3 years ago

Does anyone know this?

Mathematics

1 answer:

Veseljchak [2.6K]3 years ago

7 0

Answer:

option number a -4 and -9

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Solve with completing the square method:<br>6x²-7x+2=0 and ax²+bx+c=0

Norma-Jean [14]

$6x ^2-7x+2=0\\ \\ a=6 , \ b = -7 , \ c=2 \\ \\\Delta = b^{2}-4ac = (-7)^{2}-4*6*2=49-48=1 \\ \\x_{1}=\frac{-b-\sqrt{\Delta }}{2a} =\frac{7-\sqrt{1}}{2*6}=\frac{7-1}{12} =\frac{6}{12}= \frac{1}{ 2}\\ \\x_{2}=\frac{-b+\sqrt{\Delta }}{2a} =\frac{7+\sqrt{1}}{2*6}=\frac{7+1}{12} =\frac{8}{12}= \frac{2}{ 3}$

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3 years ago

You pick one card from a standard deck of 52 cards. What is the probability that the card will be a two?

Natali [406]

Answer:

4 out of 52 or simplified 2 out of 26

Step-by-step explanation:

There are 4 suites of cards, spades, hearts, clubs, diamonds and there is one card for two in each suite, so we therefore know that the probability of picking a two out of a 52 card deck will be four out of 52 or the simplified answer would be 2 out of 26. Hope this helps, have a great day!

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3 years ago

For Thanksgiving Break Nykouth and her family is going to visit relatives in Nebraska. Her dad has found a hotel room at the Hil

taurus [48]

Answer:

109n + 35

Step-by-step explanation:

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2 years ago

Select the equations that are correct.mark all that apply.

allsm [11]

Answer:

17,550÷65=270 Correct

11,196÷12=933 Correct

11,712÷96=122 Correct

Step-by-step explanation:

17,550÷65=270 Correct

11,196÷12=933 Correct

29,365÷35=677 Incorrect

11,712÷96=122 Correct

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3 years ago

How do you work out <br> 5x71

Gwar [14]

Answer:

355

Step-by-step explanation:

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3 years ago