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BigorU [14]
3 years ago
5

If 1/x + 1/3x = 5, what is the value of 3x/4

Mathematics
2 answers:
Artemon [7]3 years ago
7 0

Answer:

the answer is

45/6 the answer

Jobisdone [24]3 years ago
3 0

Answer:

The answer is 1/5

Step-by-step explanation:

First, you make it into 1 fraction by making the denorminator same:

1/x + 1/3x = 5

(3+1)/3x = 5

4/3x = 5

It is given that we need to find the valus of 3x/4. We can see that the previous working, 4/3x=5 is almost similar to the question so you can flip upside down the working to make it into 3x/4:

4/3x = 5

3x/4 = 1/5

OR

You can use 1 to divide both side to make it more understandable:

4/3x = 5

1 ÷ (4/3x) = 1 ÷ 5

3x/4 = 1/5

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Martin uses 5/8 of a gallon of paint to cover 4/5 of a wall. What is the unit rate at which Martin paints in walls per gallon?
Tanya [424]
Remember, (a/b)/(c/d)=(a/b)(d/c)=(ad)/(bc)

so

walls per gallon
4/5 wall per 5/8 gallon
(4/5)/(5/8)
(4/5)(8/5)
32/25
1.28
the unit rate is 1.28 walls per gallon
3 0
3 years ago
A cell phone company is looking to place a new tower to service 3 cities. In order for it to best service each city, it needs to
AlladinOne [14]
A circle is a collection of points all of which are on the circumference of the circle.  If you use algebra and (x-h)^2 + (y-k)^2 = r^2 and the info contained in the coordinates (x,y) of each city, you can find h, k and r.  Then r is the (equal) distance between each city and the center of the circle, where the new tower will be built.

3 0
3 years ago
Use completing the square to determine which of the following gives the solutions to 3x2 - 24x + 40 = 28.
jeka94

Answer:

x=4+2\sqrt{3}

x=4-2\sqrt{3}

Step-by-step explanation:

<u>Completing the square</u>

when  ax^2+bx+c=0

Given equation:

3x^2-24x+40=28

Subtract 40 from both sides:

\implies 3x^2-24x=-12

Divide both sides by 3:

\implies x^2-8x=-4

Add the square of half the coefficient of x to both sides:

(\frac{b}{2})^2=(\frac{-8}{2})^2=16

\implies x^2-8x+16=-4+16

Factor the left side and simplify the right side:

\implies (x-4)^2=12

Square root both sides:

\implies x-4=\pm\sqrt{12}

Add 4 to both sides and simplify the radical:

\implies x=4\pm\sqrt{4 \cdot 3}

\implies x=4\pm\sqrt{4}\sqrt{3}

\implies x=4\pm2\sqrt{3}

5 0
2 years ago
What is 505/10×10 written in unit form
Amiraneli [1.4K]

The number becomes in the unit form is a 5 hundreds and 0 tens and  the 5 ones.

According to the statement

We have given that the number and the we have to write in the unit form.

So, For this purpose, we know that the

The unit form is the way to show how many of each size unit are in a number.

From the given information:

The number is a 505/10×10

Now, we have to solve this And the number becomes is

505.

And the

5 hundreds and 0 tens the 5 ones.

The unit form becomes the 5 hundreds and the 5 ones.

So, The number becomes in the unit form is a 5 hundreds and 0 tens the 5 ones.

Learn more about unit form here

brainly.com/question/2140644

#SPJ9

7 0
2 years ago
X^2-2x−4=0 please leave ans in surd form and simplify​
Jobisdone [24]

Step-by-step explanation:

using the quadratic formula......

3 0
4 years ago
Read 2 more answers
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