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son4ous [18]
2 years ago
15

HELP PLEASEEEE!!!!! WILL GIVE BRAINLIST IF RIGHT!!!

Mathematics
2 answers:
juin [17]2 years ago
5 0
Angle A is 50 degrees
Angle B is 130 degrees
AB is is 20 feet
ludmilkaskok [199]2 years ago
4 0

Answer:

A = 50 B = 130 AB = 20

Step-by-step explanation:

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At an ocean depth of 10 meters, a buoy bobs up and then down 6 meters from the ocean's depth. Ten seconds pass from the time the
Ivanshal [37]

The sine function for the given scenario is y  = 6sin ( (π / 10) x )  -  10.

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

The standard formula for sine function is Asin(Bx)+C.

A buoy bobs up and down 6 meters. That is the buoy shifts vertically and horizontally  for 6 meters which is amplitude.

∴Amplitude A= 6.

Period is the distance in the x-axis that makes one full oscillation.

We know that the time taken buoy to move from its highest point to lowest point (half oscillation) is 10 seconds.

∴The period for full oscillation is 20 seconds.

Also, Period =2π divided by B.

⇒ 20 (B) = 2π.

B=2π /20.

= π/ 10.

Since the buoy is in the depth of the ocean 10 meters C = -10.

Applying all the values in the formula,

⇒y  = 6sin ( (π/ 10) x )  -  10.

The first point is the mid line,

The first point is x=0,

⇒y=6sin(0)-10.

y= -10.

∴ The line starts at the point y = -10.

The second point is either maximum or minimum value.

That is (5,-4) and (15, -16.)

7 0
3 years ago
Write the percent as a fraction and as a decimal.<br> 139​%<br> What is the fraction​ equivalent?
Bess [88]

Answer:

139/100

Step-by-step explanation:

3 0
3 years ago
Question 3
tino4ka555 [31]

Answer:

it is 8.39. hope this helps.

8 0
3 years ago
PLEASE TELL ME HOW TO PASS A EXAM WHILE YOUR CAMERA IS ON AND YOU ARE FAR FROM THE DEVICE AND YOU DON'T KNOW ANYTHING.
Fantom [35]

Answer:

Step-by-step explanation:

lol put ur books or notes or whatever behind the device and cheat

BUT I really don’t advice u to cheat just try preparing for the exam or do as much as u can and don’t waste ur time at least u would know something while solving the exam.

7 0
2 years ago
What is the sum? 3/x+4/(x)2
gavmur [86]
(3/x)+(4/(x^2))

give common denominator:
(3x/(x^2))+(4/(x^2)) = (3x+4)/(x^2)
6 0
3 years ago
Read 2 more answers
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