A ladder is placed 30 inches from a wall. It touches the wall at a height of 50 inches from the ground.

Mathematics

1 answer:

Aneli [31]3 years ago

8 0

Answer : 59.04 is the angle

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Rewrite the function by completing the square. h(x)= x^{2} +3 x -18 left parenthesis, x, right parenthesis, equals, x, squared,

ludmilkaskok [199]

Answer:

h(x) = (x +1.5)^2 -20.25

Step-by-step explanation:

We assume you want to rearrange h(x)= x^2 +3x -18.

Recognize the coefficient of x is 3. Add and subtract the square of half that. (3/2)^2 = 9/4 = 2.25

h(x) = (x^2 +3x +2.25) -18 -2.25

Now, write the expression in parentheses as a square, simplify the constant.

h(x) = (x +1.5)^2 -20.25 . . . . . . . . vertex form

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3 years ago

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Slav-nsk [51]

Answer:

Step-by-step explanation:

The sum of the angles of the triangle add up to 180 degrees.

x and y are equal to each other in this type of the triangle.

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2 years ago

Which ordered pair is a solution of the equation?

aleksley [76]

Answer:

Step-by-step explanation:

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Which linear equation is represented by the table?<br><br> x −2 1 3 6<br> y 7 4 2 −1

n200080 [17]

Answer:

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Step-by-step explanation:

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2 years ago

A new car was valued at $28,000, and it's value depreciated to $14,000 over the next 3 years. Use the exponential equation for d

kompoz [17]

The exponential equation (in thousands) is:
$V = 28 e^{-rt}$
plug in t=3 yrs, and solve for 'r'.
$14 = 28 e^{-3r} \\ \\ \frac{1}{2} = e^{-3r} \\ \\ ln(\frac{1}{2}) = -3r \\ \\ r = \frac{ln(\frac{1}{2})}{-3} = 0.231 = 23.1%$

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3 years ago