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
WITCHER [35]
2 years ago
15

If cosA=4/5 and cosB=3/5 then find a,b,c

Mathematics
2 answers:
dexar [7]2 years ago
4 0
Ansnajsnandndnxnxbdsjsjsj
aliya0001 [1]2 years ago
3 0

Answer:

a = 3, b = 4, c = 5

Step-by-step explanation:

Assuming we're working with a right triangle, where c is the hypotenuse, then using the definition of the cosine being the adjacent side over the hypotenuse, then we know:

a = 3, because it is the side adjacent to B

b = 4, because it is the side adjacent to A

c = 5, because it is the denominator in bot fractions

This of course assumes that there is no additional ratio in place.  For example, if the lengths were instead 8, 6 and 10 respectively, then the cosines given would still be 4/5 and 3/5.  Truthfully these only tell relative sizes of the sides, and not their absolute sizes.

You might be interested in
Which y values are represented on the graph below?
Zanzabum
..........................
3 0
3 years ago
1. What is the equation of a line that has a slope of ⅔ and a y-intercept of -3?
ArbitrLikvidat [17]

Answer:

1. y = (⅔)x - 3

2. y = 3x + c

3. 1) non-proportional

2) can be proportional if c = 0

Step-by-step explanation:

1. What is the equation of a line that has a slope of ⅔ and a y-intercept of -3?

y = (⅔)x - 3

2. What is the equation of a line that has a slope of 3?

y = 3x + c

3. Lable the 2 equations as proportional or non-proportional and why.

A proportional relation should pass through the origin, i.e the y-intercept should be 0

3 0
3 years ago
Question is : Rearrange to make x the subject : 3y-2x=7
maksim [4K]

Answer:

=1

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
A taxi service charges a 10$ initial fee and an additional $1.25 per minute.
Len [333]
Y= 10 + 1.25x
This is the answer because 10 is the initial fee (you start with it) and 1.25 is added for each minute, with each minute being the variable
7 0
3 years ago
Dave walked to his friend's house at a rate of 4mph and returned back biking at a rate of 10mph. If it took him 18 minutes longe
OleMash [197]

Answer:

I think this would be....

14 miles im not sure

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Other questions:
  • What is 55% of 75<br> Pls show the work !<br> I really need help
    7·1 answer
  • What is the value of 6^4?
    8·2 answers
  • If f(x)=2x^2+1, what is f(x) when x =3 <br>A)1<br>B)7<br>C)13<br>D)19​
    13·1 answer
  • 12. Elly's credit card record for the last 7 months is below. Based on the information from the table, what will be her new bala
    6·2 answers
  • A truck driver drove 48 miles in 45 minutes.At this rate,how many miles can the truck drive in one hour?
    11·2 answers
  • Out or 1,000,000,000.00, how many 10,000.00s are there?
    6·1 answer
  • Help me lol (please)
    15·2 answers
  • Look at the system of equations below.
    13·1 answer
  • What is the value of the expression below? 3x + (12 - 3) - x, when x = 2.5 A. 13 B. 14 C. 15 D. 19
    12·1 answer
  • Evaluate the function graphically:<br><br> Find f(1)
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!