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AlexFokin [52]
3 years ago
8

What is the common denominator of 2/5 and 12/20

Mathematics
1 answer:
Ksju [112]3 years ago
8 0

Answer:

I believe it would be 20.

Step-by-step explanation:

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Which equation illustrates the identity property of multiplication? (a + bi) × c = (ac + bci) (a + bi) × 0 = 0 (a + bi) × (c + d
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(a + bi) \times 1 = (a + bi)

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The identity property means that whatever you put in is whatever comes out. Notice that if we multiply 1 with any number, we get that number back. So multiplying by 1 is the identity property of multiplication.

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2 years ago
the ratio of girls to boys in the sixth grade is 5:3. If there are 400 sixth graders, how many boys are there?
PilotLPTM [1.2K]

Answer:

boys = 250

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Step-by-step explanation:

5g = 3b       eq. 1

g + b = 400       eq. 2

g = girls

b = boys

From the eq. 2

g = 400 - b

Replacing this last eq. on eq. 1:

5(400-b) = 3b

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Check:

from eq. 1

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2 years ago
Find the value of x.
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61

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