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Valentin [98]
3 years ago
9

An engineer is standing 10 meters away from a building. When she looks up at the top of the building, she measures the angle fro

m the ground to the top of the building to be 60. What is the height of the building (as a decimal)?
Mathematics
1 answer:
icang [17]3 years ago
4 0

Answer:

Step-by-step explanation:

If the height of the building is x

Tan 60°= x/10

1.732 x 10 =x

Height of the building is = 17.32m

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A line passes through (8,-4) and has slope 2/3. What is an equation in point slope form of the line? An equation of the line is?
QveST [7]

Answer:

The point slope form of the line would be y + 4 = 2/3(x - 8) and the equation of the line would be y = 2/3x - 28/3

Step-by-step explanation:

To find the point-slope form of the line, start with the base form of point-slope form. Then input the point we have and the slope in the appropriate places.

y - y1 = m(x - x1)

y - -4 = 2/3(x - 8)

y + 4 = 2/3(x - 8)

Now to find the slope intercept form, you simply  need to solve for y.

y + 4 = 2/3(x - 8)

y + 4 = 2/3x - 16/3

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No, the TI-36X Pro is not allowed on the PSAT, as it is not found on the list of acceptable calculators. 
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