What is the approximate volume of a cone with a height of 6 mm and radius of 18 mm? Use 3.14 to approximate pi, and express your final answer to the nearest tenth.

Answers

Answer 1

Answer: Given:
radius = 18mm
height = 6mm
pi = 3.14

volume of a cone is computed by multiplying pi, radius raised to the 2nd power, and height, which has been divided by 3.

v = πr²h/3

v = 3.14 * (18mm)² x 6mm/3
v = 3.14 * 324mm² x 2mm
v = 2034.72 mm³

volume rounded to the nearest tenth would be 2034.70 mm³

Answer 2

Answer:

Answer

V = 2034.72 mm³

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What is the slope of the line by the equations below? y-9=15 (x-5)

Answers

Answer:

Use the slope-intercept form

to find the slope

Step-by-step explanation:

Cuz i know all that

To find the slope, you should rearrange the equation into slope-intercept form, ie. y = mx + c, where m is the gradient.

y - 9 = 15(x - 5)

y = 15(x - 5) + 9 (Add 9 to each side)

y = 15x - 15*5 + 9 (Expand 15(x - 5))

y = 15x - 75 + 9

y = 15x - 66

Therefor, the slope of the equation is 15.

4.27 repeating as a fraction

Answers

it's actually 47/11 if the .27 is repeating :)

4 27/100 or 427/100 is going to be the answer

the train traveled at an average speed of 48 miles per hour for the first 2 hours and at 60 miles an hour for the next hours. What was the train's average speed for the 6-hour trip? ( Average speed equals total miles divided by total time.)

Answers

Answer: 56 mph

Step-by-step explanation:

48 miles x 2 hours = 96 miles

60 miles x 4 hours = 240 miles

240 + 96 = 360 total miles

360 / 6 (hours) = 56 mph

Here's a pic of the question

Answers

Subtract 5x^3-7x+4 from 9x^3+2x^2-5x+5

Simplify. –10.5 – (–5.3) + 20.2

A.
36

B.
–36

C.
15

D.
–4.4

Answers

so you take -10.5+5.3+20.2=??

-10.5+5.3=-5.2

-5.2+20.2=15

Ur Answer Is 15

Did I Help??

Hope I Did!!

-10.5-(-5.3)+20.2
=-10.5+5.3+20.2
=15

.
..

1.) 8/1 - 1 and 11/16
2.) 1 and 3/5 + 1 and 1/4
3.) 5 and 1/4 - 1 and 1/8

Answers

$^(16))8-1(11)/(16)= (128)/(16)- (1\cdot16+11)/(16)= (128-27)/(16)=\bold{ (101)/(16)} \n \n 1 (3)/(5)+1 (1)/(4)=^(4))(1\cdot5+3)/(5) +^(5))(1\cdot4+1)/(4)= (32)/(20)+ (25)/(20)=\bold{ (57)/(20)} \n \n 5 (1)/(4)-1 (1)/(8)=^(4))(5\cdot4+1)/(4) -^(2))(1\cdot8+1)/(8)= (84)/(16)- (18)/(16)= (66)/(16)^((2)=\bold{ (33)/(8) }$

$\frac{8}1-1(11)/(16)=(8-1)-(11)/(16)=6(16-11)/(16)=\boxed{6(5)/(16)}$

$1\frac{3}5+1\frac{1}4=(1+1)+\frac{3}5+\frac{1}4=2+(3\cdot4+5)/(4\cdot5)=\boxed{2(17)/(20)}$

$5\frac{1}4-1\frac{1}8=(5-1)+(\frac{1}4-\frac{1}8)=4+(2-1)/(8)=\boxed{4\frac{1}8}$

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