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Novay_Z [31]
3 years ago
5

Please help with real answer :-(

Mathematics
1 answer:
stiv31 [10]3 years ago
5 0

Answer:

B

Step-by-step explanation:

subtract the function of h by the real number and write it in form of inequality

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Identify the underlined place in 83.5851. Then round to the nearest thousandth
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Find the vertex and length of the latus rectum for the parabola. y=1/6(x-8)^2+6
Ivan

Step-by-step explanation:

If the parabola has the form

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

then its vertex is located at the point (h, k). Therefore, the vertex of the parabola

y = \dfrac{1}{6}(x - 8)^2 + 6

is located at the point (8, 6).

To find the length of the parabola's latus rectum, we need to find its focal length <em>f</em>. Luckily, since our equation is in vertex form, we can easily find from the focus (or focal point) coordinate, which is

\text{focus} = (h, k +\frac{1}{4a})

where \frac{1}{4a} is called the focal length or distance of the focus from the vertex. So from our equation, we can see that the focal length <em>f</em> is

f = \dfrac{1}{4(\frac{1}{6})} = \dfrac{3}{2}

By definition, the length of the latus rectum is four times the focal length so therefore, its value is

\text{latus rectum} = 4\left(\dfrac{3}{2}\right) = 6

5 0
3 years ago
A certain number was divided by 3 and 3 was added to the result. The final answer was 8 what was the number​
nevsk [136]

Answer:

15

Step-by-step explanation:

x/3 + 3 = 8

x/3 + 9/3 = 8

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2 years ago
What is the equation of a line that has a y-intercept of 4 and an x-intercept of -2?​
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Answer:

y = 2x + 4

Step-by-step explanation:

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Thus, the slope of this line is m = rise / run =  4/2 = 2

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y = 2x + 4

6 0
3 years ago
Work out the area of this shape
amm1812

Answer:

1000

Step-by-step explanation:

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3 years ago
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