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solong [7]
3 years ago
11

[(x/x+3)+(3/x+3)+(2/x+3)] sum

Mathematics
2 answers:
nordsb [41]3 years ago
8 0
You get the answer x+5/x+3.
This is because all of the fractions have the same denominator, so just add the numerators and put them over x+3.
AysviL [449]3 years ago
3 0

Answer:

\frac{(x+5)}{(x+3)}

Step-by-step explanation:

We have been given an expression

\frac{x}{x+3}+\frac{3}{x+3}+\frac{2}{x+3}

We need to find the sum of the given expression we will first take the LCM of the denominator which is (x+3) then we get

\frac{x+3+2}{x+3}

\Rightarrow \frac{(x+5)}{(x+3)}

Therefore the required sum that is sum  of the expression is

\frac{(x+5)}{(x+3)}

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Solve x^2=2x+3 by factoring
solong [7]

The solution is x = 1 and x = -3

<em><u>Solution:</u></em>

Given that we have to solve the given equation by factoring

Given equation is:

x^2=2x + 3\\\\x^2 - 2x - 3 = 0

\text{Consider the form } x^2+bx+c

Find a pair of integers whose product is c and and whose sum is b

\text{Compare } x^2-2x-3 = 0 \text{ with } x^2+bx +c\\\\\text{We get } b = -2 \text{ and } c = -3

Now find, a pair of integers whose sum is -2 and product is -3

The integers that satisfies this condition is -1 and 3

When we add - 1 and 3 we get 2

When multiply -1 and 3 we get -3

Thus the pair of integers are -1 and 3

Write the factored form using these integers.

(x-1)(x+3) = 0

The Zero Product Property states that if ab = 0, then either a = 0 or b = 0, or both a and b are 0

Set the factors equal to 0

x - 1 = 0 \text{ and } x + 3 = 0

x = 1 and x = -3

Thus the solution is x = 1 and x = -3

4 0
3 years ago
Help please!!!!!!!!!!!!
r-ruslan [8.4K]

Answer:

x=175

Step-by-step explanation:

1st number = x

2nd number = x

3rd number = 1.6(2x)

x+x+1.6(2x)=910

x+x+3.2x=910

5.2x=910

x=175

6 0
3 years ago
Which best describes the sides of a rhombus? A. Only one set of sides is parallel. B. All sides are the same length. C. All side
Basile [38]
Hello there.

Question: <span>Which best describes the sides of a rhombus?
A. Only one set of sides is parallel.
B. All sides are the same length.
C. All sides are a different length.

Answer: It would be </span>B. All sides are the same length. 

Hope This Helps You!
Good Luck Studying ^-^
7 0
3 years ago
I need help please...
Ksivusya [100]

Answer:

A

Step-by-step explanation:

Area of Triangle = BH/2

B = 11

Height = 2

11*2 = 22

22/2 = 11

11 sq units = A

6 0
3 years ago
Read 2 more answers
What is the constant of proportionality for the following table? Express your answer as a decimal.
stellarik [79]

Answer:

Bottom is 1 Top is 2 I guess

6 0
3 years ago
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