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wariber [46]
3 years ago
14

How do I solve quadratic using the quadratic formula

Mathematics
2 answers:
tino4ka555 [31]3 years ago
7 0
What he said is correct i made sure.

Irina18 [472]3 years ago
3 0

for example if you have 3x^2+2x-1 then a=3 b=2 and c=-1 you plug those into the formula and solve to get the formula just look it up and go to images

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Is 5/10 and 8/18 proportional
salantis [7]
5/10 = 1/2

8/18 = 4/9

1/2 > 4/9

They're not proportional.
5 0
3 years ago
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A dog collar was originally priced at $5 but went on sale for 20% off. If Vince bought the dog collar and paid 9% sales tax, how
Vlada [557]

Answer:$4.36

Step-by-step explanation:

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3 0
3 years ago
Rewrite in slope-intercept form and show your work.<br> -2x + 5y = 10
bearhunter [10]
Slope intercept form
y = mx + b
-2x + 5y = 10
5y = 2x + 10
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8 0
2 years ago
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Ineed help help me please
melamori03 [73]
The symbol ₁₂P₉ represents the permutations of 9  quantities out of 12.
By definition,
_{12}P_{9} =  \frac{12!}{(12-9)!} = \frac{12!}{3!}

From the calculator,
12! = 479,001,600
3! = 6

Therefore
₁₂P₉ = 479001600/6 = 79,833,600

Answer: 79,833,600
8 0
3 years ago
Find the mean.<br> Z-score = -1.4<br> Standard Deviation: 7<br> x = 20
Umnica [9.8K]

Answer:

9.6

Step-by-step explanation:

8 0
3 years ago
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