3 years ago

What is the third derivative of tan x?

Mathematics

1 answer:

azamat3 years ago

4 0

The First is sec^2(x). Second is 2sec^2tanx. From that you get 2[2sec^2xtan^x+sec^4x]

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How many liters of a 40% sugar solution must be mixed with 30 liters of a 60% sugar solution to make a 56 % sugar solution?

konstantin123 [22]

Answer:

7.5 liters of a 40% sugar solution

Step-by-step explanation:

Let

x ----> liters of a 40% sugar solution

Remember that

$40\%=40/100=0.40\\60\%=60/100=0.60\\56\%=56/100=0.56$

we know that

The amount of liters of a 40% sugar solution (x) multiplied by 0.40 plus the amount of liters of a 60% sugar solution (30 L) multiplied by 0.60 must be equal to the total amount of liters mixed (x+30) multiplied by 0.56

$0.40x+0.60(30)=0.56(x+30)$

solve for x

$0.40x+18=0.56x+16.8\\0.56x-0.40x=18-16.8\\0.16x=1.2\\x=7.5\ L$

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On a horizontal number line, –43 is located to the left of –35.

KatRina [158]

Answer:

-43 <-35

Step-by-step explanation:

hope it helps.................

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2 years ago

X + 2y = 72 what are my x and y points on a graph for this equation? please explain

pishuonlain [190]

To find the y int, sub in 0 for x and solve for y
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