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3 years ago

What is a 90 degree counter clockwise rotattion on a graph

1 answer:

7 0

<h2><u>Answer:</u></h2><h2>90 Degree Rotation</h2><h2>When rotating a point 90 degrees counterclockwise about the origin our point A(x,y) becomes A'(-y,x). In other words, switch x and y and make y negative.</h2>

<h2><u>Thank you</u></h2><h2><u>sunshinemadison101</u></h2>

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Give tan B = .10 find the angle of B in radians

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3 years ago

Math help plz...lots of points<br><br>only need #10 & 12....plz show work thx

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2 years ago

What is container B that is full after the pumping is complete ?

scoray [572]

<em>Answer</em>

68.4%

<em>Step-by-step explanation</em>

The volume of a cylinder is calculated as follows:

$V=\pi r^2h$

where <em>r </em>is the radius and <em>h </em>is the height of the cylinder.

In the case of cylinder A, its radius is r = 5 ft (= 10/2) and its height is h = 14 ft. Then, its volume is:

$\begin{gathered} V_A=\pi\cdot5^2\cdot14 \\ V_A=350\pi\text{ ft}^3 \end{gathered}$

In the case of cylinder B, its radius is r = 8 ft (= 16/2) and its height is h = 8 ft. Then, its volume is:

$\begin{gathered} V_B=\pi\cdot8^2\cdot8 \\ V_B=512\pi\text{ ft}^3 \end{gathered}$

After the pumping is completed all the liquid in cylinder A, which was full, is placed in cylinder B. If the volume of cylinder B represents 100%, then we need to find what percent, <em>x</em>, represents the volume of cylinder A. We can do this with the help of the next proportion:

$\frac{512\pi\text{ ft}^3}{350\pi\text{ ft}^3}=\frac{100\text{ \%}}{x\text{ \%}}$

Solving for x:

$\begin{gathered} 512\pi\cdot x=100\cdot350\pi \\ x=\frac{100\cdot350\pi}{512\pi} \\ x\approx68.4\text{ \%} \end{gathered}$

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1 year ago

Please choose the correct rhyme scheme for the following words (Dr. Seuss): fish- fish-star-car- lot- are *

n200080 [17]

Answer:

Step-by-step explanation:

Because its correct and. star, car, and are rhyme

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2 years ago

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Do the ratios 1/3 and 2/9 form a proportion

Alik [6]

Answer: No they don't because there is not way 1/3 can be multiplied by a number to get 2/9 and there is no way 2/9 can be divide by any number to get 1/3.

Step-by-step explanation:

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3 years ago

Read 2 more answers