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tino4ka555 [31]
3 years ago
8

A/5 divided by 3/10a if a does not equal 0? What is the answer?

Mathematics
1 answer:
lidiya [134]3 years ago
5 0

Answer:

The answer is \frac{2}{3}

Step-by-step explanation:

When we divide two fractions, we multiply the numerator by the inverse of the denominator. So

\frac{\frac{a}{5}}{\frac{3a}{10}} = \frac{a}{5} \times \frac{10}{3a} = \frac{10*a}{5*3a} = \frac{10a}{15a} = \frac{2}{3}

The answer is \frac{2}{3}

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skad [1K]

V = 36 pi centimeters cubed

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Sasha found the product of 1/8 x 40 to be 5. Use that information to find the product of 7/8 x 40 for
ANEK [815]
The answer is 35.

7/8 x 40 = 280/8 = 35
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3 years ago
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Select the proper order from least to greatest for 2⁄3 , 7⁄6 , 1⁄8 , 9⁄10 . A. 2⁄3 , 9⁄10 , 7⁄6 , 1⁄8 . B. 7⁄6 , 9⁄10 , 2⁄3 , 1⁄
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The correct answer is B.
\frac{7}{6}
is greater then one, 9/10 is only slightly less than one, 2/3 is a little more than half, and 1/8 is the smallest number.
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3 years ago
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If an object has a Mass of 11g and a volume fo 13mil, what is its density?
tino4ka555 [31]

Step-by-step explanation:

Mass (m) = 11 g

volume (v) = 13 ml

density (d) = ?

We know density is defined as mass per unit volume so

d = m / v

= 11 / 13

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Question 3
DENIUS [597]

Answer:

The best course grade your friend can earn is 0.867 = 86.7%.

The minimum score would your friend would need on the final to earn a 75% for the course is of 0.61 = 61%.

Step-by-step explanation:

This is a weighed average problem, in which we multiply each grade by its weight.

We have that:

In 70% of the course, the friend has a grade of 81%.

In the other 30%, he will have x.

What is the best course grade your friend can earn?

This will happen if he earns 100% = 1 on the final test. So

G = 0.7*0.81 + 0.3*1 = 0.867

The best course grade your friend can earn is 0.867 = 86.7%.

What is the minimum score would your friend would need on the final to earn a 75% for the course?

This is x, when the grade is 0.75. So

0.75 = 0.7*0.81 + 0.3x

0.3x = 0.75 - 0.7*0.81

x = \frac{(0.75 - 0.7*0.81)}{0.3}

x = 0.61

The minimum score would your friend would need on the final to earn a 75% for the course is of 0.61 = 61%.

7 0
3 years ago
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