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il63 [147K]
3 years ago
15

HELP PLEASE, Last course I need to finish and I'm a 40%, need help getting to a 60%.... do not comment, if your not willing to h

elp.. 100 points... to get me to a 60%
Mathematics
2 answers:
statuscvo [17]3 years ago
8 0
I will help you get to a 60% i mean why not wouldn't hurt right?\



zheka24 [161]3 years ago
3 0
Please ask some questions and I will assist to the best of my abilities. <span />
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Strike441 [17]

Answer:

Option C and D

Step-by-step explanation:

For a quadratic function having no x-intercepts the discriminant should be less than 0 .

D=b^2-4ac

Now if this is less than zero if we plug in the values of a, b and c the square root of a negative number cannot be calculated thus giving us no real x-intercepts.

x=-b+-\frac{\sqrt{b^2-4ac} }{2a} \\\\x=-b+-\frac{\sqrt{D} }{2a}

Here we can see that if we the value of D is less than zero the square would not be possible thus our correct choices are ,

Option C and D

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2 years ago
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Mademuasel [1]

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7 0
3 years ago
The sum of the ages of two brothers is 46. The younger brother is 10 more than a third of the older brother’s age. How old is th
andreev551 [17]
If the older brother is 27...27/3=9...+10=19....and 27+19=46. So the math works out, the younger brother is 19.
7 0
3 years ago
Which graph represents a reflection of f(x) = 6(0.5)x across the x-axis?
Musya8 [376]
The required graph is attached.

7 0
3 years ago
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Step-by-step explanation:

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6 0
3 years ago
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