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PolarNik [594]
3 years ago
13

What is the answer to: 20*5 thank you very much

Mathematics
1 answer:
Digiron [165]3 years ago
3 0
20 times 5 is 100. We can multiply 2*5 and get 10, then add another zero to make it easier. 
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Ill give brainliest I really need help but all of the answers are on chegg so does anyone have a chegg account that I can use?
Archy [21]

Answer:

No, but you could just ask the question here....

Step-by-step explanation:

Sorry, i don't.

What's da Q?

4 0
3 years ago
Factorise fully x^3-x
MA_775_DIABLO [31]

Answer:

x(x+1)(x-1)

Step-by-step explanation:

We see that the two terms share an x, so we can pull that out:

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

Now notice that we have a difference of squares (x^2-1). Given a difference of squares, a^2-b^2, this can always be factored into (a+b)(a-b). We can use this in this case: x^2-1=(x+1)(x-1).

So, our final factorized form is: x(x+1)(x-1).

Hope this helps!

3 0
3 years ago
Solve triangle ABC if AB=24.6, BC=29.7, and CA=30
PtichkaEL [24]
Triangle ABC equals 84.3
8 0
3 years ago
Evaluate 13 - x when x = 9.
gulaghasi [49]

Answer:

13 - x  \\ here \: given \: that \: x = 9 \\ then \\ 13 - 9 = 4 \\ thank \: yo

4 0
3 years ago
Solve each system by substitution.<br> 1) y = 2x + 2<br> y = -5x + 16
dalvyx [7]

Answer:

y = 6

x = 2

Step-by-step explanation:

rearrange the first equation in terms of x

x = (y - 2)/2

substiute x in the second equation

y = -5[(y-2)/2] +16

Now simpilify and solve for y

y = (-5y + 10)/2 +16

y = -5/2y + 5 + 16

y + 5/2y = 5 + 16

3.5y = 21

y = 6

Now substitue y in the first equation to solve for x

x = (6 - 2)/2

x = 2

5 0
3 years ago
Read 2 more answers
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