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LUCKY_DIMON [66]
3 years ago
11

Boris pushes a 5 lb. box 6 feet in 2 seconds. He has _____.

Mathematics
2 answers:
emmasim [6.3K]3 years ago
8 0

Answer:

B: a power output of 30 ft-lbs./sec

Step-by-step explanation:

andre [41]3 years ago
3 0

Answer:

B.

Step-by-step explanation:

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If f is a differentiable function, find an expression for the derivative of each of the following functions
almond37 [142]

12a. Answer:  d) x⁶ f'(x) + 6x⁵ f(x)

<u>Step-by-step explanation:</u>

Use the multiplication formula for derivatives:

y = a · b       →     y' = a'b + ab'

<u>y = x⁶ · f(x)     </u>  

a = x⁶          b = f(x)

a' = 6x⁵       b' = f'(x)

<u>y' = a'b + ab'</u>

y' = 6x⁵ f(x) + x⁶ f'(x)

***************************************************************

12b. Answer:  \bold{b)\ y=\dfrac{xf'(x)-9f(x)}{x^{10}}'}

<u>Step-by-step explanation:</u>

Use the division formula for derivatives:

y=\dfrac{a}{b}       →     y' = \dfrac{a'b - ab'}{b^2}

y=\dfrac{f(x)}{x^9}\\\\a=f(x)\qquad b=x^9\\\\a'=f(x)\qquad b'=9x^8\\\\y'=\dfrac{a'b-ab'}{b^2}\\\\y'=\dfrac{x^9f'(x)-9x^8f(x)}{(x^9)^2}\\\\.\ =\dfrac{x^9f'(x)-9x^8f(x)}{x^{18}}\\\\\text{factor out }x^{8}: y'=\dfrac{xf'(x)-9f(x)}{x^{10}}

Note: You can also move the denominator to the top (it will have a negative exponent) and use the multiplication formula for derivatives.

5 0
3 years ago
Need help please I can’t seem to find the answer anywhere
bulgar [2K]

Answer:

The question mark is 10. x is 2.

Step-by-step explanation:

The question mark is 10. Divide Both Sides by five. x=2.

8 0
3 years ago
Read 2 more answers
Write a linear function f with f(0)=3 and f(−6)=3.<br><br> f(x)=
jeyben [28]

Answer:

y = 3

Step-by-step explanation:

The equation of a line is;

y = mx + c

Now, when f(0) = 3, it means at x = 0, y = 3.

Thus;

3 = 0 + c

3 = c

Also, f(−6) = 3

Thus;

3 = -6m + 3

6m = 3 - 3

6m = 0

m = 0/6

m = 0

Thus,equation is;

y = c

y = 3

6 0
3 years ago
A little help would be greatly appreciated. A function is created to represent the amount of money you save or spend each day of
Nutka1998 [239]

Answer: range would include only positive integers

Step-by-step explanation:

Integers are all numbers including negative and positive numbers and 0. Since you can't have a negative amount of money that means that it can only be positive

8 0
3 years ago
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I WILL GIVE BRAINLIEST
Katen [24]

Answer:

40 square inches

step-by-step explanation:

The new club sticker is in the shape of a triangle

It has a height of 8 inches

And a base of 10 inches

Area of a triangle is given by: \frac{1}{2} × base × height

Area of the triangular club sticker = \frac{1}{2} × 10 inches × 8 inches = 40 square inches.

8 0
3 years ago
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