3 years ago

For which

Mathematics

1 answer:

ikadub [295]3 years ago

8 0

These seem to be unethical

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Answer:

Step-by-step explanation:

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Find the equation of the axis of symmetry of the following parabola algebraically,<br> y = 3x^2+18

-BARSIC- [3]

Answer:

Step-by-step explanation:

Vertex-form equation for vertical parabola:

y = a(x-h)² + k

with

vertex (h,k)

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Apply your equation

y = 3x² + 18

vertex (0,18)

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3 years ago

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Amiraneli [1.4K]

Answer:

-7/2

Step-by-step explanation:

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What is the value of X

alexdok [17]

Answer:

$x=12$

Step-by-step explanation:

We have been given a graph of similar triangles. We are asked to find the value of x.

Since we know that corresponding sides of similar triangles are always in same proportion, so we will use proportions to find the length of x.

$\frac{3}{x+3}=\frac{4}{16+4}$

$\frac{3}{x+3}=\frac{4}{20}$

Upon cross multiplying our equation we will get,

$4*(x+3)=3(20)$

Upon distributing 4 we will get,

$4x+12=60$

Let us subtract 12 from both sides of our equation.

$4x+12-12=60-12$

$4x=48$

Upon dividing both sides of our equation by 4 we will get,

$\frac{4x}{4}=\frac{48}{4}$

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Therefore, the value of x will be 12.

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