2 years ago

What comes after 5,10,20,40,80...

Mathematics

1 answer:

fgiga [73]2 years ago

7 0

It is just doubled the number before so the next number would be 160, then it would be 360, 720, etc..

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Andy completes the square for the equation x2 + 6x - 8 = 0. Which of the following equations reveals the vertex of the parabola?

Stolb23 [73]

If the equation $x^2+6x-8$ has undergo completing the square, the answer would be:
$x^2+6x-8
$
$x^2+6x+9-8-9$
**In this example, since 6x is the middle term, what comes to my mind is the polynomial (x+3) because 2ab results into 6x. [from the special products lesson $(a+b)^2=a^2+2ab+b^2$ ]
$(x+3)^2 -17 = 0$
So if the equation is equal to y, then this equation's
$y+17=(x+3)^2$
The vertex would be on the point (-3, -17)

3 0

2 years ago

Read 2 more answers

Sergei says that 10% of a number will always be less than 20% of any other number.

11111nata11111 [884]

That's false.
Let's see an instance:
10% of 300=30
20% of 100=20
It doesn't work here so it's false

5 0

2 years ago

Last month, a factory produced 800 television sets. This month, the same factory produced 1,064 television sets. The increase in

Harlamova29_29 [7]

Your answer is 264
1,064 - 800= 264

5 0