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liberstina [14]
3 years ago
11

What is the solution of x^2+x-6/x-7<0 PLEASE HELP ME :( (it’s not the 2nd one i already tried it)

Mathematics
1 answer:
kupik [55]3 years ago
8 0
For x^2+x-6/x-7=0, I think it should be x=~2.59262 or x=~-2.75153 or x=~-0.84108
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Complete the table of inputs and outputs for the given function. g(x) = 3 - 8x g() 0 -5 3 Reset​
Mandarinka [93]

Answer:

3/8, 0

0, 3

1, -5

3, -21

Step-by-step explanation:

i just took the test in edmentum and got it right :)

7 0
2 years ago
Factor 4x^4+7x^2-2=0
natulia [17]

Answer:

(2x-1)(2x+1)(x^2+2) = 0

Step-by-step explanation:

Here's a trick:  Use a temporary substitution for x^2.  Let p = x^2.  Then 4x^4+7x^2-2=0 becomes 4p^2 + 7p - 2 = 0.  

Find p using the quadratic formula:  a = 4, b = 7 and c = -2.  Then the discriminant is b^2-4ac, or (7)^2-4(4)(-2), or 49+32, or 81.  

Then the roots are:

       -7 plus or minus √81

p=   --------------------------------

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Recalling that p = x^2, we let p = x^2 = 1/4, finding that x = plus or minus 1/2.  We cannot do quite the same thing with the factor p= -2 because the roots would be complex.

If x = 1/2 is a root, then 2x - 1 is a factor.  If x = -1/2 is a root, then 2x+1 is a factor.  

Let's multiply these two factors, (2x-1) and (2x+1), together, obtaining 4x^2 - 1.  Let's divide this 4x^2 - 1 into 4x^4+7x^2-2=0.  We get x^2+2 as quotient.

Then, 4x^4+7x^2-2=0 in factored form, is (2x-1)(2x+1)(x^2+2) = 0.

6 0
3 years ago
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maw [93]

Answer:

that is the solution to the question

6 0
3 years ago
Read 2 more answers
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NikAS [45]

Answer:

18 3/4 cups are required to bake 15 dozen of cookies.

Step-by-step explanation:

x = 75/4

x = 18 3/4 cups

18 3/4 cups are required to bake 15 dozen of cookies.

4 0
3 years ago
Mimi started a pattern whit 5 and used the rule add 10
guajiro [1.7K]

Answer:

This seems like an incomplete question...

Step-by-step explanation:

The pattern would go 5...15...25...35...45...55... and so on.

Hope this is the answer you were looking for!!  :)

3 0
2 years ago
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