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3 years ago

5/-6+10i what is the answer to this

Mathematics

1 answer:

iren [92.7K]3 years ago

3 0

The answer is -5(3 + 5i)/68

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A person is standing 50 ft from a statue. The person looks up at an angle of elevation of 8 degrees when staring at the top of t

borishaifa [10]

The height of the statue is 19.5 feet.

Why?

We can solve the problem using trigonometric formulas. In this case, we are going to use the trigonometric formula of the tangent.

We know that the person is standing 50ft from the statue, so, it will be the base of the two triangles formed by both angles (elevation and depression)

Using the trignometric formula, we have:

First triangle:

$tg(\alpha )=\frac{h_{1}}{base} \\\\tg(8\°)=\frac{h_{1}}{50ft}\\\\0.14*50ft=h_1\\\\h_1=7ft$

Second triangle:

$tg(\alpha )=\frac{h_{2}}{base} \\\\tg(14\°)=\frac{h_{1}}{50ft}\\\\0.25*50ft=h_1\\\\h_1=12.5ft$

Now, the total height of the statue will be:

$TotalHeight=h_1+h_2=7ft+12.5ft\\\\TotalHeight=19.5ft$

Have a nice day!

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3 years ago

Use the model below to write and solve equation

Pepsi [2]

Answer is:

X is 1, very simple

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3 years ago

Am I right or wrong (don't answer the last one!)

S_A_V [24]

Answer:

1) Distributive Property of Multiplication (The terms are distributed)

2) Addition property of equality (Adding 14 to both sides)

3) Simplifying (We simplified the expression)

4) Division property of equality (Dividing both sides by 6)

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If John owes 300 dollars and pays 50 a week what are the dependent and independent variables

podryga [215]

300 dollars would be the independent variable and 50 dollars a week is dependent

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What are the solutions of the inequality? x/5 _>-2

nata0808 [166]

X is greater than -10

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