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Alchen [17]
3 years ago
13

5-4x(x+2)=9 Find rhe X need the whole thing

Mathematics
1 answer:
nadya68 [22]3 years ago
3 0

Answer:

x=-1 hope this helpsss

Step-by-step explanation:

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Answer:

True if im not mistaken

Step-by-step explanation:

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Is there an equation for this?

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rick won 27 tickets playing a game. to get a prize, he needs to win at least 30 tickets. how many more tickets can he win to get
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3 years ago
Mr. Harrow has eight boys and six girls in his Honors Pre-calculus class. If he randomly chooses two students, one at a time, wh
Sergeu [11.5K]

Answer: 15/91 which is choice B

=================================================================

There are two methods to find this answer.

Method 1) We have 6 girls and 8+6 = 14 students. The probability of picking a girl is 6/14 = 3/7. After the first girl is chosen, we have 5 girls left out of 14-1 = 13 students overall. The probability of picking another girl (assuming the first selection was a girl) is 5/13. Multiply these probabilities: (3/7)*(5/13) = (3*5)/(7*13) = 15/91

--------------------

Method 2) We can use the nCr combination formula. Order does not matter.

We have nCr = 6 C 2 = 15 ways to pick 2 girls. See the attached image below for the steps (figure 1)

Out of nCr = 14 C 2 = 91 ways to pick 2 students. See the attached image below for the steps (figure 2)

So that's another way to get the answer 15/91.

5 0
3 years ago
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Complete the table.
Brilliant_brown [7]

Answer:

I believe the answer is 65%

Step-by-step explanation:

95/65%=61.75

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