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MArishka [77]
3 years ago
11

PLSS HELLP!!!! REAALLY DON"T UNDERSTAND.

Mathematics
1 answer:
mixas84 [53]3 years ago
5 0

Answer:

103101.4285cm³

Step-by-step explanation:

1.formulae for volume of a cylinder is πr²h ( pi× the square of the radius×height of the cylinder)

So volume =π×(27)²×(45)

V=32805π ,but π=22/7 .therefore V=32805×22/7 =103101.4286cm³

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Ellie needs new grass in the circular pen for her chickens. There is 175.84 feet of fencing around the circular pen. What is the
pshichka [43]
<h3>Area of pen is 2462 square feet</h3>

<em><u>Solution:</u></em>

Given that,

Ellie needs new grass in the circular pen for her chickens

There is 175.84 feet of fencing around the circular pen

Therefore,

Circumference = 175.84 feet

<h3><u>The circumference of circle is given as:</u></h3>

C = 2 \pi r

Where, "r" is the radius of circle

175.84 = 2 \times 3.14 \times r\\\\175.84 = 6.28 \times r\\\\r = \frac{175.84}{6.28}\\\\r = 28

<h3><u>The area of circle is given as:</u></h3>

Area = \pi r^2\\\\Area = 3.14 \times 28^2\\\\Area = 3.14 \times 784\\\\Area = 2461.76 \approx 2462

Thus area of pen is 2462 square feet

4 0
4 years ago
The price of a certain stock fell $2 each day for 4 consecutive days. Write an expression that you could use to find the change
Paha777 [63]

Answer:

35

Step-by-step explanation:

d=-2\\n=4\\a_4=a_1+3d\\if\; a_1=41\; then\; a_4=41+3\times(-2)=41-6=35

6 0
3 years ago
How to solve that problem
Dominik [7]

We can only see one problem.

That triangle is a isosceles, because it has 2 congruent sides.

-Steel jelly


8 0
3 years ago
How do you subtract an integer from another integer without using a number line or counters? Give an example.
torisob [31]
If they are two positive numbers, do it normally. If there is a negative and a positive, change it to addition and switch the SECOND integer sign. Only works with two integer…s in a subtraction question.
8 0
3 years ago
These numbers tell how many books five different students read in the past six months. 8, 11, 15, 22, and 6 a) Create a differen
Anastaziya [24]

Answer:

Kindly check explanation

Step-by-step explanation:

Given the data:

Origibal data set

8, 11, 15, 22, 6

Rearranging The value :

x : 6, 8, 11, 15,22

Mean = Σx / n

n = sample size =5

Mean = (6+8+11+15+22) = 62

Mean = 62 / 5 = 12.4

Median = 1/2(n+1)th term

Median = 1/2(6)th term = 6/2 = 3rd term = 11

A.)

X = 4, 5, 15, 23, 19

MEAN = (4 +5 + 15 + 23 + 19) / 5 = 13.2

B.)

X = 2, 6, 5, 23, 34

Mean = (2+6+5+23+24) / 5

Mean = 60 / 2 = 12

C.)

X = 3, 7, 12, 21, 13

X = 3, 7, 12, 13, 21

Mean = (3+7+12+13+21) /5 = 11.2

Median = 1/2(6)th term = 6/2 = 3rd term = 12

6 0
3 years ago
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