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elixir [45]
2 years ago
5

Here are two number machines, A and B.

Mathematics
1 answer:
Troyanec [42]2 years ago
7 0

Answer:

Step-by-step explanation:

We can write them both like functions like this

Where

x=input

A=Output A

B=Output B

We want the output of A 3 times the output of B this can be written like this:

we replace with the functions

we solve for x

The output that makes the out put of A 3 times teh output of B is

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2 years ago
A recipe calls for 2 1/2 cups of flour. If I already added 3/4 of a cup of flour, how much more flour would I need to add?
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Find the x-intercepts of the parabola with vertex (1, -9) and y intercept at (0, -6).
weqwewe [10]
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So firstly, plug the vertex into the vertex form: y=a(x-1)^2-9

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<u>Now we know that our equation is y = 3(x - 1)^2 - 9.</u>

Now to solve for the zeros (x-intercepts). Set y to 0 and add 9 to both sides of the equation: 9=3(x-1)^2

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Next, square root both sides: \pm\sqrt{3}=x-1

Next, add 1 to both sides: 1\pm\sqrt{3}=x\\2.73,-0.73=x

<u>Your x-intercepts are (-0.73,0) and (2.73,0), or B.</u>

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3 years ago
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Answer:

Step-by-step explanation:

https://drive.google.com/open?id=1QAvmjDjuwgFX0mUdHlWmqMSCJcOVMw2X

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