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MissTica
2 years ago
13

QUICK!TWO EXPRESSIONS THAT ARE EQUIVALENT TO 42x-56y!!!

Mathematics
1 answer:
abruzzese [7]2 years ago
5 0

Answer:

2(21x - 28y)

7(6x - 8y)

Step-by-step explanation:

<u>Given expression:</u>

42x - 56y

We can take 2 as common. The expression will become:

2(21x - 28y)

Now, back to the expression again.

We can also take 7 as common. The expression will become:

7(6x - 8y)

<u>So, the two expressions that are equivalent to 42x - 56y are:</u>

1) 2(21x - 28y)

2) 7(6x - 8y)

\rule[225]{225}{2}

Hope this helped!

<h3>~AH1807</h3>
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A company surveyed 2,600 North American airline passengers and reported that approximately 75% said that they carry a smartphone
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The probability that exactly six out of ten carry a smartphone when travelling is; <u><em>P(6) = 0.146</em></u>

The missing part of the question is;

The probability distribution of x is the binomial distribution with n = 10 and p = 0.75.

Calculate P(6)

  • This is a binomial <em>probability distribution</em> problem that has a general formula as; P(x) = ⁿCₓ × pˣ × q⁽ⁿ ⁻ ˣ⁾

Where;

p is probability of success

q is probability of failure

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In this question;

n = 10

p = 75% = 0.75

q = 1 - p

q = 1 - 0.75

q = 0.25

Since six passengers are randomly selected, then applying the formula earlier quoted, we have;

P(6) = ¹⁰C₆ × 0.75⁶ × 0.25⁽¹⁰ ⁻ ⁶⁾

P(6) = 0.146

Read more at; brainly.com/question/24239758

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What is the diameter and radius also the area
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The number of mosquitoes at the beach has increased by 50% every year since 2012. In 2012, there were 2,500 mosquitoes. How many
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Answer:

Step-by-step explanation:

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