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dolphi86 [110]
3 years ago
8

Find the value of the greater root of x^2 + 10x + 24x = 0 a) -6 b) -4 c) 4 d) 6

Mathematics
2 answers:
Vanyuwa [196]3 years ago
7 0

Answer:

B

Step-by-step explanation:

We have the equation:

x^2+10x+24=0

We can factor:

(x+6)(x+4)=0

By the Zero Product Property:

x+6=0\text{ or } x+4=0

Solve:

x=-6\text{ or } x=-4

-4 is greater than -6, so -4 is the greater root.

Our answer is B.

Lubov Fominskaja [6]3 years ago
3 0

what formula is applied, I mean what method

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How many solutions exist for the given equation?
NikAS [45]

There is only one solution which is x = -370 to the given equation 0.75(x + 40) = 0.35(x + 20) + 0.35(x + 20) option second is correct.

<h3>What is linear equation?</h3>

It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.

If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable.

We have a linear equation in one variable:

0.75(x + 40) = 0.35(x + 20) + 0.35(x + 20)

After rearranging and simplification:

\rm 0.75\left(x+40\right)=0.7\left(x+20\right)

\rm 75\left(x+40\right)=70\left(x+20\right)

\rm 75x+3000-3000=70x+1400-3000

\rm 75x=70x-1600

x = -370

Thus, there is only one solution which is x = -370 to the given equation 0.75(x + 40) = 0.35(x + 20) + 0.35(x + 20) option second is correct.

Learn more about the linear equation here:

brainly.com/question/11897796

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8 0
2 years ago
What is 4/9+1/3 in fraction from
ololo11 [35]
I think it's 7/9 .. try it
 


   
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What is the solution set of |2x + 1| &gt; 5?
yKpoI14uk [10]

Step-by-step explanation:

|2x+1|>5\\\implies 2x+1>5 \: \text{or} \: 2x+1>-5\\\implies 2x>4 \: \text{or} \: 2x>-6\\\implies x>2 \: \text{or} \: x>-3\\\text{Solution set:}  x\in ( -\infty, -3)\cup (2, +\infty)

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