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AfilCa [17]
3 years ago
13

What is the surface area of a cylinder? Express the answer in term of x D=8cm h=18cm

Mathematics
2 answers:
Ilia_Sergeevich [38]3 years ago
7 0

Answer:

the surface area is 552.92

Step-by-step explanation:

lesantik [10]3 years ago
4 0

Answer:

552.92 {cm}^{2}

Step-by-step explanation:

A=2πrh+2π {r}^{2}  \\ =2·π·4·18+2·π· {4}^{2}  \\ ≈552.92031

hope this helps

brainliest appreciated

good luck! have a nice day!

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An individual is planning a trip to a baseball game for 16 people. Of the people planning to go to the baseball game, 8 can go o
Sedaia [141]

Answer: There are 4 people who only go to the game on Saturday.

Step-by-step explanation:

Let the number of people go on Saturday be n(A).

Let the number of people go on Sunday be n(B).

Since we have given that

n(A) = 8

n(B) = 12

n(A∪B)  = 16

According to rules, we get that

n(A)+n(B)-n(A\cap B)=n(A\cup B)\\\\8+12-n(A\cap B)=16\\\\20-n(A\cap B)=16\\\\n(A\cap B)=20-16=4

So, n(only go on Saturday) = n(only A) = n(A) - n(A∩B) = 8-4 = 4

Hence, there are 4 people who only go to the game on Saturday.

4 0
3 years ago
What is the answer for x²+9x-10
Alexxandr [17]

(x-1) (x + 10)

Step-by-step explanation:

I think it's this but I'm not sure if I did it right

8 0
2 years ago
Read 2 more answers
What is the equation between the points (2,3) and (-2,6)
zlopas [31]
The equation between the points (2, 3) and (-2, 6) is “y = -3/4x + 9/2.
7 0
3 years ago
The area of this rectangle is 4x2
meriva

Answer:

8 units squared.

Step-by-step explanation:

Assuming the numbers are the length and width, we can use the formula for finding the area of the rectangle.

The area should be eight units squared.

a = l * w\\a = 4 * 2\\a= 8

3 0
3 years ago
A lead cylinder has a mass of 540 grams and a density of 2.70g/ml calculate the volume of the cylinder
mart [117]

The relation between density , mass and volume is given by :

Density =  \frac{mass}{volume}

We are given:

Mass= 540 grams

Density = 2.70 g/ml

So plugging the values in the formula to find volume:

2.70 =  \frac{540}{volume}

Volume =  \frac{540}{2.70}

Volume =200 liters.

Answer : Volume of the lead cylinder is 200 liters.

3 0
3 years ago
Read 2 more answers
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