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Sladkaya [172]
3 years ago
12

Use the quadratic formula to find the exact solutions of x2 − 9x + 5 = 0.

Mathematics
2 answers:
Diano4ka-milaya [45]3 years ago
7 0

Answer:

Step-by-step explanation:

All those words, when the math is so much clearer!

x = (9±√(9^2-4*1*5))/2 = (9±√101)/2

spin [16.1K]3 years ago
7 0

Answer:

x equals 9 plus or minus the square root of 61, all over 2

Step-by-step explanation:

Solve the equation for  x by finding a, b, and c of the quadratic then applying the quadratic formula.

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Musya8 [376]
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4 0
3 years ago
Walter’s history test scores and Janine’s history test scores are shown on the dot plot below.
Usimov [2.4K]
Hiya!

Right now, both of their medians are 86. This means that both will get the same median if a 65 was added.

I believe A.) would be the correct answer, given it's pretty far away from 83 or 84. My second answer would be B.), but I'm not sure.

If you found this especially helpful, I'd appreciate if you'd vote me Brainliest for your answer. I want to be able to assist more users one-on-one! :)
5 0
3 years ago
Read 2 more answers
I think it’s b but I’m not sure
laila [671]
No, its D

Just look at the rounds mentioned and subtract the scores from higher round with lower round.

Look at A: round 2 score - round 1 score = -2?
-3 -1 = -4 change, not -2 change so it is wrong

Look at B: round 3 score - round 1 score =-1?
-2-1 =-3 change, not -1 change so it is wrong

Look at C: round 3 score - round 2 score =-1?
-2 -(-3) = 1 change, not -1 change so it is wrong

Look at D: round 3 score - round 1 score =-3?
-2-1 = -3 change, matches with -3 so it is correct.
3 0
3 years ago
4 people equally share 6 brownies. How much brownie does each person
Sever21 [200]

Answer:

2/3

Step-by-step explanation:

if you half the brownies each person would get 3 halfs of a brownie

8 0
3 years ago
Emma decides to invest $990,000 in a period annuity that earns a 2.2% APR,
Pani-rosa [81]

Answer: B) 6462.32

Step-by-step explanation:

Compound interest can be calculated via the attachment.

Hope it helps <3

4 0
3 years ago
Read 2 more answers
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