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scZoUnD [109]
4 years ago
13

(u+v)*2+2(u+v)-3factorise it completely it's a challenge ​

Mathematics
1 answer:
lions [1.4K]4 years ago
3 0

If you mean

(u+v)^2+2(u+v)-3

you can first substitute x=u+v to get

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

and so

(u+v)^2+2(u+v)-3=\boxed{(u+v+3)(u+v-1)}

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Nika rolls an 8-sided cube with faces numbered 1 through 8. Which of the following statements is true?
andreyandreev [35.5K]

Answer: Statement 2 (P(odd number) = 1/2) is true

Step-by-step explanation:

Statement 1: there are 4 even numbers (2, 4, 6, 8) so therefore a 1/2 chance, not a 1/8. [FALSE]

Statement 2: there are 4 odd numbers (1, 3, 5, 7) so therefore a 1/2 chance, so this is true. [TRUE]

Statement 3: 8 is the biggest number, so there are 7, not 1, numbers less than it. [FALSE]

Statement 4: there is no 9 on an 8 sided cube. [FALSE]

8 0
3 years ago
What is 7 times 5 to the third powder
natita [175]

Answer:

875

Step-by-step explanation:

7*5^3=875

6 0
3 years ago
Can someone please turn this into a equation and then solve it plz it’s due tommorow
Nikolay [14]
2x + 2*(2x-5) = 38 is the equation

solving it

2x + 4x - 10 = 38
6x = 48
x = 8
3 0
3 years ago
Which function could produce the graph shown below?
Naily [24]

Answer:

It is the third option. I just got it correct.

Step-by-step explanation:

4 0
3 years ago
5 apples cost $2.00, how much will 15 apples cost?
Allisa [31]
So, 5 apples costs $2.00
5 goes into 15, 3 times ( 5 x ? = 15 ...   5 x 3 = 15)
So now since we multiplied 5 by 3, we have to do the same thing to the $2.00
So, $2.00 x 3 = $6.00
The answer is $6.00!!!
Hope this helped!
6 0
3 years ago
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