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Anton [14]
2 years ago
8

20 1/8-11/40 and is has to be a fraction

Mathematics
2 answers:
adelina 88 [10]2 years ago
4 0

Answer:

The answer is 19 17/20

dem82 [27]2 years ago
3 0

Answer:

397/20

Step-by-step explanation:

i think?

if im wrong im sorry

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Can someone please explain to me how to get this answer?
SIZIF [17.4K]
Answers:
A = 120
b = 45.0
c = 33.2

Side Note: only one triangle is possible
See attached for a visual. I used GeoGebra to draw the triangle.

-------------------------------------------------------------
-------------------------------------------------------------

Explanation:

We are given the following information
B = 35
C = 25
a = 68

We need to find the following
A, b, c

where the lower case letters represent the side lengths; the upper case letters are the angles. The angles are opposite their corresponding sides. For instance, side lowercase b is opposite angle uppercase B. The other letters are positioned the same way.

-----------------------

First use the idea that for any triangle, the three angles (A,B,C) must add to 180 degrees
A+B+C = 180
Replace B and C with 35 and 25. Solve for angle A
A+35+25 = 180
A+60 = 180
A+60-60 = 180-60
A = 120

Now that we know the three angles A = 120, B = 35, C = 25, we can find the missing sides 'b' and 'c'

-----------------------

We will use the law of sines to find side b
sin(A)/a = sin(B)/b
sin(120)/68 = sin(35)/b
b*sin(120) = 68*sin(35) <<--- cross multiply
b = 68*sin(35)/sin(120)
b = 45.037013350222 <<--- use a calculator; this value is approximate
b = 45.0 <<--- round to the nearest tenth

-----------------------

Do the same for side c
sin(A)/a = sin(C)/c
sin(120)/68 = sin(25)/c
c*sin(120) = 68*sin(25) <<--- cross multiply
c = 68*sin(25)/sin(120)
c = 33.1838323365404 <<--- use a calculator; this value is approximate
c = 33.2 <<--- round to the nearest tenth

4 0
3 years ago
Read 2 more answers
Andrew is showing his work in simplifying -4.5 + 4.2 + 5.6 - 7.3. Identify
Hitman42 [59]

Answer:

hence the answer for given problem is -2, but andrew get -21.6 which is wrong

Step-by-step explanation:

8 0
2 years ago
After learning how to fly, Wendy reduced her daily commute time by 75%. Previously, her commute took m minutes. Which of the fol
Montano1993 [528]
The answer is B. 0.75 because that’s what it would be equal to in decimal form.
4 0
3 years ago
Read 2 more answers
NEED HELP PLEASE IM BEGGING YOU PLEASE!!!!!!!!!!!!!
natulia [17]

Answer:

12

Step-by-step explanation:

hopes this helps

7 0
3 years ago
Read 2 more answers
Ty’s experimental probability of winning a certain game is 1/3. Jana’s expiremental probability of winning the same game is 3/4.
Dafna1 [17]

Answer:

Jana is expected to win 40 more games over Ty.

Step-by-step explanation:

If Ty plays the game 120 times, he is expected to win in 1/3 part of 120 games, which is ( 1/3 * 120 =) 40 games.

If Jana plays the game 120 times, she is expected to win in 2/3 part of 120 games, which is ( 2/3 * 120 =) 80 games.

If Jana is expected to win 80 times an Ty is expected to 40 times, then Jana is expected to win ( 80 - 40 =) 40 more games over Ty.

4 0
3 years ago
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