3 years ago

Can someone please help me? I’m so close...

Mathematics

1 answer:

frez [133]3 years ago

8 0

I guess the answer is 6

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A cube has a volume of 8 cubic feet. What is the length of the cube?

Gelneren [198K]

Answer:

The side length is 2 ft

Step-by-step explanation:

A cube has a volume of

V = s^3

8 = s^3

Take the cube root of each side

8 ^ 1/3 = s^3 ^1/3

2 = s

8 0

3 years ago

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The two sales people for a local advertising firm are Trinity and Jason. Trinity sold $2,330 in ads and Jason sold $1,740. What

pav-90 [236]

The two sales people for a local advertising firm are Trinity and Jason.

Sales amount of Trinity = $2330

Sales amount of Jason = $1740

Total sales of both the people = $2330+1740=4070$

The fractional value of Trinity's sales = $\frac{2330}{4070}=0.57$ or 57%

The fractional value of Jason's sales = $\frac{1740}{4070}=0.427$ or 43%

5 0

4 years ago

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Find y' if x = tan(y)

Travka [436]

Use the chain rule:

$x=\tan y$
$\dfrac{\mathrm d}{\mathrm dx}x=\dfrac{\mathrm d}{\mathrm dx}\tan y$
$1=\sec^2y\dfrac{\mathrm dy}{\mathrm dx}$
$1=\sec^2y\,y'$
$y'=\dfrac1{\sec^2y}=\cos^2y$

Furthermore, if you restrict the domain of $y$ , we could write

$x=\tan y\iff \tan^{-1}x=y$

and so we could also have

$y'=\cos^2(\tan^{-1}x)=\left(\dfrac1{\sqrt{x^2+1}}\right)^2=\dfrac1{x^2+1}$

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4 years ago

Write the number in scientific notation:8,500

expeople1 [14]

The scientific notation would be 8.5x10^3

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3 years ago

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Please answer the question due tomorrow

Alexxandr [17]

14: plug in the points to y1-y2/x1-x2 (equation for slope)
20-13/x-11= 7/3
What value of x makes x-11=3 true?
Add three to each side to get x=14

8 0

3 years ago

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