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Naily [24]
2 years ago
9

A family worked all day building a sandcastle on the beach. As they were building the castle they recorded the number of pails o

f sand that
were used. In all, the creation used 20 pails of sand. Each pail was cylindrical in shape, had a radius of 5" and was 10" in height. How many
cubic inches of sand were used in building the family's castle? (let pi = 3.14)
Mathematics
1 answer:
LiRa [457]2 years ago
5 0

Answer:

15708 cubic inches

Step-by-step explanation:

The formula for a cylandir is V=πr^2h, substitute in your known factors and multiply by 20 for the 20 pails used and you get your answer.

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How to know what number is a rational number?
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Answer:

A rational number is a number that can be made by dividing two integers (an integer is a number with no fractional part).  The word rational includes the word "ratio." Rational numbers are basically numbers, either positive or negative that you get by dividing 2 numbers. Any number is a rational number, even fractions and decimals, except pi due to the fact that it's a irrational number.

Step-by-step explanation:

Examples of rational numbers include, 1, which you get by dividing 1 by 1, 2 which you get by dividing 2 by 1 and 2.12, which you get by dividing 212 by 100.

4 0
2 years ago
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What value is needed to complete the square? Show all steps. <br> x^2 - 2x +__
Sunny_sXe [5.5K]

In completing the square method, considering the equation X^2 - 2x +  the number to be added should be<u> 1 </u>to make it a perfect square

<h3>How to know term that should added</h3>

The standard quadratic equation is of the form

ax^2 + bx + c

The completing the square method is one of the methods of solving quadratic equations

The factor to be added to the equation while using the completing the square method is of the formula

(b / 2a)^2

compared to the equation in the problem X^2 - 2x +

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= (2 / 2)^2

= (1)^2

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Learn more on quadratic equations here:

brainly.com/question/29227857

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7 0
10 months ago
There are three groups of elderly residents at Bayside Residential Home, one with 14 members, the next with 23 members, and the
Arturiano [62]

Answer:

Total Cost - 54c

Step-by-step explanation:

Given is 3 groups of elderly residents at the Bayside Residential Home. One of the home has 14 members, another one with 23 members and the third one with 17 members. Supposing that 'c' represent the cost of trip per resident.

Calculation,

Total of residence

14+23+17

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Hence, since there are 54 residents, total cost 54c.

7 0
3 years ago
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tensa zangetsu [6.8K]

Answer:

62/100 multiplied by 650 which is 403 fruits left

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2 years ago
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LUCKY_DIMON [66]

Answer:

In the picture.

Step-by-step explanation:

I hope that it's a clear solution.

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3 years ago
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