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vekshin1
3 years ago
13

-(2x + y) +3 (x - 4y)

Mathematics
2 answers:
Elanso [62]3 years ago
5 0
X-13y is the answer to that equation
Romashka-Z-Leto [24]3 years ago
4 0
-(2x + y) + 3(x-4y)
-(2x + y) + 3x - 12y
-2x + 3x - y - 12y
x - 13y
So therefor the answer is x - 13y
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Which number represents 593 rounded to the nearest ten 600 610 603 590
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590 would be your answer

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Apply the markup for each item. Then, find the retail price. Round to two decimals places when necessary.
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$45 with 20% markup = $45 + $9 for a new total = $54

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If there are 40 boys and 60 girls in a room, fill out all of the possible ratios of boys to girls that could be made.
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40+60=100. So one person equals 1%, meaning 40% are boys and 60% are girls. By simplifying, we will find that possible ratios below the value of 100 are 40:60, 4:6, 2:3, and 20:30.

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Which of the following functions is not a sinusoid?
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Assume that when adults with smartphones are randomly​ selected, 52​% use them in meetings or classes. If 14 adult smartphone us
emmasim [6.3K]

The probability that fewer than 4 of then use their smart phones in meetings  or classes is 0.00030243747.

Step-by-step explanation:

Fewer than 4 means ,less than 4 which is any number less than 4 and not including 4. This is 3, 2,1 and 0. So you find the probability that exactly 3 of then use their smart phone, exactly 2 of them use their smart phones, exactly 1 of them use his/her smart phone and none of them.

Given that 52% use smartphones in meetings and classes =0.52

Thus the remaining 48% do not use smartphones in meetings and classes=0.48

For C(14,3) you will have "14 chose 3", number of ways of choosing 3 out of 14'

=(0.52)³ *(0.48)⁹=0.00019018714

For C(14,2) you will have "14 chose 2", number of ways of choosing 2 out of 14

=(0.52)²*(0.48)¹²=0.00004044841

For C(14,1) you will have "14 chose 1", number of ways of choosing 1 out of 14

=(0.52)¹*(0.48)¹³=0.000037337

For  C(14,0) you will have "14 chose 0", number of ways of choosing 0 out of 14

=(0.52)⁰*(0.48)¹⁴=1*0.00003446492=0.00003446492

The probability that fewer than 4 of them use their smartphones in meetings or classes will be

0.00019018714 +0.00004044841+0.000037337+ 0.00003446492=0.00030243747

Learn More

  • Binomial random variable https://brainly.in/question/10088120

Keywords : Probability, random variable, binomial distribution

#LearnwithBrainly

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