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3 years ago

Helen draw a massive circle she the

Mathematics

1 answer:

alex41 [277]3 years ago

4 0

What do you mean what’s the question

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Use the quadratic formula to solve x2 + 9x + 10 = 0.<br> What are the solutions to the equation?

vampirchik [111]

Answer:

$\large\boxed{x=\dfrac{-9\pm\sqrt{41}}{2}}$

Step-by-step explanation:

$\text{The quadratic formula of}$

$ax^2+bx+c=0$

$\text{If}\ b^2-4a0,\ \text{then the equation has two solutions}\ x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}\\=========================================$

$\text{We have}\ x^2+9x+10=0\\\\a=1,\ b=9,\ c=10\\\\\text{substitute:}\\\\b^2-4ac=9^2-4(1)(10)=81-40=41>0\qquad _{\text{two solutions}}\\\\\sqrt{b^2-4ac}=\sqrt{41}\\\\x=\dfrac{-9\pm\sqrt{41}}{2(1)}=\dfrac{-9\pm\sqrt{41}}{2}$

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3 years ago

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Marianna [84]

Answer:

<h2><u><em>Two-thirds times one-eighth = Start Fraction 1 Over 12 End Fraction </em></u></h2><h2><u><em>Three-halves times 8 = 12</em></u></h2>

Step-by-step explanation:

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3 years ago

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Help plssssssssssssss?

rosijanka [135]

Answer:

Step-by-step explanation:

because when x, the input, is -3, the y, the output, is 3

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3 years ago

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IrinaVladis [17]

Answer:

y-5=(x-6)?

Step-by-step explanation:

Hope this helped!

-BB

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3 years ago

Plz help will mark brainliest 6 points

DochEvi [55]

Answer:

point A.

Step-by-step explanation:

B would be 2.5 and point a is in the middle or -4 and -3 which would make it -3.5

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