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3 years ago

I need help please?!!!!

Mathematics

1 answer:

shusha [124]3 years ago

5 0

Answer:

n = -6

Step-by-step explanation:

-3n + 9 = 27 (Given)

-3n + 9 - 9 = 27 - 9 (Subtraction Property of Equality)

-3n = 18 (Simplify)

$\frac{-3n}{-3} = \frac{18}{-3}$ (Division Property of Equality)

n = -6 (Simplify)

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Rewrite each fraction with a denominator of 10 7/2 3/5

Vaselesa [24]

Answer:

$\frac{7}{2}=\frac{35}{10}$

$\frac{3}{5}=\frac{6}{10}$

Step-by-step explanation:

Given the fraction

$\frac{7}{2}$

Multiplying numerator and denominator by 5

$\frac{7}{2}\times \frac{5}{5}$

$=\frac{35}{10}$

Therefore,

$\frac{7}{2}=\frac{35}{10}$

Similarly,

Given the fraction

$\frac{3}{5}$

Multiplying numerator and denominator by 2

$\:\frac{3}{5}\times \:\frac{2}{2}$

$\frac{3}{5}\times \:\frac{2}{2}=\frac{6}{10}$

Therefore,

$\frac{3}{5}=\frac{6}{10}$

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3 years ago

What is the quotient of the fractions below? 7/2 divided by 1/3

notsponge [240]

21/2 is what you should get if you divide those two

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2 years ago

WILL MAKE BRAINLIEST!!

Grace [21]

Here you go
1) -1
2)-4,4

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3 years ago

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Answer:

I'm pretty sure its $19.65

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3 years ago

Matthew wants to estimate the mean height of students attending his college. He records the heights of 100 randomly selected stu

Mnenie [13.5K]

The correct option that shows the population of the research carried out by Matthew is;

Option D; all the students attending the college

We are told that Matthew wants to estimate the mean height of students attending his college.

Now, let us say the total number of students in his college is x. If he decides to select 100 students randomly to record their height, it means this 100 students is a sample out of the total number of students which is x that is the population.

In conclusion, we can say that the population of this research by Matthew is the total number of students that attend the college.

Read more at; brainly.com/question/6028584

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2 years ago