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Dahasolnce [82]
3 years ago
11

There are about 6 billion people on Earth. If they all lined up and held hands, how long of a line would they form in km? (Assum

e each person is 1 meter apart.)
Mathematics
1 answer:
Zina [86]3 years ago
3 0
If they all lined up and held hands, the line will be 6 billion meter apart.
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Graph a line that contains the point (-5,-3) and has a slope of -2
Tpy6a [65]

Answer:

-->

Step-by-step explanation:

Graph (-5,-3) and use the slope, -2, to find another point. -2 can also be written as -\frac{2}{1}

\frac{rise}{run} =\frac{-2}{1} and  \frac{rise}{run} =\frac{2}{-1} **

Use both. This works because either way, they will lie on the same line with the same slope. So, starting at (-5,-3), go down two points (-)* and to the left 1 (+)*, then, starting at (-5,-3) again, go up two points (+)* then to the right 1 point (-)*.

* If the number is negative, you either go down or to the right. If the number is positive, you go up and to the left.

**Rise over run refers to the change in the y-axis and the change in the x-axis: \frac{rise}{run} =\frac{y-axis}{x-axis}. Only one number is negative because, if both were negative, that would make a positive number, but the slope is -2, not 2.

Another way you could do this is by finding points first. All you need to do is turn the slope into a "point". Remember, 2 is the y and 1 is the x:

-2=-\frac{2}{1} = (1,-2) and (-1,2)

Then, using (-5,-3) and your new points, add them separately:

(-5,-3)+(1,-2)\\(-5+1,-3+(-2))\\(-5+1,-3-2)\\(-4,-5)

(-4,-5) is one point

(-5,-3)+(-1,2)\\(-5+(-1),-3+2)\\(-5-1,-3+2)\\(-6,-1)

(-6,-1) is another point. Connect the three points. You can check your work on the graph:

3 0
3 years ago
Find the area of the rectangle <br>Pls hurry and answer!!​
lana [24]

Answer:

5.4

Step-by-step explanation:

3/5 x 9 is 5.4. To find the area of a rectangle you need to multiply the length times the width.

4 0
2 years ago
Hottest centralisation​
dsp73

Answer:

centralisation mean a direction explain that we often  a high how well we cancan predict future actions of others.

Step-by-step explanation:

6 0
2 years ago
Your height is 5 feet and 1 5/8 inches, Your friend's height is 5.6 feet. who is taller explain.
Luda [366]
\frac{5}{8}=0.625

You are 5.625 inches.

5.625 > 5.6

You are taller.
6 0
3 years ago
What is the inverse of the function f(x) = 4x + 8?
Step2247 [10]

Answer:

h(x) = (1/4)x - 2 which is choice A

Step-by-step explanation:

Replace f(x) with y. Then swap x and y. Lastly, solve for y to get the inverse.

f(x) = 4x+8

y = 4x+8

x = 4y+8

x-8 = 4y

4y = x-8

y = (x-8)/4

y = x/4 - 8/4

y = (1/4)x - 2

h(x) = (1/4)x - 2

3 0
3 years ago
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