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rewona [7]
2 years ago
15

PLS HELP ASAP THIS IS DUE TODAY AND IM JUST NOW REMEMBERING IT

Mathematics
2 answers:
ANTONII [103]2 years ago
7 0

<em>i think it's just simply</em> y - 7 <em>?</em>

fredd [130]2 years ago
4 0

Answer:

Its y-7

Step-by-step explanation:

7 less than Y/ y - 7

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A cylindrical tank with radius 3 m is being filled with water at a rate of 4 m3/min. How fast is the height of the water increas
Fittoniya [83]

Height of the water increasing is at rate of  #(dh)/(dt)=3/(25 pi)m/(min)#

<h3>How to solve?</h3>

With related rates, we need a function to relate the 2 variables, in this case it is clearly volume and height. The formula is:

#V=pi r^2 h#

There is radius in the formula, but in this problem, radius is constant so it is not a variable. We can substitute the value in:

#V=pi (5m)^2 h#

Since the rate in this problem is time related, we need to implicitly differentiate wrt (with respect to) time:

#(dV)/(dt)=(25 m^2) pi (dh)/(dt)#

In the problem, we are given #3(m^3)/min# which is #(dV)/(dt)#.

So we need to substitute this in:

#(dh)/(dt)=(3m^3)/(min (25m^2) pi)=3/(25 pi)m/(min)#

Hence,  Height of the water increasing is at rate of  #(dh)/(dt)=3/(25 pi)m/(min)#

<h3>Formula used: </h3>

#V=pi r^2 h#

To Learn more visit:

brainly.com/question/4313883

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4 0
2 years ago
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Why is a variable exponent a number plus a variable adds eg: (x)*+(x) =?<br>​
oksano4ka [1.4K]

Answer:

10+10=20

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3 0
3 years ago
To restaurants
spayn [35]

Answer:

\large \boxed{\mathrm{served \ a \ greater \ variety \ of \ ages}} \\ \\ \large \boxed{\mathrm{range}}

Step-by-step explanation:

Restaurant A <u>served a greater variety of ages</u> than Restaurant B, because the <u>range</u> of data for Restaurant A is greater than that of Restaurant B.

Range of a data set is the data spread.

Restaurant A is serving a greater variety of ages of people since it has a higher range than that of Restaurant B.

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What is the perimeter of the figure? <br> 229 4/9 ft<br> 229 2/3 ft<br> 230 2/3 ft <br> 231 ft
mote1985 [20]

The answer would be 230 2/3, because to get the perimeter you have to add all the sides together, 60 5/6 + 59 1/3 + 56 1/6 + 54 1/3 = 230 2/3

6 0
3 years ago
1. The value of y varies directly with x. If y = 30 when x =1/5
algol [13]

Answer:

4. b) 30

5. c) y=2/3x+9

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Step-by-step explanation:

6 0
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