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
kondor19780726 [428]
3 years ago
10

If cos 0 = -4/9 with 0 in Quadrant II, find sin 0

Mathematics
1 answer:
Neko [114]3 years ago
4 0
Sin0= y/r

X= -4 and r= 9 (radius is also the hypotenuse)
In quadrant II y is positive
X^2 +y^2 = r^2

-4^2 + y^2 = 9^2
16 + y^2 = 81
Y^2 = 81-16
Y^2 = 65
Y= sqrt65

Sin0= sqrt65/9
You might be interested in
Y=x+2<br> Y=x-1<br> How many solutions does the system of equations have
Mkey [24]

Answer:

the system has no solutions

Step-by-step explanation:

substract both equations and the result will be:

y - y = x - x + 2 + 1

0  = 3   is incompatible, so, no solution

6 0
3 years ago
Mike has 3 planting boxes for her flowers . each boxes is 4 feet wide and 8a feet long how much area for planting flowers does m
ella [17]
66 I am pretty sure hope this helps :)
4 0
3 years ago
Which is the solution to the following system?<br><br> y=3x+1 <br> 6x-2y=4
zalisa [80]

Answer:

x=-7/3 and y=-6

Step-by-step explanation:

6x-3(3x+1)=4

6x-9x-3=4

-3x-3=4

-3x=7

x=-7/3

y=3(-7/3)+1

y=-6

8 0
3 years ago
What is the slope of the line that passes through these two points (-2,4) (3,4)?
lisabon 2012 [21]

Answer:

0

Step-by-step explanation:

m=y-y1/x-x1

m=4-4/-2-3=0/-5

m=0

5 0
3 years ago
Given that (x+2) is a factor of x^3+8, find the other quadratic factor.
Semmy [17]
If you know the formular a^3+b^3=(a+b)(a^2-ab+b^2), you can solve this problem.
8 is 2 cubed, so x^3+2^3=(x+2)(x^2-2x+4)
so the other quadratic factor is x^2-2x+4
3 0
3 years ago
Other questions:
  • 2/3 of a number decreases its 4/8 by 8, what is number?
    13·2 answers
  • Divide 22 hours 24 minutes 40 seconds by 7​
    6·1 answer
  • Including 16% sales tax an item cost 348. What is the original price?
    15·1 answer
  • A conditional statement p- is true and its converse q- pis false. Which related conditionals are also false?
    9·1 answer
  • Lee is a teacher at a local high school who wanted to assess whether or not dogs physically resemble their owners enough for peo
    6·1 answer
  • Please answer the following ASAP
    10·1 answer
  • I NEED help with this ASAP
    13·1 answer
  • Alysa is solving the question below
    14·1 answer
  • If why varies with the square of x and Y equals 24 when x equals 10 then the constant of proportionality is ____, and the value
    13·1 answer
  • Pllzlzz answer
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!