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2 years ago

Please I will give brainliest

Mathematics

2 answers:

atroni [7]2 years ago

8 0

Answer:

I think its D because i did the math for it but tell me if im wrong.

Step-by-step explanation:

I hope you have a nice day

4vir4ik [10]2 years ago

6 0

Answer:

3/4 x 12/8, or the last option

Step-by-step explanation:

Hope it helps!

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Find the exact solutions of x2 − 3x − 5 = 0 using the quadratic formula. Show all work! 75 points please help!!!!!

noname [10]

Answer:

$x=\dfrac{3+ \sqrt{29}}{2}, \quad \dfrac{3- \sqrt{29}}{2}$

Step-by-step explanation:

Quadratic Formula

$x=\dfrac{-b \pm \sqrt{b^2-4ac}}{2a}\quad\textsf{when }\:ax^2+bx+c=0$

Given quadratic equation:

$x^2-3x-5=0$

Define the variables:

$\implies a=1, \quad b=-3, \quad c=-5$

Substitute the defined variables into the quadratic formula and solve for x:

$\implies x=\dfrac{-(-3) \pm \sqrt{(-3)^2-4(1)(-5)}}{2(1)}$

$\implies x=\dfrac{3 \pm \sqrt{9+20}}{2}$

$\implies x=\dfrac{3 \pm \sqrt{29}}{2}$

Therefore, the exact solutions to the given quadratic equation are:

$x=\dfrac{3+ \sqrt{29}}{2}, \quad \dfrac{3- \sqrt{29}}{2}$

Learn more about the quadratic formula here:

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8 0

1 year ago

Read 2 more answers

Please help me with this. I thought the answer was 9 but I was wrong.

Lilit [14]

I think your answer is 28

3 0

2 years ago

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Which shows how to find the value of this expression when x=-2 and y=5 (3x^3y^-2)^2??

lidiya [134]

Answer:

(3×-2^3×5^-2)^2

Step-by-step explanation:

I think this is it I'm not sure sorry if it's not I tried my best to help you.

7 0

2 years ago

What is the quotient of 3125 ÷ 25 answer

forsale [732]

The quotient of 3125/25 is 125

8 0

2 years ago

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Please help if you can please

viktelen [127]

Answer:

30.3° is the answer mi amigo

Step-by-step explanation:

si señor

7 0

2 years ago

Please I will give brainliest​

Please I will give brainliest