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dedylja [7]
3 years ago
10

I need help with this

Mathematics
1 answer:
Georgia [21]3 years ago
4 0

Answer:

The volume of hemi-sphere is calculated by:

V = (4/6) x pi x radius^3 = (4/6) x pi x 7^3 = 718.38

Hope this helps!

:)

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Helpppppppppppppppppppp plsss
insens350 [35]

Answer:

25

Step-by-step explanation:

he got an 80 so if that was his grade by answering 20 questions right then the correct answer would be 25 questions

5 0
3 years ago
The probability that you roll a two on a six-sided die is 1 6 16 . If you roll the die 60 times, how many twos can you expect to
vodomira [7]

Answer:

60 * 1/6 = 10

we can expect 10 times to roll the 2.

6 0
3 years ago
Read 2 more answers
I would like to know the value of b and c
Ratling [72]

Answer:

a = 3, b = 8, c = 14

Step-by-step explanation:

First, we can organize this, putting lower values first.

2, 3, 3, 5, 9, 9, 11, 12

a , b , c somewhere there

Given this information, one thing we can look at first is the mode. The mode is 3, so there must be more 3s than any other number. Currently, there are 2 3s and 2 9s, so there must be at least one more 3 and no more 9s to make that true. Therefore, a, b, or c is 3. Therefore, we have

2, 3, 3, 3, 5, 9, 9, 11, 12

2 of a, b, c somewhere in there

Next, the median is 8. In our current state, the median is 5. There are 9 numbers, with 11 total including the 2 remaining values. Because there will be an odd amount of values, the median must be a number on the list. Therefore, our list is

2, 3, 3, 3, 5, 8, 9, 9, 11, 12

1 of a, b, c somewhere in there

There are 4 numbers above the median and 5 numbers below right now. To balance this out, there must be another number above the median. As a consequence, the remaining value must be greater than 8.

Finally, we know that the range is 12, so maximum - minimum = 12. Because the remaining number must be greater than 8, the minimum number is 2, no matter what. Therefore,

maximum - 2 = 12

add 2 to both sides to isolate maximum

maximum = 14

There is no 14 currently on the list, so the remaining value must be 14.

Our a, b, and c are as follows, in order from smallest to largest:

3, 8, 14

8 0
2 years ago
Write a linear equation. Choose three input values and find the corresponding output values. Show your work.
erma4kov [3.2K]

Example of linear equation:

y = mx + b

Let's have the linear equation;

y = 2x + 3

<h3 /><h3>Put x=1</h3>

y = 2 \times 1 + 3  \\ y = 2 + 3 \\ y = 5

(x,y) = (1,5)

<h3>Put x=2</h3>

y = 2 \times 2 + 3 \\ y = 4 + 3 \\ y = 7

(x,y) = (2,7)

<h3>Put x=3</h3>

y = 2 \times 3 + 3 \\ y = 6 + 3 \\ y = 9

(x,y) = (3,9)

7 0
2 years ago
(image) The figure below is an isosceles triangle surmounted by a semi-circle. Find the area of the entire region.
S_A_V [24]

Answer:

12.53

Step-by-step explanation:

∠BCA = (180°-40°)/2 = 70°

Laws of Sines: CA/sin 40° = AB/sin 70° = 5/sin 70°

CA = 5/sin 70° * sin 40° = 3.40

area of semicircle CA = (3.1416 * 1.70²) / 2 = 4.54

By Heron's Formula, area of triangle ABC:

1/4 √(a+b+c) (a+b-c) (b+c-a) (c+a-b) = 1/4 * √13.4*3.4*3.4*6.6

                                                          = 7.99

Entire region area = 4.54 + 7.99 = 12.53

5 0
1 year ago
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