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3 years ago

Can someone please tell me what 35% of 80 is.

Mathematics

2 answers:

Naya [18.7K]3 years ago

8 0

28 is the answer if you want I can explain it but I won’t go into detail now

Studentka2010 [4]3 years ago

7 0

10% = 8
8 x 3 = 24
5% = 4
24 + 4 = 28
Hope this helps, have a nice day! :)

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nordsb [41]

Answer:

18.66 ft/s

Step-by-step explanation:

The distance between you and the elevator is given by:

$h=\sqrt{x^2+y^2}$

The rate of change for the distance between you and the elevator is given by:

$\frac{dh}{dt}=\frac{dh}{dy}*\frac{dy}{dt}$

$-16=\frac{dh}{dy}*\frac{dy}{dt}$

$\frac{dh}{dy}=\frac{d}{dy} (\sqrt{x^2+y^2})\\$

Applying the chain rule:

$u=x^2+y^2\\\frac{dh}{dy}=\frac{d\sqrt u}{du} *\frac{du}{dy}\\\frac{dh}{dy}=\frac{1}{2\sqrt u} *2y\\\frac{dh}{dy}=\frac{y}{\sqrt {(x^2+y^2)}}$

Therefore, at x=300 and y = 500, dy/dt is:

$-16=\frac{y}{\sqrt {(x^2+y^2)}}*\frac{dy}{dt}\\-16=\frac{500}{\sqrt {(300^2+500^2)}}*\frac{dy}{dt}\\\frac{dy}{dt}=-18.66\ ft/s$

The elevator is descending at 18.66 ft/s.

7 0

3 years ago

Ahmose drank 35% of a 400mL container of orange juice. Tutankhamun drank 45% of a 350mL container of orange juice. Who drank mor

OlgaM077 [116]

Answer:

Tutankhamun

Step-by-step explanation:

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3 years ago

In a population of 10,000 geese the growth rate is 4% per year. What is the total increase in population over 4 years? Round you

omeli [17]

Answer:

Step-by-step explanation:

10000*4%= 400 Geese year1

10400*4%=416 Geese year 2

10816*4%= 432.64 Geese year 3

11,248.64*4%= 449.95 Geese. year 4

11248.64+449.95= 11698.59

11698.59-10000=1698.59

Increased by 1699 Geese.

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3 years ago

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Vladimir79 [104]

X-8+y^2=52 is the answer I believe

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4 years ago

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tatuchka [14]

Answer:

Yes, this is a valid inference because she took a random sample of the neighborhood.

Step-by-step explanation:

As her survey was non bias and completely random and she found that 15% of the families would participate in the event. She claims that 15% of the neighborhood families would be expected to participate in the sports event. So, yes, this is a valid inference because she took a random sample of the neighborhood.

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3 years ago

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