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Over [174]
2 years ago
11

What is the period of y=4cos5x

Mathematics
1 answer:
kvasek [131]2 years ago
5 0

you take 2pi and divide it by bits stolen from the equation its explained more in the screennshot

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the area of a circle is 81 pi m^2. what is the circumference, in meters? express your answer in terms of pi.
mestny [16]
<h3>Answer:    18pi</h3>

============================================================

Explanation:

The area 81pi square meters leads to the radius 9 meters

Use the formula A = pi*r^2 to see why this is the case. You plug in A = 81pi and solve for r to get r = 9.

-----------------

Once you know the radius, you can determine the circumference C

C = 2*pi*r

C = 2*pi*9

C = 2*9*pi

C = 18pi

The circumference is the perimeter, or distance, around the circle.

8 0
3 years ago
The vertex of this parabola is at (-4,-1).When the y-value is 0,the x-value is 2.What is the coefficient of the squared term in
densk [106]

Answer:

  1/36

Step-by-step explanation:

When the coefficient is 1, the function has zeros at -3 and -5, one horizontal unit from the vertex. You want to move the zero to (2, 0), which is 6 units from the vertex. To achieve a horizontal stretch by a factor of 6, the value of x in the function must be replaced by x/6. That would make the coefficient of x^2 be (1/6)^2 = 1/36.

The coefficient of the squared term is 1/36.

8 0
3 years ago
PLEASE HELP!!!! WILL GIVE BRAINLIEST!!!
Natasha2012 [34]

Use Ga_thMath(u) (brainly doesn't allow me to type it) To use the app u need to take a pic of the problem and then it will process it and you'll get ur answer ASAP(most of the time). Many questions have been asked before so search it on brainly.

4 0
3 years ago
Maria realiza una encuesta sobre las edades de los postulantes a una universidad y con los datos obtenidos elabora una tabla de
vazorg [7]

Answer:

Step-by-step explanation:

is 10 1/2

5 0
2 years ago
You use 66 gallons of water on 2020 plants in your garden. At that rate, how much water will it take to water 3030 plants?
irina1246 [14]
It will take 99 gallons of water
4 0
3 years ago
Read 2 more answers
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