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Anon25 [30]
3 years ago
13

Complete the solution of the equation. Find the

Mathematics
1 answer:
Gelneren [198K]3 years ago
3 0

Answer:

y = -7

Step-by-step explanation:

If x equals -14 then you would plug it in and the equation would be -2(-14)-3y=49

The new equation would be 28-3y=49

Then you would subtract 28 from both sides and get -3y=21

Lastly you would divide both sides by -3 and get y=-7

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Wendy's bill for breakfast at a restaurant was $94.She left an18% tip. What was the amount of the tip?
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Answer:

16.92

Step-by-step explanation:

94*.18=16.92

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3 years ago
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uysha [10]
It will take approx.65 of caffeine remaining after 6 hours
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kenny6666 [7]

Step-by-step explanation:

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A car drvies at a speed of 60 mph for 30 minutes. Calculate how far it travles
Studentka2010 [4]

Answer:

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Step-by-step explanation:

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3 years ago
12. F(x) = 4x squared
Ymorist [56]

Answer:

y-intercept: y=0

axis of symmetry: x=0

vertex: (0,0)

Step-by-step explanation:

To find the y-intercept, set x = 0 and solve for y.

I am assuming f(x) = y

y=4x^2

y=4(0)^2

y=0

The y-intercept of the equation is y = 0.

Now, for the axis of symmetry, you need the equation x=\frac{-b}{2a}

In an equation.. y=ax^2+bx+c

In this case, there is only an a, so plug in the values into the equation.

x=\frac{0}{2(4)}

x=0

The axis of symmetry is x = 0.

To find the vertex, change the format of the equation from standard form to vertex form.

Vertex form: y=a(x-h)^2+k

The vertex is (h,k)

y=4x^2 = 4(x+0)^2+0

(h,k)=(0,0)

The vertex in this case is (0,0).

Graphing makes things a lot easier. If you can graph it, all you have to do is look at the graph and the answers are all there!

Hope this helped you!

6 0
3 years ago
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