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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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Step-by-step explanation:

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3 years ago
Cuanto es (2x+2y=20) (-2x-6y=-52) con método de igualación y método de suma y resta
Nataly_w [17]

x =2       y =8

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2y-6y= -32 (-52+20= -32)

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9. (X + 8)^2 - 5 = 0
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3 years ago
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Read 2 more answers
If f(x)=5x0+4x-3 then f(a)=
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Answer:

f=

1

/4

y+

−1

/2

Step-by-step explanation:

Let's solve for f.

y=5x^0+4x−3

Step 1: Flip the equation.

4x+2=y

Step 2: Add -2 to both sides.

4x+2+−2=y+−2

4x=y−2

Step 3: Divide both sides by 4.

4x

/4

=

y−2

/4

x=

1

/4

y+

−1

/2

=f=

1

/4

y+

−1

/2

<h3><em><u>brainliest please?</u></em></h3>
3 0
2 years ago
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