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Ostrovityanka [42]
2 years ago
7

DUE IN 30 MINUTES HELP NEEDED ASAP!!!!

Mathematics
2 answers:
Anna71 [15]2 years ago
6 0
It would be R1 R2 R3 R4 R5 & R6
statuscvo [17]2 years ago
5 0
It’s R1 r2 r3 r4 r5 r6
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I really need helppppp
Dmitry [639]

Answer: the distance of the boat from the foot of the lighthouse is 290.5 feet.

Step-by-step explanation:

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

Angle A is alternate to the angle of depression, hence, they are the same.

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

To determine x, we would apply

the tangent trigonometric ratio.

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

Tan 11.1 = 57/x

x = 57/Tan 11.1 = 57/0.1962

x = 290.5 feet to the nearest tenth.

6 0
3 years ago
There is a bag filled with 4 blue and 5 red marbles.
Oxana [17]

Answer:

1/9

Step-by-step explanation:

there are 9 marbles in all so the probability of getting 1 blue marble would be 1/9

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3 years ago
What is the measure of ∠D?
LenaWriter [7]

Answer:

63

Step-by-step explanation:

When a quadrilateral is in the circle, the opposite angels are supplementary, meaning they equal 180. So you do 180-117 and get 63

3 0
3 years ago
Giselle bought a dress for $35 and three t-shirts. She used a coupon for $2.50 off each t-shirt. The total cost can be modeled b
yanalaym [24]
N-2.5 represents the cost for each shirt being subtracted by $2.50 due to the coupon
5 0
2 years ago
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a calculator is listed for $110 and is on clearence for 35% off. sales tax is 7%. what is the cost of the calculator
goldfiish [28.3K]

Answer:

$76.51

Step-by-step explanation:

The price after discounting is (1.00 - .35)($110), or 0.65($110) = $71.50.

The price after 7% sales tax has been added in is

(1.00 + 0.07)($71.50) = $76.51.

6 0
3 years ago
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