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MA_775_DIABLO [31]
3 years ago
9

18 of the last 30 cars passed you were black. what is the probability the next car will be black?

Mathematics
1 answer:
Nutka1998 [239]3 years ago
7 0
18/30 simplifies into 6/10 which then is put in decimal form of 0.6
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A big-screen TV that previously sold for $2,400 has been marked down to $2,040. What is the percent of decrease?
Hitman42 [59]

[~Answer~] (8.):
Heyyy. I'm Avery, and I'm always here to help!

I believe the percent may be 15% ($2,400 - 15% = $2,040)

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[~Answer Explanation~}:

The percent of the difference is the rate of the difference * 100%

the percent of the difference = .15 * 100% = 15%

since the new price is less than the old price, that is the percent of the decrease.

(See if it'll work): $2,400- 15% = $2,040

And there's your answer <33

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[~Last Messages~}:

<em>Hope this helped you <333
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2 years ago
A RIGHT triangle has three sides: a, b, c such that a=b and LaTeX: a^2\:+\:b^2\:=\:c^2 a 2 + b 2 = c 2 What is the ratio of the
Alex_Xolod [135]

Answer:

c=b\sqrt{2}

Step-by-step explanation:

Refer to the attached image.

A right triangle is considered so when one of its corners are 90°.

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The only way for this to be possible is if both corners A and B(opposite of sides a and b) are 45°.

Pythagorean theorem

This theorem states that the square of a right triangle's long side is equal to the sum of the squares of the shorter sides.

In this case:

a^{2} +b^{2} =c^{2}

but since:

a=b

the equation can be solved by replacing a with b in the equation:

b^{2} +b^{2} =c^{2} \\2b^{2}=c^{2} \\\sqrt{2b^{2} } = c\\b\sqrt{2} =c

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3 years ago
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Xelga [282]

<u>Answer:</u>

x=d/a - by/ac

<u>Steps:</u>

ax+by/c=d

(cax+by)/c=d

cax+by=cd

cax=cd-by

x=(cd-by)/ca

x=cd/ca - by/ca

x=d/a - by/ac

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Can you check my work
gregori [183]
I do not see anything wrong with it 
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3 years ago
3(x-4)+2(×+1) I need help
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Answer:

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