3 years ago

I need help with this someone explain please fractions math

Mathematics

1 answer:

Nookie1986 [14]3 years ago

5 0

[deleted due to wrong answer]

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Who else hates it when they take down your questions?

True [87]

Lol ikr

Some people are lucky their question stays for more than a week. And their question is useless

Unfair. Always

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3 years ago

A salvage ship’s sonar locates wreckage at a 12 degree angle of depression. A diver is lowered 40 meters to the ocean floor. How

Dennis_Churaev [7]

Answer: First option is correct.

The diver need to walk 188.2 units along the ocean floor to the wreckage.

Step-by-step explanation:

Since we have given from the figure shown below:

$AB=40\text{ meters}\\\\\theta=\angle {ACB}=12\textdegree$

Consider ΔABC,

$tan\theta=\frac{AB}{BC}\\\\tan12\textdegree=\frac{40}{BC}\\\\BC=\frac{40}{tan12\textdegree}\\\\BC=\frac{40}{tan{12\textdegree}\\\\BC=188.2\text{ units}$

So, the diver need to walk 188.2 units along the ocean floor to the wreckage.

Hence, First option is correct.

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4 years ago

Read 2 more answers

What is an angle that is supplementary to ∠3?

dezoksy [38]

Answer:

Do you have a picture?

Step-by-step explanation:

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3 years ago

Read 2 more answers

Write the slope-intercept form of the equation of the line through the given points:

vredina [299]

Answer:

equation of line

x-2y=8

Step-by-step explanation:

equation of line in slope intercept form

(y-y1)={(y2-y1)/(x2-x1)}(x-x1)

or,(y+3)={(-5+3)/(-2-2)}(x-2)

or,(y+3)=(1/2)(x-2)

or,2y+6=x-2

or,6+2 =x-2y

or,x-2y=8

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3 years ago

the square of 9 more than a number is equal to 9 more than the square of the number. what is the number?

AnnZ [28]

(x+9)^2 = x^2 +9
x^2 +18x + 81 = x^2 +9
18x = -72
x = -4

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3 years ago