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Shalnov [3]
3 years ago
13

2/4 + 3/9 in Modeling Fractions?

Mathematics
1 answer:
horrorfan [7]3 years ago
5 0

Answer: 13/12

Step-by-step explanation:

Reduce the fraction 3/9 to the lowest terms by extracting and canceling out 3.

The least common multiple of 4 and 3 is 12. Convert 3/4 and 1/3 to fractions with denominator 12.

Since 9/12 and 4/12 have the same denominator, add them by adding their numerators.

Add 9 and 4 to get 13.

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A student gets 68 marks n therefore gets 85 percent total marks are?
mihalych1998 [28]

Answer:

There are 80 marks in total.

Step-by-step explanation:

Let the number of total marks be x.

The percentage score of the student can be written as the ratio

\displaystyle \frac{68}{x} = 85\%.

However,

\displaystyle 85\% = \frac{85}{100}.

Equating the two:

\displaystyle \frac{68}{x} = \frac{85}{100}.

Cross-multiply (that is: multiple both sides by 100x, the product of the two denominators) to get

85x = 68\times 100.

\displaystyle x = \frac{68\times 100}{85} = 80.

In other words, there are 80 marks in total.

4 0
3 years ago
On a number line 8.29 would be located..... choose all answers that make the statement true
Gala2k [10]
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nalin [4]
2•3=6
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6 0
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Compute the simplified numerical value of the expression: (4042 + 4040 + 4038 + … + 6 + 4 + 2) − (4041 + 4039 + 4037 + … + 5 + 3
Evgesh-ka [11]

Answer:

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Step-by-step explanation:

7 0
3 years ago
Evaluate the expression ab for a = 10 and b = 4.
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