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3 years ago

What’s the next three after? 18,36,72,144,..

Mathematics

2 answers:

wel3 years ago

7 0

Answer:

18, 36, 72, 144, 288, 576, 1152

Step-by-step explanation:

I might be wrong but I think that is the answer

You just keep adding

For example- 72+72=144

144+144=288

288+288=576

..... and so on

IgorC [24]3 years ago

6 0

Answer: 288, 576, 1152

Step-by-step explanation: What you do here is that you multiply every number by two. You start by doing 18 times 2, which equals 36. Then you do 36 times 2, which equals 72. You keep on doing this until you get the answers needed.

Hope this helped!! :)

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3 years ago

Given f(x)=-3x+4 , what is f(2) ?

user100 [1]

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2 years ago

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Serggg [28]

Answer:

Step-by-step explanation:

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3 years ago

Given the trinomial, what is the value of the coefficient B in the factored form? 2x2 + 4xy − 48y2 = 2(x + By)(x − 4y) −12 12 −6

Sonja [21]

Answer:

B is 6.

Step-by-step explanation:

We are trying to find a value for $B$ such that:

$2x^2+4xy-48y^2=2(x+By)(x-4y)$ is true for every $x,y$ .

So let's choose $x=0,y=1$ :

$2(0)^2+4(0)(1)-48(1)^2=2(0+B(1))(0-4(1))$

$2(0)+0-48=2(B)(-4)$

$0-48=-8B$

$-48=-8B$

Divide both sides by -8:

$\frac{-48}{-8}=B$

$6=B$

$B=6$

Note: I didn't want to choose y to be 0 because the value of B would disappear from the equation. So you should be able to have chosen any x and y except for y=0 to solve the equation for B.

Check:

So let's check and use foil to multiply out the right hand side.

$(x+6y)(x-4y)$