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juin [17]
3 years ago
6

Find the value of the greater root of x^2-6x+5=0

Mathematics
1 answer:
tia_tia [17]3 years ago
6 0

Answer:

5

Step-by-step explanation:

the roots are:

\left \{ {{x_1+x_2=6} \atop {x_1*x_2=5}} \right.  \ => \ \left \{ {{x_1=1} \atop {x_2=5}} \right.

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Does anyone know how to work this out?
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Step-by-step explanation:

conditions : x≠0 and x≠-a and b≠1

1/(x+a) = b/x ⇌ 1×x = b(x+a) ⇌ x = bx + ba ⇌ (1-b)x = ab ⇌ x = ab/(1-b)

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3 years ago
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15. Lily deposited $570 into her account in 15 days. Write an equation to
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Readme [11.4K]

As far as I understand A)

4 0
2 years ago
6) What is 13% of 33.39?
icang [17]

Answer:

1. We assume, that the number 33.39 is 100% - because it's the output value of the task.

2. We assume, that x is the value we are looking for.

3. If 33.39 is 100%, so we can write it down as 33.39=100%.

4. We know, that x is 13% of the output value, so we can write it down as x=13%.

5. Now we have two simple equations:

1) 33.39=100%

2) x=13%

where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:

33.39/x=100%/13%

6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for what is 13% of 33.39

33.39/x=100/13

(33.39/x)*x=(100/13)*x       - we multiply both sides of the equation by x

33.39=7.6923076923077*x       - we divide both sides of the equation by (7.6923076923077) to get x

33.39/7.6923076923077=x

4.3407=x

x=4.3407

now we have:

13% of 33.39=4.3407

Step-by-step explanation:

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