3 years ago

Why do you need to change the signs in -x^2+6x+m=0 ?

1 answer:

3 0

Answer:

It isn't necessary but having a positive coefficient for $x^2$ makes things like completing the square and factoring easier.

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alina1380 [7]

X is 4 because 64 is 8 squared, so 4 would be 2 squared

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3 years ago

user100 [1]

Step-by-step explanation:

value of d = 90° ( as it's a perpendicular)

e = 49° ( vertically opposite angle)

as, sum of all angles on a straight line is 180°

so,

48° + f = 180°

f = 180 - 49 = 131°

f = 131°

hope this answer helps you dear....take care!

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faltersainse [42]

W+w+(3/2+w)+(3/2+w)=perimeter
4w+6/2=perimeter

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LuckyWell [14K]

Answer:

just beweve

Step-by-step explanation:

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3 years ago

Kryger [21]

Is it any answer choices?

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3 years ago