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
Pie
4 years ago
12

Given sin a= -2/5 and cos b=1/3 with a and b both in the interval (3pi/2 , 2pi), find sin(a+b)

Mathematics
1 answer:
sveta [45]4 years ago
5 0

Answer: -2-2 radical42 over 15

Step-by-step explanation

You might be interested in
6. In a jar of 650 marbles, 20% of the marbles are red.<br> How many marbles are not red
Degger [83]

Answer:

Step-by-step explanation:

20% of 650

1/5 of 650

130=red

520= not red

6 0
3 years ago
Read 2 more answers
Find the slope:<br><br> x y<br> 13 10<br> 15 17
Dimas [21]

Answer:

Step-by-step explanation:

17_10

15_13

=7

2. =3.5

7 0
4 years ago
Find the sum of 136 + 212. Explain why you did or did not regroup.
Katyanochek1 [597]
Sum= 348. you didn't have to regroup because no number went over 10
8 0
4 years ago
Read 2 more answers
Using complete sentences, write an indirect proof proving that if x=30, then 3/4x+5≠20 (3/4 being three over four)
WARRIOR [948]
<span>hypothesis :-
 if x=30, then 3/4x+5≠20
 let Q:- x=30 P:- 3/4x+5≠20
 we need to prove if Q then P (Q →P)
 
proof :-
lets assume 34x+5=20 is true
now x=30
 so
  3/4(30)+5=27.5 ≠20
which is a contradiction
   
proved ^</span>
8 0
3 years ago
A farmer wants to know how many of his cows have no spots. He has 200 cows total. He takes a random sample of 40 cows. Of these,
slavikrds [6]

Answer:

The farmer can predict that 55 cows in the entire population have no spots.

Step-by-step explanation:

4 0
3 years ago
Other questions:
  • PLEASE PLEASE HELP ​
    7·1 answer
  • Part A: The polynomial in standard form is Select a Value
    10·1 answer
  • Find the midpoint of PQ¯¯¯¯¯¯¯¯ with endpoints P(−7, 0) and Q(1, 8). Then write an equation of the line that passes through the
    14·1 answer
  • Solve 3x - 5 = 7x - 17<br><br> a. 2<br><br> b. 3 <br><br> c. 5 <br><br> d. 6
    5·2 answers
  • What number is 19% of $100?
    14·2 answers
  • The length of a rectangle is 4 less than 2 times the width. The perimeter is 40 units.
    11·1 answer
  • What is the number of possible permutations of 5 objects taken 2 at a time? A. 10 B. 20 C. 60 D. 120
    14·1 answer
  • Find two numbers which differ by 4 and whose products is 45​
    9·2 answers
  • A group of friends share 3 slices of cake. Each friend gets half a slice of cake. How many
    14·2 answers
  • You have $550 in a savings account that earns 3% simple interest each year. How much will be in your account in 10 years? *
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!