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Elodia [21]
3 years ago
7

Maths equations questions

Mathematics
2 answers:
bezimeni [28]3 years ago
4 0

Answer:

x=2/3

Step-by-step explanation:

3x/2-1/2=1/3+x/4

3x/2-x/4=1/3+1/2

6x/4-x/4=2/6+3/6

5x/4=5/6

5x=5/6*4

x=5/6*4/5

x=2/3

CaHeK987 [17]3 years ago
3 0

Answer:

x = \frac{2}{3}

Step-by-step explanation:

Given

\frac{3x}{2} - \frac{1}{2} = \frac{1}{3} + \frac{x}{4}

Multiply through by 12 ( the LCM of 2, 3 and 4 ) to clear the fractions

18x - 6 = 4 + 3x ( subtract 3x from both sides )

15x - 6 = 4 ( add 6 to both sides )

15x = 10 ( divide both sides by 15 )

x = \frac{10}{15} = \frac{2}{3}

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Solve the system of equations.<br> 12x-5y = -20<br> y =x+4
trasher [3.6K]

Answer:

1. 12x-5y = -20 Answer: 2(picture)

2. y =x+4 Answer: 1(picture)

Step-by-step explanation: Hope this help :D

4 0
3 years ago
Someone help me plz.
Svetllana [295]
Answer:
20%

Explanation:
What we know:
- there are 25 cans in total
- 5 of them are root beer cans

Using this information, we can say that 5/25 cans are root beer cans. To find the percent, we change the fraction into a decimal and then multiply it by 100.

To change 5/25 into a decimal, we divide the numerator and denominator.
5/25=0.2

And we multiply the decimal by 100 to get the percent:
0.2*100=20

Therefore, 20% of Cam’s cans are root beer cans.

I hope this helps!
3 0
3 years ago
Define a variable and write an equation to model the situation,
lara31 [8.8K]

Answer:

Let P = Perimeter of square

Let l = Length of the sides of the square

P = 4l

6 0
4 years ago
What is <br> 13r+5r <br><br> simplified
sergejj [24]

Answer:

18r

Step-by-step explanation:

since they both have r as their variable, they're like terms, meaning you can combine them

so 13+5 = 18

3 0
3 years ago
Can u pls help me with this question ​
Eduardwww [97]
The first one I’m not sure tho
6 0
3 years ago
Read 2 more answers
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