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bearhunter [10]
2 years ago
5

WORTH 30 POINTS PLEASE HELP!!!!! WILL GIVE POINTS

Mathematics
2 answers:
timofeeve [1]2 years ago
7 0
2/3 and 4/6.

This is because if we take 2/3 and multiply each number by 2, we get 4/6. Therefore, they are equal.
Zolol [24]2 years ago
6 0

Answer:

2/3 and 4/6

Step-by-step explanation:

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If you're good at trigonometry please help me with question nine a and b and show full working out tyyyyyyyy ;)
Mariulka [41]

Problem 9, part a)

Compass bearings always have north as the starting point. This is where 0 degrees is situated, and 360 degrees as well. As the bearing angle increases, you'll turn to the right toward the eastward direction. Effectively you're sweeping out a clockwise rotation. The bearing 322 degrees is in a northwest position as the diagram shows (place the ship at the bottom right corner of the triangle). The bottom right acute angle of the triangle is 322 - 270 = 52 degrees. This is the reference angle we'll use for finding the distance d.

With respect to the reference angle of 52 degrees, the side 18.5 is the opposite side and d is the adjacent side. Use the tangent ratio to get...

tan(angle) = opposite/adjacent

tan(52) = 18.5/d

d*tan(52) = 18.5

d = 18.5/tan(52)

d = 14.4537840903742

The approximate value of d is 14.4537840903742 km

This rounds to 14.5 when rounding to one decimal place.

<h3>Answer: 14.5 km</h3>

=======================================================

Problem 9, part b)

Recall that

distance = rate*time

where "rate" is another term for "speed" or "velocity"

We can solve this for the time to get

time = distance/rate

------

We found the distance back in part a) above. We are given the rate of 48 km/h

So,

time = distance/rate

time = 14.4537840903742/48

time = 0.3011205018828

This is the time it takes in hours. Multiply by 60 to convert to minutes

0.3011205018828 hours = 60*0.3011205018828 = 18.067230112968 minutes

This rounds to the whole number 18

<h3>Answer: 18 minutes</h3>
5 0
3 years ago
5g + 18-7g + 4g = 8
Neporo4naja [7]

Answer:

Step-by-step explanation:

9g - 7g + 18 = 8

2g + 18 = 8

2g = -10

g = -5

7 0
2 years ago
Write each percent as a fraction in simplest form.<br> 12%
sdas [7]
12% as a fraction is 12/100 but it’s simplest form is 3/25
5 0
2 years ago
Which number represents the BASE?<br> 42=16<br> A. 4<br> B. 2<br> C. 16
stepladder [879]

Answer:

2

Step-by-step explanation:

6 0
2 years ago
Is Anyone know the answer????
Alinara [238K]

Answer:

Angle 1 = 40

Step-by-step explanation:

Angle 1 and Angle 2 are alternate angles. So,

2x + 20 = 3x + 10

3x - 2x = 20 - 10

x = 10

Angle 1 = 2x + 20 = 2 x 10 + 20 = 40

4 0
2 years ago
Read 2 more answers
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