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Phoenix [80]
3 years ago
12

Please give me an answer

Mathematics
1 answer:
Reptile [31]3 years ago
4 0
I am pretty sure that it is the first choice because it is the only one that is true

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X^2+4x+3<br> --------------<br> x^2-1<br><br><br> Reduce the above expression to its lowest terms
Aleksandr-060686 [28]

Answer:

your answer is 4x+4

Step-by-step explanation:

x^2-1) x^2+4x+3 (1

x^2 -1

(-) (+)

4x+4

quotiend is 1

remainder is 4x+4

4 0
3 years ago
Read 2 more answers
Find the coordinates of the midpoint of a segment with the endpoints (12,2) and (7,9)
olga55 [171]

Answer:

(9\frac{1}{2}, 5\frac{1}{2}) or (9 1/2, 5 1/2)   (same things, just typed two different ways)

Step-by-step explanation

  I can't remember the midpoint formula so I'll use a different method to get the midpoint.  


    since the ratio of a midpoint is 1:1 and that as a fraction is 1/2, we can take these coordinates and designate which one is first and which one is second (12, 2) will be my second and (7,9) will be my first. The formula I will use will be \frac{m}{m+n} (second X, - first X) + first x, so 1/2( 12 - 7) +7. now distribute the 1/2 to both the numbers  \frac{1x12}{2}  -\frac{1x7}{2} + 7  \\ \\ 12/2 -7/2 = 5/2 + 7 = 9.5  or 9\frac{1}{2}. The same works with the Y values, which would equal up to 5.5 or 5 \frac{1}{2}

5 0
2 years ago
What's the ratio in simplest form 20 and 60
Natalija [7]
Ok so 7:12 is already in it's simplest form because there is nothing that can go into both 12 and 7 (which is a prime number). So in fraction form it would be 7/12 

<span>8:10, so a number than can go into both 8 and 10? 2 can go into 8 4 times, and 10 5 times. So the fraction would be 4/5 which is in simplest form (5 is prime) </span>

<span>25:50, again, what can go into both 25 and 50? 5 can. 5x5= 25 5x10=50. The fraction would be 5/10, which can be reduced to 1/2. </span>

<span>80:60, 10 can go into both of them. 8/6 which can be reduced to 4/3 (2 goes into 8 4 times and 2 goes into 6 3 times) </span>

<span>78:780, 2 can go into 78 32 times and can go into 780 390 times. 32/390 can be reduced to 16/195, which I believe is in it's simplest form (no number can go into both 16 or 195 evenly). </span>

<span>All the other ratios are solved similarly, so I think you can do it. </span>
<span>XD hopefully I explained it correctly, but you should also ask an adult to help you and/or correct your homework when you're done.</span>
8 0
4 years ago
Simplify this expression: -6x + 8 - 3x - 2 + 5x Question 1 options: 24x + 0 14x + 10 4x - 6 -4x + 6
yanalaym [24]

Answer:

-4x + 6

Step-by-step explanation:

First, combine all of the x terms. When you combine these terms you get -4x. Then combine the constant terms, the terms without variables that is. This gets you 6. The equation can now be written as -4x + 6.

5 0
3 years ago
Determine the value of r so that a line through the points (r,3) and (5,-4) has a slope of -1/2
CaHeK987 [17]

\bf (\stackrel{x_1}{r}~,~\stackrel{y_1}{3})\qquad (\stackrel{x_2}{5}~,~\stackrel{y_2}{-4}) \\\\\\ slope = m\implies \cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{-4-3}{5-r}=\stackrel{\stackrel{slope}{\downarrow }}{-\cfrac{1}{2}}\implies \cfrac{-7}{5-r}=\cfrac{1}{-2} \\\\\\ 14=5-r\implies 9=r

.

3 0
3 years ago
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