I need help

Mathematics

1 answer:

Andrews [41]3 years ago

5 0

18(3+x) ; distribute to get original

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A=2.3,b=3.9,c=5,9 I do not know how to do this

hammer [34]

Answer:

put the cords on a chart

Step-by-step explanation:

7 0

3 years ago

What is the value of the discriminant for the quadratic equation 0 = x + 2 + x2?

Kobotan [32]

The discriminant of a quadratic expression $ax^2+bx+c$ , where a in not 0, is the expression
$D=b^2-4ac$ .

Thus, we compare $x^2+x+2$ to $ax^2+bx+c$ and see that

a=1, b=1, c=2.

Substituting these values in   $D=b^2-4ac$ , we have:

    $D=(1)^2-4\cdot1\cdot2=1-8=-7$ .

Answer: -7

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3 years ago

Read 2 more answers

Are these equivalent 3r-18 and 3(r-6)

OLEGan [10]

Yes 3 times r is 3r and 3 times -6 is -18

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4 years ago

Im stuck on A and B

Ivanshal [37]

Answer:

lol samee