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cupoosta [38]
2 years ago
12

Please help!!!!!!!!!!!

Mathematics
2 answers:
Margaret [11]2 years ago
8 0
I agree with the answer above
liq [111]2 years ago
5 0
It should be this y=1/2x+3
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A lighthouse keeper views a small boat at an angle of depression of 62 degrees. The boat is 446 feet away from the base of the l
Genrish500 [490]

Answer: the height of the lighthouse is 838.8 feet

Step-by-step explanation:

The right angle triangle ABC illustrating the scenario is shown in the attached photo.

The angle of depression and angle A are alternate angles, hence, they are the equal.

The height, h of the lighthouse represents the opposite side of the right angle triangle. The distance of the boat from the foot of the lighthouse represents the adjacent side of the right angle triangle.

To determine h, we would apply

the tangent trigonometric ratio.

Tan θ, = opposite side/adjacent side. Therefore,

Tan 62 = h/446

h = 446tan62 = 446 × 1.8807

h = 838.8 feet to the nearest tenth.

4 0
3 years ago
PLEASE HELP ASAPPPPPPPPPPPPPi
vagabundo [1.1K]

Answer:

I think it is a but it is hard to see

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
The density of a certain material is such that it weighs 71 pounds for every 2.5 gallons of volume. Express this density in tons
kvasek [131]

Answer:

d=3.75\ \text{tons per cubic meter}

Step-by-step explanation:

Given that,

Mass of a certain material, m = 71 pounds

Since, 1 ton = 2000 pounds

71 pounds = 0.0355 ton

Volume of the material, V = 2.5 gallons

Since, 1 m³ = 264.172 gallon

2.5 gallon = (2.5/264.172 ) m³

Density,

d=\dfrac{m}{V}\\\\d=\dfrac{0.0355\ \text{tons}}{\dfrac{2.5}{264.172}\ m^3}\\\\d=3.75\ \text{tons per cubic meter}

5 0
2 years ago
How to solve 5/a+1/2=6/a
swat32

Answer:

a = 2

Step-by-step explanation:

Multiply equation by 2a to get rid of denominators.

10 + a = 12

a = 2

6 0
3 years ago
Read 2 more answers
6x-4y=14 <br> 2x+8y=21 <br> Solve by elimination
Viktor [21]
I wrote some notes please read and if you not sure contact me

8 0
2 years ago
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