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Alex Ar [27]
3 years ago
8

(r-s)2=(___)2-(___)rs+s2

Mathematics
1 answer:
nasty-shy [4]3 years ago
7 0
(r-s)² = r² - 2rs +s²
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Solve each quadratic equation.<br> a) 2(x + 5) (2x - 3) = 0
damaskus [11]

Answer:

{4x}^{2}  + 14x - 30 \\

Step-by-step explanation:

2(x + 5)(2x - 3)\\ (2x + 10)(2x - 3)\\ 2x(2x - 3) + 10(2x - 3)\\ 4 {x}^{2}  - 6x + 20x - 30\\  {4x}^{2}  + 14x - 30\\

8 0
3 years ago
What is the slope of the line on the graph?<br> Enter your answer in the box.
Firlakuza [10]

Answer:

I think this is the answer you are looking for. (See below)

Step-by-step explanation:

From the given graph it is noticed that the line is passing through many points.

The coordinates of three given points are (1,5), (-1,-1), (-1,-7)

If a line passing through two points (x1 ,y1) and (x2, y2) , the slope of the lie is defined by, m= y2 - y1/x2 - x1

The line passing through two points (-1,1) and (1,5). So the slope of the line is, m= 5 - 1 / 1 minus -1

m=4/2

Therefore, the slope of the line is 2.

Pls if this is wrong, let me know in the comments. I'm not really good at this topic in math but I hope it helps you. Sorry if it is wrong. Have a good day. :)

6 0
3 years ago
Maker the subject of this formula.<br> V = ³√p+r?
Alla [95]

Answer:

here's the answer I have in the photo and solution too

4 0
2 years ago
What are the quotient and remainder when 777 is divided by 21?
DIA [1.3K]
777 divided by 21 = 34 with a remainder of 3
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3 years ago
What is the slope of a line that is perpendicular to the line y = -1/4 -1<br>​
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Y = 4x - 1

The slope here is “4”
8 0
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