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gayaneshka [121]
3 years ago
14

Simplify quantity x squared plus 5 x plus 4 end quantity over quantity x plus 4

Mathematics
2 answers:
Ymorist [56]3 years ago
8 0

Answer:

<h2>x + 1</h2>

Step-by-step explanation:

\dfrac{x^2+5x+4}{x+4}\\\\x^2+5x+4=x^2+x+4x+4=x(x+1)+4(x+1)=(x+1)(x+4)\\\\=\dfrac{(x+1)(x+4)}{x+4}\qquad\text{cancel}\ (x+4)\\\\=x+1

vovikov84 [41]3 years ago
6 0

Answer:

  x + 1

Step-by-step explanation:

\dfrac{x^2+5x+4}{x+4}=\dfrac{(x+4)(x+1)}{(x+4)}=x+1

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Kira has $15 in her savings account. She will get $5 per week for her allowance. Write an expression to represent the amount of
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Answer:

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2 years ago
If you flipped two coins simultaneously, for a total of 24 times, how many times, on average, would you expect to get a head and
Bingel [31]

When two coins are flipped simultaneously 24 times, on average 12 times we will get a head and a tail.

For given question,

When two coins are tossed simultaneously, the sample space is as follows:

S = { HH, HT, TH, TT} where H denotes Head and T denotes tail.

Using the formula of probability,

P = Number of favorable outcomes/total number of outcomes,

we get,

P(HT) = 1/4

and

P(TH) = 1/4

We know that the occurrence of two mutually exclusive events is the sum of their individual probabilities.

So, P(Head on one and Tail on other)

= P(HT) + P(TH)

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So, when two coins flipped simultaneously, the probability of flipping 2 coins and getting a head and a tail is 0.5

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Therefore, When two coins are flipped simultaneously 24 times, on average 12 times we will get a head and a tail.

Learn more about the probability here:

brainly.com/question/3679442

#SPJ4

8 0
1 year ago
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