Type the correct answer in the box.

Mathematics

1 answer:

statuscvo [17]3 years ago

4 0

Step-by-step explanation:

V should be written as (1/3) pi r^2 h

V = (1/3) pi r^2 h multiply by 3

3V = pi r^2 h Divide by pi

3V/ pi = r^2 h Divide by r^2

3V / (pi *r^2 ) = h

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Paint sells in metal cans one gallon each. How many gallons of paint must be purchased to paint a room containing 840 square fee

Kisachek [45]

Answer:

5 Gallons of paint

Step-by-step explanation:

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6 0

2 years ago

Find the difference 9 1/3 - 2/3

olga2289 [7]

Answer: 9 1/3 - 2/3 = 8 2/3 .
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Note: If the answer were "8 1/3" ;

then: "8 1/3 + 2/3 =? 9 1/3 ? "

→ "8 1/3 + 2/3 = 8 3/3 = 8 + 1 = 9 = only "9" ;
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So the answer has to be MORE than "8 1/3"

Try "8 2/3" → "8 2/3 + 2/3 =? 9 1/3?" ?? ;

→ "8 2/3 + 2/3 = 8 4/3 = 8 + 1 1/3 = 9 1/3 " → Yes!
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So, the answer is: "8 2/3" .
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Another method:
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Given the problem: "9 1/3 - 2/3 " ;
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Note that: "2/3 = 1/3 + 1/3"
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So, "9 1/3 - 2/3 = 9 1/3 - (1/3 + 1/3) = 9 1/3 - 1/3 - 1/3 = ?
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Start with: "9 1/3 - 2/3" = 9. Then 9 - 1/3 = 8 3/3 - 1/3 = 8 2/3.
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Another method:
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Given the problem:
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"9 1/3 - 2/3 = ?? " ;
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Convert "9 1/3" into "28/3" ; ("3*9 = 27"); ("27+1=28");
(The "3" comes from the "3" in the: "1/3" portion.)
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So, we rewrite as:
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28/3 - 2/3 = (28 - 2) / 3 = 26/3 ; or, 8 2/3 .
__________________________________________________

3 0

3 years ago

Can someone please help with this!

Sever21 [200]

mathpapa should n could help

8 0

3 years ago

Read 2 more answers

Please help me solve please show how you got the answer

aleksklad [387]

Answer:

Based on the linear relation shown above, when the y coordinate is 3, the x coordinate is 8.