Which situation can be represented by the equation x-6=11?

Mathematics

2 answers:

Ann [662]2 years ago

6 0

Answer:

i think its B

Step-by-step explanation:

given the $6 and in total she now has $11 and x is what you need to find to make $11 the total

Nitella [24]2 years ago

3 0

Answer:

Step-by-step explanation:

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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:

$\text{The quadratic formula of}$

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