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3 years ago

How is the relationship between the formula for the volume of a cone and the formula for the volume of acylinder

1 answer:

4 0

The volume of the cylinder is calculated by using the product of the area of its base by its height. ... Therefore, the volume of a cone is . So, we can take a logical conclusion: “the volume of a cone means the third part of the volume of a cylinder having the same base and the same height”.

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The zurassic zoo charges $11 each for adult admissions and $4 each for each child. The total bill for the 138 people from a scho

LenaWriter [7]

The number of adults = 41

The number of children = 97

Step-by-step explanation:

Let x be the number of adults and

y be the number of children

then according to the given conditions

$x+y = 138\ \ \ Eqn\ 1\\11x+4y = 839\ \ \ Eqn\ 2$

From equation 1:

x = 138-y

Putting in equation 2

$11(138-y)+4y = 839\\1518-11y+4y = 839\\1518 -7y = 839\\-7y = 839-1518\\-7y = -679\\$

Dividing both sides by -7

$\frac{-7y}{-7} = \frac{-679}{-7}\\y = 97$

Putting y = 97 in equation 1

$x+ 97 = 138\\x = 138-97\\x = 41$

Hence,

The number of adults = 41

The number of children = 97

Keywords: Linear equations variables

Learn more about linear equations at:

#LearnwithBrainly

4 0

3 years ago

Write Expression from Context (mx+b)

Taya2010 [7]

Answer:

Total cost for 10 songs = 6 + [0.75 × 10]

= $13.5

Step-by-step explanation:

5 0

2 years ago

1) Write in the formula. What equals the perimeter P of the rectangle wich is 25 cm wide. (show the length with the letter b.) 2

Galina-37 [17]

Answer:

1)P = 2 x(L+l) = 2 x (25+L)

2) Maintaing L= 25 cm

P= 2x (25+45) = 140 cm²

P= 2x (25+0,25m) =2x(25+25)= 100 cm²

P= 2x (25+650 mm) =2x(25+65)= 180 cm²

d) ambigous

P= 2x (25+3dm) = 2x (25+30)=110 cm²

Step-by-step explanation:

6 0

3 years ago

Christy drove 132 miles in 2 3/4 hours. what was her average speed in miles per hour

mojhsa [17]

Christy's average mph is 48 because 132 divided by 2.75 = 48

4 0

3 years ago

Read 2 more answers

you spend 30 minutes reading emails. you theen spend 2 hours watching television write the ratio of the amount of tme spent read

Naddik [55]

2 hours = 120 minutes. So, 30/120 -> 15/60 -> 3/12 -> 1/4

6 0

3 years ago