3 years ago

SOMEONE HELP ME PLEASE

Mathematics

1 answer:

jeyben [28]3 years ago

3 0

Answer:

$15,728.24 will be left in the account after 5 years.

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Translate the following phrase into an algebraic expression. Use the variable b to represent the unknown quantity.

otez555 [7]

Answer:

s/5=b

Step-by-step explanation:

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3 years ago

How do you find a missing angle or side length

notka56 [123]

Since you said angle, I assume you mean a triangle, so:

Take the number of the angles you have and add them, then, subtract it by 180. It gives you the missing angle of your triangle!

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3 years ago

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Oil is pumped continuously from a well at a rate proportional to the amount of oil left in the well. Initially there were 3 mill

abruzzese [7]

Answer:

V' = -0.11552 *V\\= -0.11552(1.8)\\ \\=-0.20794 million per year

Step-by-step explanation:

Given that oil is pumped continuously from a well at a rate proportional to the amount of oil left in the well. Initially there were 3 million barrels of oil in the well; six years later 1,500,000 barrels remain.

i.e. if V stands for volume of oil, then

$V' =kV\\dv/V= kdt\\ln V = kt+C\\V = Ae^{kt}$

To find A and k

V(0) = A = 3 million

Hence V = $3e^{kt}$

V(6) = 1.5

i.e. $1.5 = 3e^{6k}\\ln 1.5 =ln 3 +6k\\k = -0.11552$

$V(t) = 3e^{-0.11552t}$

a) Using the above value of k , we have

$V' = -0.11552 *V\\= -0.11552(1.8)\\ \\=-0.20794$ million per year.

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3 years ago

The scale on a map is 3 inches for every 6 1/4 miles. If the distance on the map is 5 1/2 inches, how far apart are the cities i

vovikov84 [41]

I think it is 34 3/8

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3 years ago

What is y + 20 < 180? please help me

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Answer:

y < 160

Step-by-step explanation:

y + 20 < 180

-20 < -20

y < 160

y is less than 160

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3 years ago

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