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Lady_Fox [76]
3 years ago
15

The dimensions of a conical funnel are shown below: A conical funnel is shown with the height of the cone as 7 inches and the ra

dius of the base as 3 inches. Betty closes the nozzle of the funnel and fills it completely with a liquid. She then opens the nozzle. If the liquid drips at the rate of 14 cubic inches per minute, how long will it take for all the liquid in the funnel to pass through the nozzle? (Use π = 3.14.)
Mathematics
2 answers:
tankabanditka [31]3 years ago
7 0

Answer: just toke the exam the answer is 4.71

Step-by-step explanation:

Nataly [62]3 years ago
5 0
The first thing we should know in this case is that by definition the flow of liquid is given by:
 Q = V / t
 Where,
 V: volume
 t: time
 The volume of the cone is given by:
 V = (pi * r ^ 2 * h) / (3)
 Where,
 r: radio
 h: height
 Substituting the values we have:
 V = (3.14 * ((3) ^ 2) * 7) / (3)
 V = 65.94 in ^ 3
 We now turn off the time of the flow equation:
 t = V / Q
 Substituting values:
 t = (65.94) / (14)
 t = 4.71 minutes
 Answer:
 It will take for all the liquid in the funnel to pass through the nozzle about:
 t = 4.71 minutes
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Give three rational numbers between -2 and -1
Liono4ka [1.6K]

Answer:

-1.9, -1.8, and -1.7 (answers will vary)

Step-by-step explanation:

Since you have to pick a rational number that is between -2 and -1 there is an infinite options you can choose from. A rational number is a number that can be written as a fraction so you could choose a number like -1.0000000000000000000000001 and 1.999999999999999999999999.

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3 years ago
Why is 59.47 > 59.3?
Charra [1.4K]
Because .4 is bigger than .3.

the closer you are to .9 the more closer you are to a positive 1

hope this helps :) 
8 0
3 years ago
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Karyn proofreads 15 pages in 2 hours for $40. What is her proofreading rate in pages per hour?
vladimir1956 [14]
Hey there,
2 hours = 15 pages
1 hour = 15 / 2
           = 7.5 pages
15 pages = $40
1 page = $40 / 15
            = $2.666666666666667
7.5 pages= $2.666666666666667 x 7.5
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4 0
3 years ago
Need help asap ..Can someone please help me solve this area?
Bond [772]
Im pretty sure its 180 hope this helps 
3 0
3 years ago
Math
denis-greek [22]

Answer:

\bullet \ \large\text{The mean in period 2 is higher than the mean in period 1.}

Step-by-step explanation:

<u><em>the mean in period</em></u> 1 :

(2.3+2.1+2.2+2.2+2.2+2.1+2.4+2.5+2.2+2.0+1.9+1.9+2.1+2.2+2.3)÷15=21.733...

<u><em>the mean in period</em></u> 2 :

(2.3+2.1+3.3+1.5+3.6+1.6+3.0+1.1+4.7+2.1+2.4+1.9+2.8+0.5+2.3)÷15=23.466...

Since 23.466 > 21.733 then “The mean in period 2 is higher than the mean in period 1”.

7 0
2 years ago
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