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Anit [1.1K]
2 years ago
10

Hi what is answer plz

Mathematics
1 answer:
34kurt2 years ago
6 0
the answer is 12 lolllo
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84.87 is 115% of what
elena-s [515]
Divide 84.87 by 1.15, and you get 73.8

Then you can check your work by multiplying 73.8 by 1.15 and you get 84.87
6 0
3 years ago
Please helpppppp!!!!!!!!
likoan [24]

Answer:

Step-by-step explanation:

6 0
3 years ago
Omg please help ASAP!!
Mnenie [13.5K]

Answer:

try the first, fourth, and last one

Step-by-step explanation: when you read the question it say select all that apply to form the equation so all you have to do is select the numbers and the variables that are in the equation above.

3 0
3 years ago
Please help me…………….
valina [46]

9514 1404 393

Answer:

  54.8 km

Step-by-step explanation:

The sketch and the applicable trig laws cannot be completed until we understand what the question is.

<u>Given</u>:

  two boats travel for 3 hours at constant speeds of 22 and 29 km/h from a common point, their straight-line paths separated by an angle of 39°

<u>Find</u>:

  the distance between the boats after 3 hours, to the nearest 10th km

<u>Solution</u>:

A diagram of the scenario is attached. The number next to each line is the distance it represents in km.

The distance (c) from B1 to B2 can be found using the law of cosines. We can use the formula ...

  c² = a² +b² -2ab·cos(C)

where 'a' and 'b' are the distances from the dock to boat 1 and boat 2, respectively, and C is the angle between their paths as measured at the dock.

The distance of each boat from the dock is its speed in km/h multiplied by the travel time, 3 h.

  c² = 66² +87² -2·66·87·cos(39°) ≈ 3000.2558

  c ≈ √3000.2558 ≈ 54.77

The boats are about 54.8 km apart after 3 hours.

7 0
2 years ago
Brandon's class has 7 boys and 13 girls. explain how do the ratios 7:13 and 7:20 describe Brandon's class?
Rudik [331]
7:13 is comparing boys to girls. 7:20 is comparing boys to the whole class, since 7 boys + 13 girls = 20 students.
8 0
3 years ago
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