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3 years ago

HELP ME ASAP!!!!!!!!

Mathematics

1 answer:

arlik [135]3 years ago

4 0

Answer:

12=men...........35=woman 12+35=47sooo........ 47 is the awsere for part one

Step-by-step explanation:

47 ta 87 is there is a 40% chance the person is not wearing glasses 60% chance they are wearing glasses so 40% is the awsere to part be

<em><u>HOPE IT HELP PLZ INFORM IF SO</u></em>

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2 years ago

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A circle has been split into 8 sectors each of which can be colored as 4 different colors, and no consecutive sectors are colore

Eva8 [605]

Answer:

5832 ways

Step-by-step explanation:

Since the circle has 8 sectors and there is 4 colour,

Assuming the sectors are numbered 1 to 8,

Sector 1 : can be coloured with any of the 4 colour in 4 ways

Sector 2 can be coloured with any of the remaining 3 colours in 3 ways

Sector 3 in 3 ways without using the colour in sector 2

Sector 4 in 3 ways without using the colour in sector 3

Sector 5 in 3 ways without using the colour in sector 4

Sector 6 in 3 ways without using the colour in sector 5

Sector 7 in 3 ways without using the colour in sector 6

Sector 8 in 2 ways without using the colours in sector 1 and 7

Number of ways of colouring = 4*3*3*3*3*3*3*2 = 5832 ways

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2 years ago

Find the percentage change from 50 to 82. Indicate whether it is an increase or a decrease. If necessary, round your answer to t

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The answer is B 64% increase

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3 years ago

Is the spinner described below a fair spinner? If yes, explain why. If not describe a change that could make the spinner fair

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Answer:

Step-by-step explanation:

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2 years ago

According to data from a General Motors study, the average speed of your trip A (in miles per hour) is related to the number of

polet [3.4K]

Answer:

$(a)\hspace{3}-79.61mi/h^2$

$(b)\hspace{3}-4.36mi/h^2$

Step-by-step explanation:

Let's rewrite the equation as:

$A=26.5*(x^{-0.45 })$

Now, let's find its derivate:

$\frac{dA}{dx} =(-0.45)*(26.5)*x^{-0.45-1} =-11.925*x^{-1.45} =-\frac{11.925}{x^{1.45} }$

Let's evaluate x=0.27 and x=2:

$\frac{dA}{dx} \left \{ {x=0.27}} \right. =-\frac{11.925}{0.27^{1.45} } =-79.61mi/h^2$

$\frac{dA}{dx} \left \{ {x=2}} \right. =-\frac{11.925}{2^{1.45} } =-4.36mi/h^2$

Keep in mind that when we derivate A(average speed) we find the average acceleration, thats why the result is given in mi/h^2, also it explains the minus sign, because for every stop you make on the trip you are decelerating.

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3 years ago