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Elis [28]
3 years ago
10

What problem types can be solved using law of sines?

Mathematics
2 answers:
aev [14]3 years ago
6 0
Let's take a triangle ABC, with a, b, and c the sides length, he law of sine is:

a/sin A =b/sin B = c/sin C
If we know the value of 2 angles and one side or the value of 2 sides and one angle, we can calculate all the elements of the triangle
Firdavs [7]3 years ago
6 0
If we know the value of 2 angles and one side or the value of 2 sides and one angle, we can calculate all the elements of the triangle


brainliest g
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Solve: x2 + 8x - 9 = 0<br> please i need it urgently​
Likurg_2 [28]

Answer:

x = 1 or x = -9

Step-by-step explanation:

Solve for x over the real numbers:

x^2 + 8 x - 9 = 0

Hint: | Solve the quadratic equation by completing the square.

Add 9 to both sides:

x^2 + 8 x = 9

Hint: | Take one half of the coefficient of x and square it, then add it to both sides.

Add 16 to both sides:

x^2 + 8 x + 16 = 25

Hint: | Factor the left hand side.

Write the left hand side as a square:

(x + 4)^2 = 25

Hint: | Eliminate the exponent on the left hand side.

Take the square root of both sides:

x + 4 = 5 or x + 4 = -5

Hint: | Look at the first equation: Solve for x.

Subtract 4 from both sides:

x = 1 or x + 4 = -5

Hint: | Look at the second equation: Solve for x.

Subtract 4 from both sides:

Answer: x = 1 or x = -9

6 0
3 years ago
The Copper river school district collected data about class size in the district.The table shows the class sizes for five random
777dan777 [17]

Answer:

A

Step-by-step explanation:

A because the mean absolute deviation of an eighth grade class  is less than that of a seventh grade class. Also, the class size is larger on average for eighth graders (35>31).

6 0
2 years ago
I don't get this can somebody help me
Yuliya22 [10]
This is really easy if you think and look at the picture.

There were 15 dvds. 1/5 were documentaries.

All you have to do is figure out what 1/5 of 15 is. Yes?

So to find out what 1/5 of 15 is, you divide 15 by 5, and that's your answer.

The answer is 3.
8 0
3 years ago
Read 2 more answers
Plz answer.............
spayn [35]

Answer:

( - x, - y )

Step-by-step explanation:

The starting is always Quadrant I.

270 degrees clockwise from Quadrant I is Quadrant III.

In Quadrant III, the points will be in the form ( - x, - y ).

7 0
3 years ago
ASAP PLS Joselyn expects her new software company to increase its sales next year 2 3/4 the present value. Write this increase a
viva [34]

Answer:

175% i think

Step-by-step explanation:

7 0
3 years ago
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