2 years ago

What is the length of AB? Help ASAP

Mathematics

2 answers:

DIA [1.3K]2 years ago

5 0

6/8 is the answer you’re looking for

SCORPION-xisa [38]2 years ago

3 0

Answer:

6/8

Step-by-step explanation:

simplify and find the slope

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Can someone please help meeee? Im struggling on this.. I suck at math :(

Mamont248 [21]

the answer is triangle G

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3 years ago

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Identify the zeros of the function f(x) = 4x2 − 8x − 1 using the Quadratic Formula. HELP ASAP!!

forsale [732]

$1+\dfrac{\sqrt{5}}{2},1-\dfrac{\sqrt{5}}{2}$

Step-by-step explanation:

The given equation is $4x^{2}-8x-1$

Let $a$ be the coefficient of $x^{2}$

Let $b$ be the coefficient of $x$

Let $c$ be the constant.

Then the roots α,β for the equation $ax^{2}+bx+c$ are $\dfrac{-b+\sqrt{b^{2}-4ac} }{2a},\dfrac{-b-\sqrt{b^{2}-4ac} }{2a}$

So,α= $\frac{-b+\sqrt{b^{2}-4ac} }{2a}=\frac{8+\sqrt{64+16} }{8}=\frac{8+4\sqrt{5}}{8}=1+\frac{\sqrt{5}}{2}$

β= $\frac{-b-\sqrt{b^{2}-4ac} }{2a}=\frac{8-\sqrt{64+16} }{8}=\frac{8-4\sqrt{5}}{8}=1-\frac{\sqrt{5}}{2}$ .

So the roots are $1+\frac{\sqrt{5}}{2},1+\frac{\sqrt{5}}{2}$

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3 years ago

F(x) = 2x² + 2, find f(5).?

Romashka-Z-Leto [24]

Answer:

sorry if i got it wrong but i think its 22 if f5

Step-by-step explanation:

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2 years ago

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frozen [14]

1. NIL
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3. OH
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aev [14]

Answer:

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Step-by-step explanation:

You can solve this by combining like terms. Add the numbers with the correct exponents together.

-a³+5a³

4a-a

Thus, the answer is

4a³+3a-3

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3 years ago