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sleet_krkn [62]
3 years ago
12

A lottery has a prize valued at $2400 and k tickets are sold at $2.00 each. Express the expected value of a ticket as function o

f k.
Mathematics
2 answers:
Troyanec [42]3 years ago
4 0
K(2)=2400 I think that’s right
NeTakaya3 years ago
4 0
Answer:1200 tickets

Step by step solution: see photo

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the radius of a circle is 10 centimeters. what is the area of a sector bounded by a 90° arc? give the exact answer in simplest f
Alex787 [66]
I hope this isn't too late! You can find the answer to this by first finding the area of the circle, A=πr². So since the radius is 10, we input that into the equation to get π100. Now, there is 360° in a circle and a sector of 90° is 1/4 of it. So to answer the question all you have to do is find 1/4 of the area of the circle. 

The answer is π25.

To solve the other questions on your assignment just think about how much the sector is of the full 360° of the circle, for example 180° is 1/2 of the circle or 270° is 3/4 of the circle, and multiply the fraction by the area of the circle.

Hope this helped, good luck! :)
6 0
3 years ago
Read 2 more answers
The solid contains a cylinder and a hemisphere. Find the volume of the composite solid. 4.4m radius and 5m height
Masja [62]

Answer:

303.95 m^3

Step-by-step explanation:

Volume = πr2h

r= 4.4

h = 5

= 3.14 × 4.4^2 × 5

= 3.14 × 19.36 × 5

= 303.95

Hence the volume is 303.95 m^3

6 0
2 years ago
Find the distance between the points (2,8) and (-1,9).
Dima020 [189]

Answer:

need points sorry 38484343

Step-by-step explanation:

7 0
3 years ago
In which place is the digit in the number 5,341 that would be changed to form 5,841? How do the values of the two numbers compar
Colt1911 [192]
We want to change the digit in the number 5,341 into 5,841, and to find the difference between the numbers.

Refer to the figure shown below.
The number 3 is in the 3rd place (hundreds) of the number 5,341 as a digit.
It is replaced by 8  to form the number 5,841.

This means that 300 is replaced by 800 because, in the third place, we count by hundreds in the 3rd place.
The difference between 800 and 300 is 500.

Subtraction of 5,341 from 5,841 also yields 500.

Answer:
The digit is in the 3rd place (hundreds).
The difference between the numbers is 500.

3 0
3 years ago
Simplify:(-3x)(-2x5)
Sergio039 [100]

Answer: 30x

Multiply  

−

2

by  

5

.

−

3

x

⋅

−

10

Multiply  

−

10

by  

−

3

.

30

x

5 0
3 years ago
Read 2 more answers
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