2 years ago

Solve the equation 1/x + 1/3x = 4

Mathematics

1 answer:

Llana [10]2 years ago

8 0

Answer:

x = $\frac{1}{3}$

Step-by-step explanation:

$\frac{1}{x} + \frac{1}{3x} = 4$ (Multiply everything by LCM)

$3x*\frac{1}{x} + 3x*\frac{1}{3x}=3x*4$ (Simplify the fractions)

$3+1=12x\\4=12x\\x=4/12\\x=\frac{1}{3}$

You might be interested in

Find the area of the given polygon.

zimovet [89]

9514 1404 393

Answer:

88 square inches

Step-by-step explanation:

The figure can be divided into two congruent trapezoids, each with bases 7 and 4 inches, and height 8 inches. Then the total area is ...

A = 2(1/2)(b1 +b2)h

A = (7 +4)(8) = 88 . . . . square inches

4 0

2 years ago

.) A store receives 8 boxes of picture frames to sell. Unfortunately, 3 of the frames are broken and cannot be sold. There are 4

Mars2501 [29]

Answer:

There are 6 boxes

Step-by-step explanation:

We know there are 45 frames and 3 broken ones, so there are 48 frames in total.

We know there are 8 boxes that have the frames.

let x equal the amount of picture frames in a box

8x=48

8x/8 = 48/8

x=6

5 0

2 years ago

What is 0.6 as a fraction in simplest form

Illusion [34]

we know that

step 1

multiply $0.6$ by $\frac{10}{10}$

$0.6*\frac{10}{10} =\frac{6}{10}$

step 2

Divide numerator and denominator by $2$

$\frac{\frac{6}{2}}{\frac{10}{2}} =\frac{3}{5}$

therefore

the answer is

$\frac{3}{5}$

4 0

3 years ago

Read 2 more answers

Name a 2 digit odd number that is prime.name a 2 digit odd number that is compostite

e-lub [12.9K]

Prime for 2 digit odd number: 13 , 11 , 17, etc

Odd number that is composite: 39, 25, 15, etc

Hope this helps

7 0

2 years ago

For the data in the table, does y vary directly with x? If it does, write an equation for the direct variation.

Trava [24]

11 = 1.375 * 8
22 = 1.375 * 16
33 = 1.375 * 24
Therefore y varies directly with x.
Answer: C ) yes; y = 1.375 x

7 0

3 years ago