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
Alla [95]
3 years ago
6

If angle x=55% and angle y=35, calculate the following 1.cos(x+y) ​

Mathematics
1 answer:
Setler79 [48]3 years ago
4 0

Answer:

cos(X+Y) = cos(55+35) = cos(90) = 0

Step-by-step explanation:

cos(X+Y) = cosXcosY - sinXsinY

cos(55+35) = cos(55)cos(35) - sin(55)sin(35)

cos(55+35) = cos(55)cos(35) - cos(90-55)cos(90-35)

cos(55+35) = cos(55)cos(35) - cos(35)cos(55)

cos(55+35) = 0

cos(90) = 0

You might be interested in
1. Solve the equation.
Keith_Richards [23]

Answer:

1. -3

2. -12

3. 20

4. -15

5. 6

6. -15w+5

7. 10

8. C<-26

9.p> -40

10. P> 16

Step-by-step explanation:

~ -9p -17 = 10

-9p = 27

P = -3

~ x/4 -5 = -8

x/4 = -3

x = -12

~ p/5 +6 =10

p/5 = 4

p = 20

~ -2(m-30) =-6m

-2m+60=-6m

4m = -60

m = -15

~ 3n +2=8+2n

n = 6

8 0
3 years ago
Show me how to get this answer show your work
Rama09 [41]

We know that angle MKJ is comprised of angle MKL and angle LKJ. That means if we add MKL and LKJ, we should get 80 degrees, which is the measure of angle MKJ.

MKL + LKJ= MKJ \implies \\ 2x+10+3x-5=80 \implies \\ 5x+5=80 \implies\\ 5x=75 \implies \\ x=15

So, we know that our x is 15. That is not enough to tell whether KL is an angle bisector, because we have to evaluate both MKL and LKJ with x=15, so:

MKL=2(15)+10 = 40\\ LKJ=3*15-5=40

So we see that these two angles are actually bisectors, and the third question best describes this phenomenon.

6 0
3 years ago
Read 2 more answers
A(0, 1), B(4,1), C(1, 2), D(1,6): AB and CD
Ivanshal [37]
The answer is D because I took the test
8 0
3 years ago
What are 4 ways software developers use math
fredd [130]
Is there answers provided
4 0
3 years ago
What value of k makes the factor (x+3) a factor of the function f(x)=3x^3-2x+k?
4vir4ik [10]
Step by step equation
5 0
3 years ago
Other questions:
  • What is the solution to the system of equations?<br><br> y = 2x – 3.5<br><br> x – 2y = –14
    12·1 answer
  • Use the remainder theorem to find which of the following is not a factor of X^3+12X^2+47X+60
    12·1 answer
  • Macy's store received an order of 75 baseball caps of which nine were green if one of the 75 caps is selected at random, what is
    13·1 answer
  • adam bought a box of fruit that weighed 6 3/8 kilograms. If he bought a second box that weighed 7 25 kilograms, what is the comb
    15·1 answer
  • Need to explain why equations 3x +12 = 6 and -2 =4 -3x isn’t equivalent
    6·2 answers
  • <img src="https://tex.z-dn.net/?f=4y%20%5Ctimes%208y" id="TexFormula1" title="4y \times 8y" alt="4y \times 8y" align="absmiddle"
    12·2 answers
  • The drama club sells hot drinks during intermission for the school play. At one performance they sold $200 worth of drinks. Kare
    6·1 answer
  • Help me with this problem plzzz
    15·1 answer
  • Find the area of the shaded region. Round your answer to the nearest tenth.
    12·1 answer
  • If a carton contains 6 eggs, how many eggs are there in 13 cartons?
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!