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Zepler [3.9K]
3 years ago
10

How do i solve a question like:

Mathematics
1 answer:
Lynna [10]3 years ago
3 0
Let x be the original amount as per the ques tion (7/6) x= 420thus x=420*6/7=360thus the interest earned is 420 -360=60
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3 years ago
Simplify the expression. Write the answer using scientific notation. 0.3(8.2 x 10^-3)
olchik [2.2K]

Answer:

0.3(8.2 x 10^-3) = 2.46 X 10 ^ -3

Step-by-step explanation:

We need to solve the equation 0.3(8.2 x 10^-3) and write answer in scientific notation.

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= 0.3(8.2 x 10^-3)

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8 0
3 years ago
There are 5 times as many males as females on the maths course at university. What fraction of the course are male? Give your an
Oksi-84 [34.3K]

Answer:

5/6

Step-by-step explanation:

Let 'x' be number of females in the course

Number of males= 5x

total number of students= 5x+x

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Fraction of male students= number of male students/total number of students

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                                         = 5/6

5 0
3 years ago
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