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NeTakaya
3 years ago
12

Simplify this expression (2c-7)(-7)

Mathematics
1 answer:
nevsk [136]3 years ago
7 0
<span>(2c-7)(-7)
= -24c+49

Hope this helps!</span>
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Find the distance between the two points.
Law Incorporation [45]

Answer:  89 will go in the box

This means the exact distance between the two given points is \sqrt{89} which approximates to roughly 9.4339811

===========================================================

Explanation:

To get that answer, we can apply the distance formula

(x1,y1) = (-1,-5) is the first point

(x2,y2) = (4,3) is the second point

Plug the coordinates into the distance formula

d = \sqrt{(x_1 - x_2)^2 + (y_1 - y_2)^2}\\\\d = \sqrt{(-1-4)^2 + (-5-3)^2}\\\\d = \sqrt{(-5)^2 + (-8)^2}\\\\d = \sqrt{25 + 64}\\\\d = \sqrt{89}\\\\d \approx 9.4339811\\\\

--------------------------

Alternative Method:

You could also form a right triangle by adding the point (4, -5). The horizontal leg goes from (-1,-5) to (4,-5) which is a span of 5 units. The vertical leg goes from (4,-5) to (4,3) which is a span of 8 units. The hypotenuse is from (-1,-5) to (4,3) which is the distance we want to find.

After forming the triangle and determining the leg lengths, use the pythagorean theorem and you should get \sqrt{89} as the length of the hypotenuse. As you can probably guess, the distance formula is effectively a slight rephrasing the pythagorean theorem.

8 0
3 years ago
If it's 11:50 A.M. right now, what time will it be, in 25 minutes?
Helga [31]
The answer is 12:15 A.M.
7 0
3 years ago
Read 2 more answers
In a recent census, New York City had a population of 8,336,697 people, and an area of 302.64 square miles, while London had a p
hichkok12 [17]
8,336,697 / 302.64 = <span>27547 (approximately) 
The population density to the nearest person of NYC is 27,547 people per square mile. 

3,792,621 / 469 = </span><span>8087 (approximately)
</span>The population density to the nearest person of London is 8,087 people per square mile. 
5 0
4 years ago
Read 2 more answers
I NEED HELP
kobusy [5.1K]

I hope this helps, sorry for my messy handwriting. If you have any questions feel free to ask me!

3 0
4 years ago
If it is 0.5 miles from the White House to the Washington Monument and 1.2 miles from the Washington Monument to the Capitol, ho
Afina-wow [57]
If you would like to know how far is it from the White House to the Capitol, you can calculate this using the following steps:

0.5 miles + 1.2 miles = 1.7 miles

Result: There is 1.7 miles from the White House to the Capitol.
6 0
3 years ago
Read 2 more answers
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