1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
galina1969 [7]
3 years ago
15

solve each triangle. round each side length to the nearest tenth and angle measures to the nearest degree. a= 14, c= 20, B= 38 d

egrees.
Mathematics
2 answers:
slavikrds [6]3 years ago
7 0
A) the missing degree is 166 

b) the missing degree is 142 

c)the missing degree is 160


I do hope I helped you in a way! If I am incorrect I apologize.
Naily [24]3 years ago
5 0
Okay after scratching my head and some scrap paper :P  I was really surprised to see that I don't remember ever running into this before...

Using the Law of Cosines we find the third side.

c=√(196+400-560cos38)≈12.4384  (we can round further for the final answer)

Now using the Law of Sines for the other angles.

sin38/12.4384=sinA/14=sinB/20

A=arcsin(14sin38/12.4384)≈43.8645°

BUT what I didn't realize before is that B was obtuse which means:

B=180-arcsin(20sin38/12.4384)≈98.135°

So solved for sides and angles (with rounding asked for)

(14, 44°), (12.4, 38°), and (20, 98°)




You might be interested in
In order to solve for x in the equation 3x - 18 = 78, What is the FIRST step?
anygoal [31]

Answer:

add 18 to both sides, giving you 3x = 96

6 0
3 years ago
Examine the table of equivalent ratios and complete this statement. For 5 servings, the ratio of cups of water to cups of juice
shepuryov [24]

Answer:

Step-by-step explanation:     This is five-fold proportion

The first ratio gives solution namely

We will write general proportion  

a:b= c:d= e:f = g:h= i:j = k

According to this the first ratio gives coefficient k

When we divide 24/2 =12 our coefficient k=12

In the second ratio we will multiply 3 with 12 and get 36.

In the third ratio we will multiplu 5.5 with 12 and get 66.

In the fourth we will divide 108 with 12 and get 9.

In the fifth we will multiply 15 with 12 and get 180.

Finally the ratio is 24:2=36:3=66:5.5=108:9=180:15

3 0
3 years ago
Read 2 more answers
The first four terms of an arithmetic sequence are -11,-5,1,7. what is the equation for an
mr_godi [17]

Answer:

y = 6x - 11

Step-by-step explanation:

An arithmetic sequence is a linear function. This means it steadily increases or decreases through addition/subtraction by a constant amount. Here the sequence grows by adding 6 each time.

-11 + 6 = -5

-5 + 6 = 1

1 + 6 = 7

etc....

Since this is linear, its equation has the form y = mx + b where m is the slope and b is the y-intercept. The slope is m = 6 and b = -11.

y = 6x - 11

7 0
3 years ago
Four artists open a business selling paintings and agree to split the profits equally. They spent $150 on supplies. If their tot
pashok25 [27]
First, I would subtract 150 from 870. You get 720. Then I would divide that equally among the four artists. 720/4=180. So each person's share is $180.
8 0
3 years ago
Read 2 more answers
What is the circumference if 40
san4es73 [151]
It should be 6.36cm. If not ask someone smart in your class.
8 0
4 years ago
Other questions:
  • What would a 20% increase of 25.9 be? I think it'd be 77.22 but not quiet sure
    15·2 answers
  • The high school, middle school, and elementary school are all on the same road. The distance from the high school to the middle
    12·2 answers
  • 13. Calcule:
    13·1 answer
  • Can someone help me with this don’t mind the 11 it’s not apart of the problem
    12·1 answer
  • here are some clues to a mystery number. One of my factors is 4. when you pair me with 32, we have an LCM of 32. I am greater th
    13·1 answer
  • What must be added to<br>2x² - 3 xy + 5yz to get x² - xy + y²​
    14·1 answer
  • I need help please show work.
    8·1 answer
  • Type the following fractions in order from greatest to least:
    11·1 answer
  • You have 24 quarts of brown stock. You need .75 cups to make one serving of braised short ribs. How many servings can you make?​
    14·1 answer
  • What is the Bill of Rights?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!