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
FinnZ [79.3K]
3 years ago
8

Simplify the following, where k represents any integer: cos(2kpi-x)(-sin(2kpi-x))

Mathematics
1 answer:
Citrus2011 [14]3 years ago
5 0
= cos( -x ) * [ - sin( - x ) ] = cosx * sinx ;
cosx * sin x is the right answer !
You might be interested in
What factor or factors may reduce risk? (5 points)
Amiraneli [1.4K]
I know it is futures ivestments
4 0
2 years ago
In a group of 31 pupils, 4 play the flute only. 14 play the piano only. 7 play neither instrument. A student is selected at rand
solmaris [256]

Answer:

probability the student plays both instruments is [  \frac{6}{31}  ]

<h2>                         <u>Explanation</u>:</h2>

students who play both instruments = total students - flute players - piano players - students who play neither instruments

students who play both instruments

→ 31 - 4 - 14 - 7

→ 6 students play both instruments.

probability:

<h2>→  \boxed{\frac{students- who -play- both- instruments}{total -students} }</h2><h2>→                     \boxed{\frac{6}{31} }</h2>
7 0
2 years ago
Read 2 more answers
If a shop earns a profit of 1300 on every heater sold and incurs a loss of 1800 on every fan sold, find out its total profit/ lo
erastovalidia [21]

Answer:

Total profit is 26,900.

Explanation

If the profit for selling a heater is 1300 than the profit of selling 25 heaters is 32500.

If the loss of selling a fan is 800 than the loss of selling 7 fan is 5600.

Minus 32500 with 5600 to get the profit.

26,900

5 0
3 years ago
a store buys CDs with $1 for each and sells them for 1.5 each how many CDs should they sell to earn $100
abruzzese [7]
67 CDS

100/1.5=^
Hope this helps!
6 0
3 years ago
Read 2 more answers
Can anyone answer these 4? if so ill give 40 points. please show work!! and no long division please. , thanks!
dolphi86 [110]
54x89=4806

123x85=10,455

64x15=960

264x14=3,696
6 0
3 years ago
Other questions:
  • What is the quotient of 32 divided by 4 as a fraction?
    9·1 answer
  • What's a rule that could be used to simply the square of any square root of a number?
    15·1 answer
  • How do you solve this absolute value equation ?<br><br> |x + 7| = 3x - 5
    10·2 answers
  • a mountain climber started at fifteen hundred feet above sea level he climb 2500 feet up the mountain the next day he went down
    10·2 answers
  • Find the mean of the ending balance in Teresa account for the week answers: -$2 $20 $115 $134
    15·2 answers
  • Ursula tosses two six-sided number cubes and ADDS the numbers rolled. Which of these is a list of the outcomes of the two row? A
    10·1 answer
  • The Limits of x and y if, SSxy dx dy is taken over the positive quadrant of the circle x² + y2 = a2 are
    5·1 answer
  • You can earn 1 coin<br> 2)<br> Fill in the blank.<br> 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 =<br> x8
    15·2 answers
  • If <img src="https://tex.z-dn.net/?f=%5Csf%20a%20%3D%20log_92" id="TexFormula1" title="\sf a = log_92" alt="\sf a = log_92" alig
    15·1 answer
  • Anyy help? someone....?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!