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2 years ago

Solve for x, give exact answers: 6x^2 - 7x - 3 = 0

Mathematics

2 answers:

katrin2010 [14]2 years ago

5 0

Answer and step by step

Novosadov [1.4K]2 years ago

4 0

Answer:

Step-by-step explanation:

6x∧2-7x-3=0

the coefficient of x² multiplied by -3 = -18

we need to look for 2 numbers that when we add it to together it will equate to -7x

+2 and -9 is the answer

6x∧2+2x-9x-3=0

2x(3x+1)-3(3x+1)=0

(2x-3)(3x+1)=0

equate each brackets to 0

2x-3=0 3x+1=0

2x=3 3x=-1

x=3/2 x=-1/3

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2 years ago

A right circular cylinder has a height of 22 1/4 ft and a diameter 2 2/5 times its height. What is the volume of the cylinder? E

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Step-by-step explanation:

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$\dfrac{12}{5}\times \dfrac{89}{4}=\dfrac{267}{5}ft.$

We know that the radius of cylinder is half the diameter.

Hence, radius(r) of cylinder is:

$\dfrac{1}{2}\times \dfrac{267}{5}\\\\=\dfrac{267}{10}$

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