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krek1111 [17]
2 years ago
5

The graph of a quadratic function has y-intercept 10 and one of its x-intercepts is 1

Mathematics
1 answer:
kolbaska11 [484]2 years ago
4 0

Answer:

  c = 10

Step-by-step explanation:

For quadratic

  y = ax^2 +bx +c

the y-intercept is c.

  c = 10

_____

The y-intercept is the value of y when x=0. Using x=0 reduces the equation to ...

  y = c

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alisha [4.7K]

Answer:

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Step-by-step explanation:

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tan (x) = \frac{2}{d}\\d = \frac{2}{tan (x) }\\cot (x) = \frac{d}{2} \\d= 2cot(x)

Therefore, the distance 'd' can be expressed as d = 2cot(x) or d = 2/tan(x).

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3 years ago
You will begin with a relatively standard calculation. consider a concave spherical mirror with a radius of curvature equal to 6
vodomira [7]
We are given a concave spherical mirror with the following dimensions:

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First, we need to know the focal length, f, of the object (this should be given). Then we can use the following formulas for calculation: 

Assume f = 10 cm

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1 / 10 = 1 / 30 + 1 / d i

d i = 15 cm

Then, calculate for h i:

h i / h o = - d i / d o

h i / 6 = - 15 / 30

h i = - 3 cm

Therefore, the distance of the object from the mirror is 3 centimeters. The negative sign means it is "inverted". 
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stepan [7]

Answer:

x = 7\sqrt{2}

Step-by-step explanation:

Pytago:

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3 0
3 years ago
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Gnesinka [82]

Answer:

If one cup is 8 then 3 cups is 24

Step-by-step explanation:

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4 0
3 years ago
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