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3 years ago

Help me fast please

Mathematics

2 answers:

Aleks [24]3 years ago

4 0

$\: \: \: \: \: \: \: \: \: \: 4y - 2(3y - 5) \\ \\ = > 4y- 6y + 10 \\ \\ = > \green{\boxed{ - 2y + 10}}$

SpyIntel [72]3 years ago

3 0

4y-6y+10
10y+10
COMMENT FOR A BETTER EXPLAINATION

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8m^2+ 40m<br> -------------------<br> 8m

dsp73

Answer:

$(m+5)$

Step-by-step explanation:

Take out 8m as a factor from the top side of the equation. You are left with $\frac{8m(m+5)}{8m} = m+5$

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3 years ago

A student gets 9 out of 15 problems correct on a homework assignment.

Alex777 [14]

Answer:40%.

Since the student got 60% correct, the remaining percentage would be the part they got incorrect.

I got 60% by translating 9/15 into a decimal and moving the decimal point to create a percentage.

Hope this helps!

Step-by-step explanation:

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3 years ago

The average wage for an electrician in CA is $25.47/hour. That is 11% above the national average. What is the national average?

romanna [79]

Answer:

$22.95

Step-by-step explanation:

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2 years ago

Help me pls it’s using graphs to analyze date i’m usually fine with this i’m just stuck lol

koban [17]

have a good night :)

Step-by-step explanation:

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3 years ago

Based on a poll, among adults who regret getting tattoos, 16% say that they were too young when they got their tattoos. Assum

e-lub [12.9K]

Answer:

The problem is incomplete, but it is solved using a binomial distribution with $n = 8$ and $p = 0.16$

Step-by-step explanation:

For each adult who regret getting tattoos, there are only two possible outcomes. Either they say that they were too young, or they do not say this. The answer of an adult is independent of other adults, which means that the binomial probability distribution is used to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$