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Arte-miy333 [17]
3 years ago
5

Help show work assig 8

Mathematics
1 answer:
ELEN [110]3 years ago
8 0

Answer:

Step-by-step explanation:

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The radius of a circular puddle is growing at a rate of 25 cm/sec.
tatiyna

Answer:

Step-by-step explanation:

a)area A=pi r^2

rate of change of area =dA/dt =2 pi r dr/dt

given dr/dt =25 ,r =50

rate of change of area =dA/dt =2 pi *50 *25 =2500pi=7854

area growing 7854 cm2/s

b)area A=pi r^2

rate of change of area =dA/dt =2 pi r dr/dt

given dr/dt =25 ,A =64

pi r^2 =64

=>r =8/√pi

rate of change of area =dA/dt =2 pi *(8/√pi) *25 =400√pi=708.98

area growing 708.98 cm2/s

8 0
3 years ago
A recipe says to use 3cups of flour to make 48 cookies. What is a constant of proportionality that related the number of cookies
MA_775_DIABLO [31]

Answer:

y=16 x=1

Step-by-step explanation:

For this one, we need to find the unit rate, which means how many cookies we can make using 1 cup of flour. To do that, we need to divide both the flour and the cookies by 3 to get 3/3=1 and 48/3=16. So the total amount of cookies made with one cup of flour is 16. So the constant proportionality is 16,1.

6 0
3 years ago
Can someone please help me i'll mark brainliest and give a 5 star rating :)))​
Alexxx [7]

Answer:

see below

Step-by-step explanation:

That is a LOT of questions

complement angles add to 90    suppleent angles add to 180

9)  complement = 50   supplelement = 140

13)  compl = 40     suppl = 130  

14) comp = 45        supple = 135

I think you can do the rest, right?

4 0
1 year ago
Jin drew a diagram to compare eubacteria and archaebacteria. Which label belongs in the area marked W? Are called "true" bacteri
likoan [24]
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5 0
3 years ago
Read 2 more answers
What is the answer explained to <br> 6+(-9)-(-5)-(5×0)
Zarrin [17]

Answer:

the answer is 2


Step-by-step explanation:


7 0
3 years ago
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