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Alex_Xolod [135]
3 years ago
5

Right triangle and trigonometry help! Please help!

Mathematics
1 answer:
bija089 [108]3 years ago
4 0
First let's find the mesure of the missing ANGLE: Missing angle = 180° - (42°+ 87°) = 51°

cos 51° = (adjacent side)/(hypotenuse) = x/43
<u />0.629320.91 = x/43
and x = 27.1
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Chord JK intersects chord ST at point L. Find the length of St. If necessary, round to the tenths place.
raketka [301]

Answer:

(C)19

Step-by-step explanation:

The diagram is drawn and attached.

Using the intersecting chord theorem

SL X LT = JL X LK

x X 12 = 14(x-1)

12x=14x-14

12x-14x=-14

-2x=-14

x=7

Therefore:

ST= SL + LT

=x+12

=7+12

ST=19

The correct option is C

5 0
3 years ago
tyreee bought a collection comic book for 49.62 last year.this year he would sold it for 52.10 find the percent of change.
wlad13 [49]

Answer:

The percentage increased by approximately 5%.

Step-by-step explanation:

52.10 - 49.62 = 2.48

2.48/49.62 x 100 = 4.998%

The percentage increase in the price is approximately 5%. Hope this helps! :)

3 0
3 years ago
How do I solve this equation: -5/6b + 3/4 = 1/2b - 2/3 ?
Gre4nikov [31]
First get like things on the same side:
-5/6b - 1/2b= -2/3 - 3/4

Then find equivalent fractions to make the equation easier to solve.
-5/6b - 3/6b= -8/12 - 9/12

Then just add things together and solve.
-8/6b= -17/12
-8b= 6(-17/12)
-8b= -17/2
b= (-17/2)/-8
b= 17/16

You can then plug the answer back into the original question to make sure it is the correct answer.
3 0
4 years ago
Brooke plays on her schools softball team. Last season she was at bat 500 times and made a safe hit 28% of the time. How is 28%
Gre4nikov [31]

Answer:

28/100

Step-by-step explanation:

5 0
3 years ago
Describe the transformations of f(x) = x3 represented by g(x) = (x - 6) - 2.
devlian [24]

Answer:

Step-by-step explanation:

4 0
3 years ago
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