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tresset_1 [31]
3 years ago
14

Consider this expression...

Mathematics
1 answer:
Gemiola [76]3 years ago
6 0

Answer:

\frac{3x}{x + 2}  +  \frac{4x}{x - 2}  \\  \frac{(3x(x - 2) + (4x(x + 2))}{(x + 2)(x - 2)}

(3x²-6x+4x²+8x)/(x²-2²)

(7x²+2x)/(x²-4)

comparing with

ax²+bx/x²+c

we get

a=7

b=2

c=-4

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What is a counterexample to the conditional statement?
posledela

Answer:

The number 9 is greater than 1 and less than 10, while its factors are 1, 3 and 9, therefore it is a counter example to the statement.

Step-by-step explanation:

There are four odd numbers between 1 and 10, they are: 3, 5, 7 and 9. Let's check the factors for each of them.

For 3:

\frac{3}{1} = 3\\\frac{3}{3} = 1

Therefore 3 is not a counter example to the statement, because it behaves as stated.

For 5:

\frac{5}{1} = 5\\\frac{5}{5} = 1

Therefore 5 is not a counter example to the statement, because it behaves as stated.

For 7:

\frac{7}{1} = 7\\\frac{7}{7} = 1

Therefore 7 is not a counter example to the statement, because it behaves as stated.

For 9:

\frac{9}{1} = 9\\\frac{9}{3} = 3\\\frac{9}{9} = 1\\

Therefore 9 is a counter example to the statement, since it can be divided by 1, 3 and 9.

6 0
3 years ago
Look at the image and thank you
White raven [17]

Answer:

420

Step-by-step explanation:

35*24 1/2 base * height

3 0
3 years ago
Is (-2,7) (6,2) (3,13) (-8,-2) a function?​
nikitadnepr [17]

Answer:

No it is not a function.

Step-by-step explanation:

Hope it helped!

7 0
3 years ago
5. increase £101 by 16%
Svetlanka [38]
There is a very simple way of dealing with percentages.
"increase" means add
"decrease/discount/reduce" means subtract
Now, we know that the original price is 100%. 
100% = 1 (like 50% = 0.5)
So if an object's price is x and it is 20% off, we get:
100%x - 20%x
Taking x common,
x(100% - 20%)
= 0.8x
Therefore, if we fist add/subtract the percentages we can multiply directly with the original to get the answer. This is as follows:
5] Increase 101 by 16%
1 + 0.16 = 1.16
So the answer is:
101 * 1.16
= 117.16
6] Decrease 36 by 21%
1 - 0.21 = 0.79
The answer is:
36 * 0.79
= 28.44
7] Let original price be x, we know it is 35% off
1 - 0.35
= 0.65
0.65x = 13
x = 20
7 0
3 years ago
7 in<br> are<br> 9 in<br> 11 in<br> 15 in
g100num [7]

Answer: 11 in

Step-by-step explanation: Hope this help :D

4 0
3 years ago
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