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3 years ago

8

The table shows the five most populated countries in the world. How many times as many people live in China then in the United S

tates? Round to the nearest 10th if necessary.

2 answers:

Lemur [1.5K]3 years ago

8 0

About 4 times as much

svlad2 [7]3 years ago

5 0

The answer is about 4 times as many people live in China then in the United States

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elena-s [515]

The equation of line perpendicular to given line is:

$y = \frac{2}{3}x-1$

Step-by-step explanation:

Given equation is:

$3x+2y = -8$

First of all, we have to find the slope of the given line

So,

$3x+2y = -8\\2y = -3x-8\\$

Dividing both sides by 2

$\frac{2y}{2} = \frac{-3x-8}{2}\\y = \frac{-3x}{2} - \frac{8}{2}\\y =-\frac{3}{2}x-4$

As the equation is in slope-intercept form, the co-efficient of x will be the slope of the line

$m_1 = -\frac{3}{2}$

As we know that product of slopes of two perpendicular lines is -1

Let m-2 be the slope of line perpendicular to given line

$m_1.m_2 = -1\\-\frac{3}{2} . m_2 = -1\\m_2 = -1 * -\frac{2}{3}\\m_2 = \frac{2}{3}$

Slope-intercept form is:

$y = m_2x+b$

putting the value of the slope

$y = \frac{2}{3}x+b$

Putting the point (3,1) in the equation

$1 = \frac{2}{3}(3) +b\\1 = 2 + b\\b = 1-2\\b = -1$

Putting the value of b

$y = \frac{2}{3}x-1$

Hence,

The equation of line perpendicular to given line is:

$y = \frac{2}{3}x-1$

Keywords: Slope-intercept form, slope

Learn more about equation of line at:

#LearnwithBrainly

8 0

3 years ago

Which line has an undefined slope?

zvonat [6]

(VUX) the slope is is on the x-axis
If it’s on the x-axis then it’s undefined

8 0

3 years ago

The perimeter of the square park is 240m, then the side of the square park is _______.

Colt1911 [192]

Step-by-step explanation:

A square's perimeter consists of 4 equal sides.

Therefore side of square park = 240m/4 = 60m.

8 0

3 years ago

Read 2 more answers

HELP SOON!!!! Zahra wants the equation below to have an infinite number of solutions when the missing number is placed in the bo

marin [14]

Answer:

Your answer is -3

Step-by-step explanation:

I had this on a test and i got it

plz mark brainliest

5 0

3 years ago

Read 2 more answers

I WILL MARK BRAINLIEST

Korvikt [17]

Answer:

I believe the answer is A. 15-(3xy)

Step-by-step explanation:

The expression you are given is 15-(yx3) and option A is 15-(3xy). All they did was flip the values in the parentheses. It doesen't matter what value is first because the negative sign will be distributed to everything in the parentheses.

Hope this helps!!

Mark me brainliest please!

8 0

2 years ago