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Semmy [17]
3 years ago
15

In the below figure what is the value of ∠QPR, in degrees, if ∠SPQ is a straight line? The measure of a straight angle is 180 de

grees.
Mathematics
1 answer:
inysia [295]3 years ago
6 0

Answer:

180

Step-by-step explanation:

spr is one line and qp is another in a perpendicular position

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1. A boat drifted 15 m out into the water off Ocean Beach, where the shore drops off
Lunna [17]

The correct responses found using trigonometric ratios are as follows;

  1. Brooke's cannot bring the boat back without getting water over her boots.
  2. The plan will not be approved
  3. The plane will not disturb
  4. The company can not use the chimney legally
  5. The Long company will build the bridge
  6. The fireman can reach her.
  7. The lift does not take the skiers up to the bar.
  8. Eric will be able to see his Dad's plane.
  9. The 73 m. brace

<h3>How can trigonometric ratios be used to find the right responses?</h3>

1. The depth of the water = 15 × tan(4°) = 1.049 m

The height of Brooke's boot = 1 m

Therefore;

  • Brooke's cannot bring the boat back without getting water over her boots.

2. The angle of elevation of the plan = arccos(99/100) ≈ 8.110°

Given that the angle of elevation the plan, 8.110°, is more than 8° limit, we find;

  • The plan will not be approved.

3. Height reached by the plane = 9 × tan(21°) = 3.455

Therefore;

  • The plane will not disturb.

4. Height of the chimney at the factory = 50 × tan(51°) = 61.745

The minimum chimney height = 65 m.

Therefore;

  • The company can not use the chimney legally.

6. Length of the bridge = 72 × tan(55°) ≈ 102.83

Therefore;

  • The Long company will build the bridge because it is longer than 100 m. but not more than 103 m.

7. Height reached by the ladder = 26 × sin(43°) ≈ 17.7

Therefore;

  • The fireman can reach her.

8. Height reached by the ski lift = 1000 × sin(29°) ≈ 484.8

Therefore;

  • The lift does not take the skiers up to the bar.

9. Height reached by plane = 26 × tan(9°) ≈ 4.12

The plane flies under the cloud therefore;

  • Eric will be able to see his Dad's plane.

10. Length required for the metal brace = 21/(cos(73°)) ≈ 71.83

Therefore;

  • The brace that wastes less metal is the 73 m. brace, because the 71 m. brace is not long enough and two braces will be required.

Learn more about trigonometric ratios here:

brainly.com/question/24349828

#SPJ1

7 0
1 year ago
Draw a number line diagram and write an expression to represent this situation: “On Tuesday at lunchtime, it was 29^∘C. By sunse
Zinaida [17]

Answer:

not you cheating Maddison   (its kaliya)

Step-by-step explanation:

but the answer is the temperature dropped 15.6 degrees from the high that day which was 8 degrees

so the sum is: 8-15.6= -7.6

And that means the low temperature on Tuesday night was - 7.6 degrees

5 0
2 years ago
Can some on help me please??
erma4kov [3.2K]

Answer:

Frequency is 2, 2 and 3.

Step-by-step explanation:

Temp in 101 to 106 - In this range only 2 temperature is there 104 and 104 in 2 cities. so frequency is 2.

Temp in 107 to 112 - In this range only 2 temperature is there 107 and 112 in 2 cities. so frequency is 2.

Temp in 113 to 118 - In this range only 3 temperature is there 114, 117 and 118 so frequency is 3.

5 0
2 years ago
Read 2 more answers
SOMONE PLEASE HELP ME ASAPPPPPPPP!!!!!!!!! I WILL GIVE YOU A GOOD RATE AND MARK YOU THE BRAINLIEST JUST ANSWER THIS CORRECTLY AN
Maslowich
Okay. I’m no mathematician, but I’m pretty sure it would be 995/90 = h. I used the “/” as the divide symbol. This would be the equation because you need to divide the total by the cash per hour to be able to get the number of hours the plumber worked. I really hope this helps!
3 0
2 years ago
Need Help?
tangare [24]

Answer:  $499.00

<u>Step-by-step explanation:</u>

Wholesale cost + (20% of Wholesale cost) = Selling price

--> 1.20 × Wholesale cost = Selling price

Let x represent the Wholesale cost

 1.2x = 598.80

<u>÷1.2  </u>    <u>÷ 1.2      </u>

     x = 499.00

6 0
2 years ago
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