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1 year ago

13

Find all possible values of theta if it is between

1 answer:

andrew11 [14]1 year ago

5 0

See attached image for work.

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A cylinder is filled with 900 liters of water.find the area of its base if height of cylinder is 20dm.

Lisa [10]

The formula of the volume of a cylinder:

$V=\pi r^2H\\\\where:\\\\r-a\ radius\\H-a\ height\\\pi r^2-an\ area\ of\ base$

We have:

$V=900\ liters\\1L=1dm^3\ therefore\ V=900L=900dm^3$

and

$H=20\ dm$

substitute:

$\pi r^2\cdot20=900\ \ \ |:20\\\\\pi r^2=45\ dm^2$

Answer: The area of a base of the cylinder is equal 45 dm².

5 0

3 years ago

Okay, I'm going to be adding more but what is 4/10 x 3?

Marat540 [252]

Answer:

6/5 or 1 1/5

6/5 is an improper fraction, so I didnt know if youd need an improper one or a proper one. They both are the same thing though :)

Step-by-step explanation:

4/10*3

They both need to be a fraction, and any number over 1 = that number. So,

4/10*3/1

4*3=12

10*1=10

12/10

Then, you have to simplify the fraction.

6/5 (bc 2 goes into 12 6 times and 2 goes into 10 5 times)

or 1 2/10= 1 1/5

Hope this helps. Plz give brainliest. Also, plz sub to Kgirl633 on yt.

4 0

2 years ago

Read 2 more answers

80% of what number is 5

seropon [69]

Answer:

1

Step-by-step explanation:

80% = 0.80

0.80 x 5 = 4

5 - 4 = 1

7 0

3 years ago

Read 2 more answers

In the following activity, write an equation to represent each verbal statement, and use it to find the value of each unknown nu

Artemon [7]

In order of the questions:
Q1: -1/2
Q2: -3/4
Q3: -10
Q4: -13
Q5: 21

In order from smallest to largest:
Q4 Q3 Q2 Q1 Q5

7 0

2 years ago

Read 2 more answers

An archeologist used the functions below to model the changing populations of two ancient cities as they grew in size. Compare t

Lyrx [107]

Answer:

The answer is "6.3 and 5.25"

Step-by-step explanation:

Please find the complete question in the attached file.

Throghout the question the calculated points are:

$(0,0) , \ \ (40,252) \\(0,0) , \ \ (40,210) \\$

Formula for Calculating slope:

$M=\frac{y_2-y_1}{x_2-x_1}$

For First point slope:

$M=\frac{252-0}{40-0}=\frac{252}{40}= 6.3 \ \frac{people}{mi^2}$

For second point slope: $M=\frac{210-0}{40-0}=\frac{210}{40}=\frac{21}{4}= 5.25 \ \frac{people}{mi^2}$

8 0

2 years ago