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Verdich [7]
3 years ago
13

Using the Law of sines, in triangle ABC, if measurement of angle B = 105°, b = 23, a = 14, find measurement of angle A

Mathematics
1 answer:
Degger [83]3 years ago
3 0
Check the picture below.

make sure your calculator is in Degree mode.

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PLEASE PLEASE PLEASE HELP!!
Marta_Voda [28]
Okay I'll try to show it step by step

Step 1. So first you need to recognise that the diagram is a right angled triangle, with the right angle being at the bottom. This means we can do Pythagoras' Theorem.

Step 2. Now that you know you can use Pythagoras' Theorem, you can apply it. If you don't know, the theorem is a² + b² = c², with, in this case, a being 5 and b being 8. This means we can do 5² + 8² = 25 + 64 = 89.

Step 3. From the previous step, we now know that the length of the side including x is √89, and because we know that part of this side is 3, if we subtract 3 from √89 we get the value of x, so: √89 - 3 = 9.434 - 3 = 6.434, which is your answer.

I hope this helps!
5 0
3 years ago
A bagel and a slice of pie cost $4. The slice of pie cost $1.60 more than the bagel. How much did the bagel cost
Black_prince [1.1K]

Answer:

$2.04

Step-by-step explanation:

$4-$1.60

4 0
3 years ago
Read 2 more answers
2.77 x 10^3<br> + 1.04 x 10^4
Alex Ar [27]
2.77*10^3+1.04^10^4
2.77*10^3=2770  where (10^3=1000, so 1000*2.77)
1.04*10^4=10400 where (10^4=10000, so 10000*1.04)
 
2770+10400
=13170
4 0
3 years ago
Read 2 more answers
Helpppp meeee plsssss
Viktor [21]

Answer:

i think the answer is A. 14 surfaces with glue on them

4 0
3 years ago
Read 2 more answers
Will mark brainliest, pls help
elena-s [515]

Answer:

None of the answer options are correct

Step-by-step explanation:

cs + rh = w

cs = w - rh

s = (w - rh)/c

The second one could be corrected by exchanging c with 1/c

The last one would be correct with judiciously applied parentheses.

The first and third have too many errors to even bother trying to correct.

answer could also be written

s = w/c - rh/c  

but it is not considered reduced form.

5 0
2 years ago
Read 2 more answers
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