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Luba_88 [7]
3 years ago
12

Solve the inequality: 2[(2y-1)+y] less than or equal to 5(y+3)

Mathematics
1 answer:
Likurg_2 [28]3 years ago
8 0
2[(2y-1)+y]\leq5(y+3)\\\\2(2y-1+y)\leq5(y+3)\\\\2(3y-1)\leq5(y+3)\ \ \ |use\ distributive\ property:a(b\pm c)=ab\pm ac\\\\2(3y)-2(1)\leq5(y)+5(3)\\\\6y-2\leq5y+15\ \ \ |add\ 2\ to\ both\ sides\\\\6y\leq5y+17\ \ \ \ |subtract\ 5y\ from\ both\ sides\\\\\huge\boxed{y\leq17\to y\in(-\infty;\ 17]}
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I need help with this real quick guys!
geniusboy [140]
The answer is 17/20.
You are welcome

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3 years ago
The ability to make permanent lifestyle changes is key to the effectiveness of a weight loss program. According to the National
Mekhanik [1.2K]

Answer:

Over one-third of lost weight tends to return within the first year, and the majority is gained back within 3 to 5 years.

Step-by-step explanation:

Answear according to the article <em>Biology's response to dieting: the impetus for weight regain, </em>written by Paul S. MacLean,  Audrey Bergouignan, Marc-Andre Cornier, and Matthew R. Jackman, published online 2011 Jun 15.

You can find the article at PubMed Central® (PMC).

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8 0
3 years ago
Simplify the expression.<br><br>(n^7)^2<br><br>a. n^9<br><br>b. n^49<br><br>c.n^14<br><br>d.2n^14
Stells [14]

C) n^14 is correct :)

6 0
3 years ago
Read 2 more answers
What is the volatile acid/alkalinity relationship in a digester if the alkalinity is 2400 mg/L and the volatile acids are 90 mg/
damaskus [11]

The volatile acid/alkalinity relationship in a digester is volatile acid/alkalinity = 3/80

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more variables and numbers.

Ratio of volatile acid to alkalinity = 90 mg/L ÷ 2400 mg/L = 3/80

The volatile acid/alkalinity relationship in a digester is volatile acid/alkalinity = 3/80

Find out more on equation at: brainly.com/question/2972832

#SPJ1

8 0
2 years ago
The variance of a distribution is 195. What is the standard deveation?
Lera25 [3.4K]

Answer:

13.96

Step-by-step explanation:

Standard deviation is the square root of the variance, so it's

\sqrt{195} = 13.964

          ≈ 13.96

7 0
4 years ago
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