3 years ago

Please answer the question in the picture

Mathematics

1 answer:

Schach [20]3 years ago

3 0

Answer:

Step-by-step explanation:

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Sophie says that if the interior angle of a triangle is 65 degrees and the exterior one is 295 degrees. Comment on her thinking

Yuri [45]

Sophie is correct because 295 + 65 = 360 and 360 is the # of degrees in a full circle

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2 years ago

Simplify this equation, 12x+7x+8y+12^2+y+12=

soldi70 [24.7K]

12x+7x+8y+12^2+y+12=19x+9y+24^2

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3 years ago

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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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2 years ago

A table showing Number, Value, and Total Value. The first row shows Pennies, with the entries, p, 0.01, and 0.01 p. The second r

Romashka [77]

Answer:

B: 0.01p + 0.05(22 – p) = 0.54

Step-by-step explanation:

B on edge

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2 years ago

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For less than than an number x is eight

Lapatulllka [165]

If for is four then x-4=8
thus would make x 12

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3 years ago