{13}{20}=\frac{13}{20}

Therefore:

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Step-by-step explanation:

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