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
RideAnS [48]
3 years ago
6

A choir is performing in front of an audience. A microphone is placed in front of the choir to capture sound. Which polar equati

on represents the microphone the choir is using? r = 4cos(2θ) r = 4cos(4θ) r = 4 + cos(θ) r = 4 + 4cos(θ)
Mathematics
2 answers:
Dimas [21]3 years ago
6 0

Answer: D. r = 4 + 4cos(θ)

Step-by-step explanation:

Sonbull [250]3 years ago
5 0

Answer:

not b or c

Step-by-step explanation:

You might be interested in
A fountain on a lake sprays water in a parabolic arch modeled by the equation y= -0.3x^2 +3x. A beam of light modeled by the equ
Nikitich [7]

ANSWER

4.1 units to the nearest tenth.

EXPLANATION

The graph of the two functions are shown in the attachment.

The coordinates of point A is (1.6,4.1).

The coordinates of point B is (7.1,6.1)

The x-axis represents the ground level.

The distance of point A from the ground level is how far the y-coordinate of this point is from the x-axis.

Which is |4.1-0|=4.1

3 0
3 years ago
Over a period of 3 hours, the outside temperature changed an average of -2.250 Fahrenheit per hour. Which statement correctly de
Leona [35]

Answer: A

Step-by-step explanation: The question states that the change wasn't a positive one, it was a negative one as it states that the temperature changed an average of -2.250 Fahrenheit per hour. So, we multiply that by 3 to get -6.75. This is why A is correct.

7 0
1 year ago
38.7÷1.29 help I'm stuck
Darya [45]

1.29 can go into 38.7 30 times, Your answer is 30.

5 0
3 years ago
Read 2 more answers
New York City is a popular feild trip destination. This year the senior
lilavasa [31]

Step-by-step explanation: look so if you have

shcool A its 8v+4b=12

and

School B: 12v+4b= 16

since both classes used 4 busses we can use elimination by subtracting the A class Equation from the b class equation to solve from v for its value Then, use either equation and the now found value for v to solve for b.

You should find part of the process to be

12v+4b-(8v+4b)=12-16 which shows the van holds only a few people even before continuing the solution.

Answer -4

5 0
3 years ago
What is the value of the exponential expression below?
7nadin3 [17]
The square root of 64 is 8 but put 8 to the 1/2 power
The answer is 4
7 0
3 years ago
Read 2 more answers
Other questions:
  • BRAINLIEST!!PLEASE HELP ME!!
    12·1 answer
  • The price of milk has been steadily increasing 5% per year. If the cost of a gallon is now $3.89: What will it cost in 10 years?
    9·1 answer
  • What's the value of 7 in 703,890
    14·2 answers
  • Complete the following sentences.Mark is rolling a number cube with sides labeled 1 through 6 and is looking for the probability
    9·1 answer
  • Help I need the answer
    14·1 answer
  • Which statement best describes a rotation?
    9·2 answers
  • Pls help
    14·2 answers
  • Find the smallest square number that is divisible by each of the numbers 8, 9 and 10
    13·2 answers
  • 35/100 WRITE AS a decimal
    11·2 answers
  • An athlete runs an equal distance 4 days a week. The other 3 days of the week, she runs a total of 16 miles. Write an equation t
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!