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djverab [1.8K]
3 years ago
15

Two thirds plus a number plus 4 is 7

Mathematics
2 answers:
Reika [66]3 years ago
7 0
9/2 is the answer


7-4= 3
3times 3/2 is 9/2
Nitella [24]3 years ago
6 0

Answer:

The answer is \frac{7}{3}

Step-by-step explanation:

In order to determine the answer, we have to express the statement to a algebraic expression.

The "two thirds" means \frac{2}{3}.

Then "plus a number" means +x. "x" is the variable that we want to know its value.

Then "plus 4" means +4.

So, the algebraic expression is:

\frac{2}{3}+x+4=7

Then, we have to solve for "x". We free this variable in any side of the equation:

x=-\frac{2}{3}+7-4\\x=\frac{-2+9}{3}\\x=\frac{7}{3}\\

Finally, the "x" value is \frac{7}{3}

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What is the solution to the linear equation?
gizmo_the_mogwai [7]

Answer:

p = 30/1/3 or 91/3 or 30.33

Step-by-step explanation:

2 + p = 7/3 + 30

p = 32/1/3 - 2

p = 30/1/3

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3 years ago
If you have 24 classmates, how many ways are there for you to choose 4 team mates?
valkas [14]
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3 years ago
Adding school fairest 20% of the people are under 16 years old one third of the people remaining are teachers if there are 21 te
dedylja [7]
<span>In the fairest school 20% are below 16 years old
1/3 are teachers which is equals to = 21
Let’s start solving:
=> 1/3 of 100% = ( 100 / 3 = 33.33% )
thus 33.33% = 21
=> 21 x 3 = 63, is the total number of people in the school.
Let’s try solving the number of people below 16 years old
Then there are 20% of it:
=> 63 * .20 = 12.6
Thus, there are around 13 people who are 16 years old younger.</span>



4 0
3 years ago
Can i please get some help here its math
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