3 years ago

Which of the following are applicable. WIll give Brainliest

Mathematics

2 answers:

disa [49]3 years ago

7 0

Answer:

the answer is ADEF beacuse f is botrom point

ANTONII [103]3 years ago

6 0

Answer:

F. because the bottom will only move

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The line of symmetry of the parabola whose equation is y = ax^2 -4x + 3 is

alex41 [277]

Answer:

B. -1

Step-by-step explanation:

If we have a parabola whose equation is:

$y=ax^{2} +bx+c$

The line of symmetry is calculated as:

$x=\frac{-b}{2a}$

Now, we have the equation $y=ax^{2}-4x+3$ and the line of symmetry is $x=-2$

Where:

$b=-4\\c=3$

So, we can replace $b$ by -4 and $x$ by -2 and solve for $a$ using the following equation as:

$x=\frac{-b}{2a}\\-2=\frac{-(-4)}{2a}\\-2(2)a=4\\-4a=4\\a=-1$

It means that the equation of the parabola is equal to:

$y=-1x^{2}-4x+3$

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3 years ago

Without using a calculator, what is 30% of 546? (You can round up to avoid decimal points)

madreJ [45]

Answer:

Hey there!

We can solve this by multiplying 0.3 by 546, which is about 164.

Hope this helps :)

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3 years ago

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At a grocery store you can buy a whole chicken the weights 4 pounds for $3.88 you can also buy a package of chicken drumsticks t

lilavasa [31]

The better buy is 4lbs for $3.88
3.88/4=.97
3.06/3=1.02

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3 years ago

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grin007 [14]

I would say d that what i got.

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3 years ago

Solve for x. (16x + 23)°

erma4kov [3.2K]

16x +23
-16 -16
X = 7....................

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3 years ago