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fgiga [73]
3 years ago
5

Thirty-one is three more than twice a number divided by three

Mathematics
2 answers:
SVEN [57.7K]3 years ago
8 0
The answer is 22.6666667, hope this helps. You do this problem but backwards.
Lapatulllka [165]3 years ago
6 0
31=3+2( \frac{x}{3} ) \\ 28=2( \frac{x}{3} ) \\ 14=( \frac{x}{3}) \\ 42=x
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In a direct variation equation f(x) = 6 when x = 4. what is the direct variation equation
aksik [14]

Answer:

C-f(x)=1.5x

just took the quiz and 3/2 reduces to 1.5

8 0
3 years ago
Read 2 more answers
Tom decides to paint one wall in his room green. Use the dimensions below to calculate the area of the this wall.
Anton [14]

Option C:

Area of the wall =94\frac{15}{16} square feet

Solution:

Length of the wall = 12 \frac{1}{4} feet

Width of the wall = 7 \frac{3}{4} feet

Area of the wall = length × width

                          $=12 \frac{1}{4}\times 7 \frac{3}{4}  

Convert mixed fraction into improper fraction.

                          $=\frac{12 \times 4+1}{4}\times  \frac{7\times 4+3}{4}

                          $=\frac{49}{4}\times  \frac{31}{4}

                          $=\frac{1519}{16}

Convert improper fraction into mixed fraction.

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Area of the wall =94\frac{15}{16} square feet

Option C is the correct answer.

7 0
2 years ago
Three numbers add up to 210. The second number is 10 more than the first and the third number is 3 times the first. Find the num
svp [43]

Answer:

I. First number, a = 40.

II. Second number, b = 50.

III. Third number, c = 120.

Step-by-step explanation:

Let the three numbers be a, b and c respectively.

Given the following data;

Translating the word problem into an algebraic equation, we have;

a + b + c = 210

b = a + 10

c = 3a

Substituting the value of b and c into the equation, we have;

a + a + 10 + 3a = 210

5a + 10 = 210

5a = 210 - 10

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a = 200/5

<em>a = 40</em>

To find the value of b;

b = a + 10

b = 40 + 10

<em>b = 50</em>

To find c

c = 3a

c = 3*40

<em>c = 120</em>

5 0
3 years ago
6x+12 factorizar mediante a factor comun<br>​
Art [367]
6(x+2)
you just factor 6 from the expression
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6 0
2 years ago
The length of a rectangle is 4 meters less than twice the width. If the area of the rectangle is 286 square​ meters, find the di
zaharov [31]

Answer:

W = 13 meters, L = 22 meters

Step-by-step explanation:

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