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Fiesta28 [93]
3 years ago
7

Solve the equation 1/2x=5/2x-3

Mathematics
2 answers:
lilavasa [31]3 years ago
7 0

Answer:

i think it is a but there are algebra caculators online

Step-by-step explanation:

Nataliya [291]3 years ago
6 0

Answer:

1.5

Step-by-step explanation:

1/2x minus 5/2x = -2x

-3/-2=1.5

x=1.5

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To decrease your household water usage by 10% a month means that a household using 4000 gallons of water a month would cut down
a_sh-v [17]

Answer:

3600

Step-by-step explanation:

0.1*4000=400

4000-400=3600 gallons

8 0
3 years ago
What is 1/9 written as a decimal AND a percentage?
julia-pushkina [17]
.1 repeating - decimal
11% - percentage
6 0
3 years ago
(2a+b)^2 how do you do this
gulaghasi [49]

•  Expand (2a + b)²:

(2a + b)²

= (2a + b) · (2a + b)


Multiply out the brackets by applying the distributive property of multiplication:

= (2a + b) · 2a + (2a + b) · b

= 2a · 2a + b · 2a + 2a · b + b · b

= 2²a² + 2ab + 2ab + b²


Now, group like terms together, and you get

= 2²a² + 4ab + b²

= 4a² + 4ab + b²    <———    expanded form  (this is the answer).


I hope this helps. =)


Tags:  <em>special product square of a sum algebra</em>

3 0
3 years ago
Examine the system of equations.
11Alexandr11 [23.1K]
<h3><u>Explanation</u></h3>
  • Given the system of equations.

y =  -  \frac{1}{4} x - 2  \\ x = 4

  • Substitute x = 4 in the first equation.

y =  -  \frac{1}{4} (4) - 2 \\ y =  - 1 - 2  \\ y =  - 3

We have both x and y values. Therefore, we can answer in coordinate point form.

<h3><u>Answer</u></h3>

<u>\large \boxed{(4, - 3)}</u>

3 0
2 years ago
Read 2 more answers
Factorise fully the following:<br>a) x² + 2x<br>b) 2x² - 6x<br>c) 15x - 10x³<br>d) 9x² + 3x³​
Lostsunrise [7]

Answer:

a) x(x+2)

b) 2x(x-3)

c) 5x(3-2x^2)

d) 3x^2(3+x)

Step-by-step explanation:

a) x^2+2x

When factoring a binomial (a polynomial with two terms), what we will be looking for are the terms that are shared between them.

In this problem, it can be seen that both of these terms have and x. This means that we can factor it out to get

x(x+2)

b) 2x^2-6x

What are the common terms here?

It can be seen that each of these share a 2x, so our factored form would be

2x(x-3)

c) 15x-10x^3

What about this one?

The common factor of this one is 5x, so our factored form would be

5x(3-2x^2)

d) 9x^2+3x^3

The common factor of this one is 3x^2, so our factored form would be

3x^2(3+x)

6 0
3 years ago
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