Which expression is a quadratic binomial?

Mathematics

1 answer:

Serjik [45]3 years ago

7 0

A is the answer to your question

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8 is what percent of 40

zhuklara [117]

Answer:

20%

Step-by-step explanation:

$\frac{8}{40}*100=2*10=20\\$ %

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3 years ago

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Which of the following answer choices shows the correct way to balance this reaction: Fe + O₂ → Fe₂O₃

ira [324]

I think the answer is Fe+02=fe 203

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3 years ago

When Lucas first opened his bank account, he deposited x amount of

iogann1982 [59]

Answer:

Step-by-step explanation:

Lucas went to the bank the first time with $55 and the second time with $55, when you add those togeother you get $110. Then he wrote a check for $116 and ended up having -$6...basically if you have $110 in all then you write a check for $116 you would have -$6 in your balance. 110-116 = -6

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3 years ago

A fair coin is flipped twelve times. What is the probability of the coin landing tails up exactly nine times?

seraphim [82]

Answer:

$P\left(E\right)=\frac{55}{1024}$

Step-by-step explanation:

Given that a fair coin is flipped twelve times.

It means the number of possible sequences of heads and tails would be:

2¹² = 4096

We can determine the number of ways that such a sequence could contain exactly 9 tails is the number of ways of choosing 9 out of 12, using the formula

$nCr=\frac{n!}{r!\left(n-r\right)!}$