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belka [17]
3 years ago
11

Express b+1/3b-2 with “b” as the subject

Mathematics
1 answer:
lara [203]3 years ago
4 0

Answer:

b = \frac{1+2a}{3a-1}

Step-by-step explanation:

Given

a = \frac{b+1}{3b-2} ( multiply both sides by 3b - 2 )

a(3b - 2) = b + 1 ← distribute left side

3ab - 2a = b + 1 ( subtract b from both sides )

3ab - b - 2a = 1 ( add 2a to both sides )

3ab - b = 1 + 2a ← factor out b from each term on the left side

b(3a - 1) = 1 + 2a ( divide both sides by 3a - 1 )

b = \frac{1+2a}{3a-1}

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7x &lt; 10<br> please solve
Anvisha [2.4K]

Answer: The answer would be  x < 10/7

Step-by-step explanation:

Rearrange:

Rearrange the equation by subtracting what is to the right of the greater than sign from both sides of the inequality :

                    7*x (10)>0

Step by step solution :

STEP

1

:

Pulling out like terms

1.1     Pull out like factors :

  7x - 10  =   -1 • (7x + 10)

Equation at the end of step

1

:

STEP 2

:

2.1   Multiply both sides by (-1)

Flip the inequality sign since you are multiplying by a negative number

     7x+10  < 0

2.2    Divide both sides by  7  

     x+(10/7)  < 0

Solve Basic Inequality :

2.3      Subtract  10/7  from both sides

           x < 10/7

Inequality Plot :

2.4      Inequality plot for

        7.000 x  - 10.000  >  0

 

One solution was found :

x < 10/7

4 0
2 years ago
For what values of y:s the value of the fraction 4.5−2y/5 less than the value of the fraction 2−3y/10 ?
Andre45 [30]

Answer:

  7 < y

Step-by-step explanation:

The relation you're interested in is ...

  (4.5 -2y)/5 < (2 -3y)/10

  9 -4y < 2 -3y . . . . . . . . . multiply by 10

  7 < y . . . . . . . . . . . . . . . .  add 4y-2

The value of the first fraction will be less than that of the second fraction for values of y greater than 7.

4 0
3 years ago
I NEED HELP
kogti [31]

                       -6  =  y/5 + 4

Step 1:  Subtract  4  from each side of the equation.

Step 2:  Multiply each side by  5.

If you don't arrive at the solution  y= -50 , then return to Step-1
and repeat the process, being on the lookout for your mistake.


4 0
3 years ago
Read 2 more answers
The Big Wheel at a theme park has a diameter of 5m. How far would you travel in one complete revolution of the wheel?
vampirchik [111]

Answer:

15.71m

Step-by-step explanation:

One revolution is equal to the circumference of the wheel

Circumference = πD

22/7 X 5 = 15.71m

6 0
3 years ago
Alma was given some money as a gift and deposited it into a savings account. She makes a withdrawal of the same amount at the en
alexgriva [62]

Answer:

150 b.

Step-by-step explanation:

if it's not there then sorry

4 0
3 years ago
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