3 years ago

A bag contains red and blue marbles. In a representative sample of 20 marbles, there are 8 blue marbles.

Mathematics

1 answer:

vivado [14]3 years ago

7 0

Answer:

there are 12 red marbles

Step-by-step explanation:

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Differentiate Functions of Other Bases In Exercise, find the derivative of the function.

Maslowich

Answer:

$\frac{dy}{dx}=3x^{3x}(lnx+1)$

Step-by-step explanation:

We are given that a function

$y=x^{3x}+1$

We have to find the derivative of the function

Let $u=x^{3x}$

$y=u+1$

Taking ln on both sides

$lnu=3xln x$

By using $lna^b=blna$

Differentiate w.r.t x

$\frac{1}{u}\frac{du}{dx}=3(lnx+x\times \frac{1}{x})=3(lnx+1)$

$\frac{d(lnx)}{dx}=\frac{1}{x}$

$\frac{d(u\cdot v)}{dx}=u'v+v'u$

$\frac{du}{dx}=3u(lnx+1)=3x^{3x}(lnx+1)$

Differentiate y w.r.t x

$\frac{dy}{dx}=\frac{du}{dx}$

Using the value of du/dx

$\frac{dy}{dx}=3x^{3x}(lnx+1)$

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3 years ago

If you run a mile in 12 minutes, how fast are you running in miles per hour?

BaLLatris [955]

5 miles per hour. work is 60÷12= 5.

6 0

3 years ago

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the width of a rectangular paper is 8.5 inches,and the diagnal length is 14 inches . what is the length of the piceof paper in i

AysviL [449]

Answer:

Step-by-step explanation:

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3 years ago

one year, super bowl commercial time sold for 4 million for 30 seconds of air time. What was the price per second? Round to the

My name is Ann [436]

<h3>you can create a table using price per second or just dividing 4 million by 30. after, you will find the proportional relationship, which is 133333.3 (rounded to nearest cent will be 133333.) therefore, price per second is 133333. </h3>

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4 years ago

4. Write the equation in slope-intercept form. Slope = -3/4, point (0, 4)

jeyben [28]

Y=mx+b
m = slope
y = -3x/4 +b
4 = -3*0/4 + b
4 = b
y -3x/4 + 4

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3 years ago