2 years ago

14 is 12 1/2% of what number?

Mathematics

1 answer:

sukhopar [10]2 years ago

7 0

Answer:

112

Step-by-step explanation:

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The original price of a pair of jeans is $32 the sales price 15% off the original price what is the amount off the original pric

ivolga24 [154]

$32+15%=32.15

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3 0

3 years ago

At what values of x does f(x) = x^3 - 2x^2 -4x+1 satisfy the mean value theorwm on [0,1]

denis-greek [22]

Answer:

x=1/3

Step-by-step explanation:

A function f is given as

$f(x) = x^3-2x^2-4x+1$ in the interval [0,1]

This function f being an algebraic polynomial is continuous in the interval [0,1] and also f is differntiable in the open interval (0,1)

Hence mean value theorem applies for f in the given interval

$f(1) = 1-2-4+1 = -4\\f(0) = 1$

The value

$\frac{f(1)-f(0)}{1-0} =\frac{-4-1}{1} =-5$

Find derivative for f

$f'(x) = 3x^2-4x-4$

Equate this to -5 to check mean value theorem

$3x^2-4x-4=-5\\3x^2-4x+1=0\\\\(x-1)(3x-1) =0\\x= 1/3 : x = 1$

We find that 1/3 lies inside the interval (0,1)

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3 years ago

60 students want lemonade and 16 students want iced tea. What is the ratio of the number of students who want iced tea to the nu

Burka [1]

Answer:

16:60 = 4/15

Step-by-step explanation:

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2 years ago

Will give brainliest!!

swat32

Answer:

its 5 hours i think

Step-by-step explanation:

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3 years ago

The line y = 2x +k is a tangent to the curve x² + 2xy + 20 = 0.

emmasim [6.3K]

A is 23.4 and b should be k point at 26

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2 years ago