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Aleks04 [339]
2 years ago
9

The graph of a proportional relationship contains the point (8,4)

Mathematics
1 answer:
hichkok12 [17]2 years ago
8 0

Answer:

It is A I took it but I am not sure

Step-by-step explanation:

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I'm looking at the top at 79.9 angle. I'm 100ft away. What's the height of the building?
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To solve this, notice that you have the angle component (I will call this a) and the x-component (the distance of you from the building) of a trig formula, and you are looking for the y-component. We will use the tangent formula, since this incorporates the angle, x, and y components.

1. Write the formula

tan(a) = y ÷ x

2. Rewrite to include the known values.

tan(79.9) = y ÷ 100

3. Solve for the unknown variable, y.

tan(79.9) × 100 = y ÷ 100 × 100

tan(79.9) × 100 = y

4. A fancy step that I call the "flip flop."

y = tan(79.9) × 100

5. Use a calculator to find the value (make sure the calculator is in "degree" and not "radians" mode).

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6. Round the number as is appropriate for this problem.

Have a great day!

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Answer:

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There are 110 chairs in total, hope this helps!

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If f(x) = x2 and g(x) = x - 3, then g(f(x)) = ?
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