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Allushta [10]
3 years ago
12

Three times x is two more than half of y. What is the value of y? Plz explain.

Mathematics
2 answers:
yKpoI14uk [10]3 years ago
8 0
Three times x: 3x
is two more than half of y: 1/2y + 2

3x = 1/2y + 2

Isolate the y. Note the equal sign, what you do to one side you do to the other. Also do the opposite of PEMDAS.

3x (-2) = 1/2y + 2 (-2)

3x - 2 = 1/2y

2(1/2y) = 2(3x - 2)

y = 2(3x - 2)

distribute the 2 to all terms inside the parenthesis

2(3x) = 6x
2(-2) = -4

y = 6x - 4, or D)

hope this helps
attashe74 [19]3 years ago
7 0
Remark
Start with y. Then move over to x and see what it does.

Step one
Find the expression for y
The whole equation = 1/2 y

Step Two
Find the detailed expression for x
3 times x = 3x

Step 3 
Add 2 onto y
3x = 1/2 y + 2

Step 4
Equate the 2 parts and solve
1/2 y + 2 = 3x                Subtract 2 from both sides.
1/2 y = 3x - 2                 Multiply both sides by 2
y = 2*(3x - 2)                 Whatever is on either side of the minus must be multiplied by 2. That means you use brackets.

y = 6x - 4

D <<<< Answer

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A town has a population of 12000 and grows at 3.5% every year. What will be the population after 7 years, to the nearest whole n
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Answer:

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Step-by-step explanation:

To solve this problem, lets use the exponential growth formula which is:A = P(1+r)^t

A = total amount

P = original amount

r = growth rate (decimal)

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<u>Before we plug in the values, don't forget to change 3.5% to its decimal form.</u>

3.5% -> \frac{3.5}{100} -> 0.035

Lets plug in the values:

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8 0
3 years ago
I need a answer to this problem asap please help
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4 0
3 years ago
A high school has 36 players on the football team. the summary of the players' weights is given in the box plot. what is the int
Komok [63]

The interquartile range of the players' weights = 48 pounds.

The boxplot attached to this question is missing. It was obtained online and is attached to this solution of the question.

It should be noted that the following is true for a boxplot.

A box plot gives a visual representation of the distribution of the data, showing where most values lie and those values that greatly differ from the rest, called outliers.

The elements of the box plot are described thus;

The bottom side of the box represents the first quartile, and the top side, the third quartile. Therefore, the width of the central box represents the inter-quartile range.

The horizontal line inside the box is the median.

The lines extending from the box reach out to the minimum and the maximum values in the data set, as long as these values are not outliers. The ends of the whiskers are marked by two shorter horizontal lines.

Variables in the dataset, higher than Q3+(1.5×IQR) or lower than Q1-(1.5×IQR) are considered outliers and are usually shown using dots above the top whisker or below the bottom whisker.

So, it is evident that for this question,

First quartile = 174 pounds

Third quartile = 222 pounds

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= 222 - 174

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To know more about "interquartile"

Refer this link:

brainly.com/question/16988652

#SPJ4

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2 years ago
Two negative integers have a sum of -12 and a
emmainna [20.7K]

Answer:

The two integers are -1 and -11

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