Divide. Give the exact answer, written as a decimal. __ 2l23

Mathematics

1 answer:

ivolga24 [154]3 years ago

7 0

11.5 im not sure just google it if im wrong!!!

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fredd [130]

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4 years ago

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dangina [55]

The solutions to the given quadratic equation can be determined using quadratic formula.

$x= \frac{-b+- \sqrt{ b^{2} -4ac} }{2a}$

b =coefficient of x term = -1
a = coefficient of squared term = 4
c = constant term = 9

Using the values in the above formula we get:

$x= \frac{1+- \sqrt{1-4(4)(9)} }{2(4)} \\ \\ 
x= \frac{1+- \sqrt{-143} }{8} \\ \\ 
x= \frac{1+-i \sqrt{143} }{8}$

So, option D gives the correct answers

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3 years ago

One angle of a right triangle measures 60°. The side opposite this angle measures 15 inches.

Delicious77 [7]

Step-by-step explanation:

To solve this question I would use the sin rule.

The sin rule states that

$\frac{a}{ \sin(a) } = \frac{b}{ \sin(b) }$