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3 years ago

A snowboarder is traveling at 6 miles every 9 minutes. At this rate, the

Mathematics

2 answers:

monitta3 years ago

7 0

Answer:

8 miles

Step-by-step explanation:

6/9 = x/12

6/9*12 = 8

8 miles

pishuonlain [190]3 years ago

7 0

He will travel 8 miles

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What is the decimal form of 8 and 39/40

steposvetlana [31]

8.975 is the correct answer

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3 years ago

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What is 6324 Divided by 32 and how to solve it by showing your workl

Viktor [21]

Answer:

197.625

Step-by-step explanation:

6324/32 = 1581 =8

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2 years ago

Differentiating a Logarithmic Function in Exercise, find the derivative of the function. See Examples 1, 2, 3, and 4.

Leni [432]

Answer: $\dfrac{2x^2-1}{x(x^2-1)}$

Step-by-step explanation:

The given function : $y=\ln(x(x^2 - 1)^{\frac{1}{2}})$

$\Rightarrow\ y=\ln x+\ln (x^2-1)^{\frac{1}{2}}$ [ $\because \ln(ab)=\ln a +\ln b$ ]

$\Rightarrow y=\ln x+\dfrac{1}{2}\ln (x^2-1)}$ [ $\because \ln(a)^n=n\ln a$ ]

Now , Differentiate both sides with respect to x , we will get

$\dfrac{dy}{dx}=\dfrac{1}{x}+\dfrac{1}{2}(\dfrac{1}{x^2-1})\dfrac{d}{dx}(x^2-1)$ (By Chain rule)

[Note : $\dfrac{d}{dx}(\ln x)=\dfrac{1}{x}$ ]

$\dfrac{1}{x}+\dfrac{1}{2}(\dfrac{1}{x^2-1})(2x-0)$

[ $\because \dfrac{d}{dx}(x^n)=nx^{n-1}$ ]

$=\dfrac{1}{x}+\dfrac{1}{2}(\dfrac{1}{x^2-1})(2x) = \dfrac{1}{x}+\dfrac{x}{x^2-1}\\\\\\=\dfrac{(x^2-1)+(x^2)}{x(x^2-1)}\\\\\\=\dfrac{2x^2-1}{x(x^2-1)}$

Hence, the derivative of the given function is $\dfrac{2x^2-1}{x(x^2-1)}$ .

8 0

3 years ago

The shaded portion of the grid below represents the portion of a granola bar remaining.

Nady [450]

Answer:

A. 1%

B. 80%

C. 0.8, 8/10

Step-by-step explanation:

A. There are 100 blocks so each block is 1/100 which is 1%

B. As you can see, there are 80 blocks shaded so that would be 80/100 which is 80%

C. You can represent a percent as a decimal or a fraction

Hope this helped!

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3 years ago

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Which pair of numbers has an LCM of 20?<br> 1. 4 and 5<br> 2.5 and 10<br> 3. 2 and 10

Rainbow [258]

Answer:

3. 2 and 10

Step-by-step explanation:

let me know if im wrong

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3 years ago