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gulaghasi [49]
3 years ago
5

Factor the expression X2+4X +4

Mathematics
1 answer:
mash [69]3 years ago
4 0

Answer:

A

Step-by-step explanation:

(x+2)(x+2)

= x^2+2x+2x+4

=x^2+4x+4

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A number r divided by 82
Natalija [7]

Answer:

574 is a number that can be divided by 82

6 0
3 years ago
Suppose the roots of the equation 2x^2−5x−6=0 are α and β.Find the quadratic equation with roots 1/α and 1/β.​
pochemuha

Answer:

6x² + 5x - 2 = 0

Step-by-step explanation:

Given

2x² - 5x - 6 = 0 ← in standard form

with a = 2, b = - 5, c = - 6, then

sum of roots α + β = - \frac{b}{a} = \frac{5}{2}

product of roots = \frac{c}{a} = - 3, then

sum of new roots = \frac{1}{\alpha } + \frac{1}{\beta }

= \frac{\beta+\alpha  }{\alpha \beta }

= \frac{\frac{5}{2} }{-3} = - \frac{5}{6}

product of new roots = \frac{1}{\alpha } × \frac{1}{\beta }

= \frac{1}{\alpha\beta  } = - \frac{1}{3}

Hence the required equation is

x² + \frac{5}{6} x - \frac{1}{3} = 0 or

6x² + 5x - 2 = 0 ( multiplying through by 6 )

                           

8 0
4 years ago
How many yards has a mile
stiv31 [10]
He's correct 
there is exactly 1760 yards in a mile

3 0
4 years ago
How do I solve (21/12)/(7/12) ?<br>Is the answer 3?
alukav5142 [94]
It is! When you're doing a fraction specifically like that, the denominators cancel out. Therefore you can get rid of the 12. It just becomes 21/7, which as you know is 3.

Hope that helps :)
5 0
3 years ago
After evaluating Olya’s monthly budget, which of the following would not be an option to help reduce her debt?
frosja888 [35]
The answer is B.<span>Olya could skip a month or two paying for her school loan and put the money towards her credit card debt. just took the test..</span>
6 0
4 years ago
Read 2 more answers
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