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IrinaK [193]
3 years ago
7

50 points if right, Will give brainlist! only answer if you know its right 100%

Mathematics
1 answer:
enot [183]3 years ago
6 0

3n -10 ≥ 2

Add 10 to each side:

3n ≥ 12

Divide both sides by 3:

n ≥12/3

n≥4

The dot would be solid and located on the number 4, with the line and arrow moving/ pointing to the right.

1. n >2

2. n≤3

3. n<4

4. n≥5

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Give the values of a, b, and c needed to write the equation's standard form. 1/4x^2+5=0
Pavel [41]
The equation in its standard form is written as followsax ^ 2 + bx + c = 0
 To find the values of a, b, c we must compare the given equation with the standard equation. Comparing we have:
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8 0
2 years ago
A wallet containing 5 five dollar bills, 7 ten dollar bills, 8 twenty dollar bills is found and returned to its owner the wallet
Dominik [7]

Answer:

The probability is 2/5 that a $20 bill will be drawn from the wallet.

Step-by-step explanation:

There are 20 total bills in the wallet (5 $5, 7 $10, and 8 $20, 5+7+8=20). So if the finder and returner of the wallet was to be given one of the bills drawn from the wallet there would be an 8/20 chance the owner of the wallet would pull a 20. That's because there are 20 total bills in the wallet and 8 of them are $20.  

Simplifying 8/20... 8/20= 4/10= 2/5.

So, there is a 2/5 chance that a $20 bill will be pulled out of the wallet.

Hope this helps!

7 0
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