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Sindrei [870]
2 years ago
5

So I need help trying to answer these triangle problems. I don't know how to find the measure of an angle

Mathematics
1 answer:
Nastasia [14]2 years ago
4 0

Answer:

try using a protractor

Step-by-step explanation:

when you use a protractor it can be easier and collect all like terms together

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In both of the problems where would you put parentheses to make it statement true?
Darina [25.2K]
In the first one it would be (21-8)-6=7.
and in the second one it would be 21-(8-6)=19
5 0
3 years ago
Determine weather the following is real or complex <br> i^6-122-7i^2
Leona [35]

Answer:

Real

Step-by-step explanation:

i^6-122-7i^2

(i^2)^3-122-7i^2

(-1)^3-122-7×(-1)

-1-122+7

-123+7

-116

So the final answer is -116

7 0
3 years ago
Bike rental company A charges an initial fee of $8 plus $1.25 for every hour spent biking. Bike rental company B charges $2.75 f
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7 0
3 years ago
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
Hey! please help i’ll give brainliest
erma4kov [3.2K]

Answer:

I think A is the answer

hope this helps

have a good day :)

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
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