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3 years ago

Anyone wanna chat?? =>

Mathematics

2 answers:

posledela3 years ago

8 0

Answer:

sure

Step-by-step explanation:

torisob [31]3 years ago

3 0

Answer:

Sure wassup?

Step-by-step explanation:

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25% of what number is 20

ycow [4]

Answer:

100

Step-by-step explanation:

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2 years ago

PLEASE HELPPP<br> Find the solution to the system of equations

Alenkasestr [34]

The answer is y=29.3233+7x(28-29) i’m a math teacher trust

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3 years ago

Solving Systems by Elimination 3a

bixtya [17]

Answer:.

Step-by-step explanation:.

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2 years ago

Find the sum of 2/9+3/5

LUCKY_DIMON [66]

Answer:

37/45

Step-by-step explanation:

Find the least common denominator, in this case, it would be 45

2/9 (multiply both the numerator and denominator by 5) = 10/45

3/5 (multiply both the numerator and denominator by 9) = 27/45

10/45 + 27/45 = 37/45

7 0

2 years ago

cylinder with height 9 inches and radius is filled with water, it can fill a certain pitcher. How many of these pitchers can a c

larisa [96]

Answer:

Step-by-step explanation:

The 1st cylinder used to fill the pitcher has:

height:

h = 9 in

radius:

r = r

The volume of a cylinder is given by:

$V=\pi r^2 h$

Therefore, the volume of the 1st cylinder is

$V=\pi r^2 9=9\pi r^2$

We are told that the water inside this cylinder can fill a certain pitcher, so this is also the volume of the pitcher.

Then, we have a second cylinder, which has height

h = 9 in

and radius

r' = 2r

So the volume of this cylinder is

$V'=\pi r'^2 h = \pi (2r)^2 9 =9\pi (4r^2)=36\pi r^2$

This means that the number of pitchers that can be filled by this 2nd cylinder is

$n=\frac{V'}{V}=\frac{36\pi r^2}{9\pi r^2}=4$

8 0

3 years ago