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3 years ago

15

Differentiate f(x)=x^2sin(x)

1 answer:

yanalaym [24]3 years ago

6 0

x^2 cos(x)+2x sin (x)

Hope this helps!

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The sum of three consecutive numbers is 72 what is the smallest of the numbers

mylen [45]

Answer:

23

Step-by-step explanation:

Suppose,

the first number = x

the second number = x+1

the third number = x+1+1 = x+2

Question wise,

x+x+1+x+2 = 72

3x+3 = 72

3x = 72-3 = 69

x = 69/3 = 23

so the numbers are,

23,(23+1)=24 and (23+2)=25

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2 years ago

39 POINTS!! I NEED HELP ASAP!!!!!!! 2 QUESTIONS!!!!!

dangina [55]

Answer: 1) $A = 28ft^{2}$

2) 55 points

Step-by-step explanation:

1) A= 8w + 18, w=1.25

A = 8(1.25) + 18

A = 10 + 18

A = 28ft^2

2) 25 points to start with, additional 5 points per magazine they sell, m = number of magazines they sell

total points = 25 + 5m

How many if they sell 6?

total = 25 + 5(6)

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total = 55

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adelina 88 [10]

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2 years ago

The area of another rectangle is x² + 5x + 6. If one side measures (x + 2), what is the measure of the other

tiny-mole [99]

L=x+2
We need B

$\\ \sf\longmapsto LB=Area$

$\\ \sf\longmapsto B(x+2)=x^2+5x+6$

$\\ \sf\longmapsto B(x+2)=(x+2)(x+3)$

Cancel x+2

$\\ \sf\longmapsto B=x+3$

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2 years ago

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Step-by-step explanation:

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3 years ago