4 years ago

Simplify -16 -22+ 22) A. -16 B. 39 C. 16 D.38 Help me PLZZZZZZ ;(

Mathematics

2 answers:

Alina [70]4 years ago

8 0

Answer:

Step-by-step explanation:

-22+22=0

-16

vlabodo [156]4 years ago

4 0

Answer: A

-16 is the answer

Plz mark brainliest:)

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Solve the equation. 2(3x – 5) = 8

stiks02 [169]

You would distibute first distribute

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add 10 on both sides

6x=18

Then you divide 6 on both sides to get x by itself so

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3 years ago

What is the unit form in (2 tens 1 one) ×10

Nonamiya [84]

we need to find the unit form in 2 tens and one multiplied with 10 .' we know that

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3 years ago

"the sum of d and 9.

ozzi

Answer:

d+9

Step-by-step explanation:

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

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3 years ago

Help, WIll give 20 points

Kisachek [45]

Answer:

i dont know

Step-by-step explanation:

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