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2 years ago

PLEASE HELP ME!!!! Please show work thank you!

Mathematics

1 answer:

Vaselesa [24]2 years ago

7 0

Answer:

use khan academy

Step-by-step explanation:

khanacedemy.com

dont cheat dude

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Please help asap 25 pts

beks73 [17]

$y=ax^2+bx+c\\\\\text{Axis of symmetry:}\ x=\dfrac{-b}{2a}$

$\text{We have:}\\\\y=4x^2+16x-18\\\\a=4;\ b=16;\ c=-18\\\\x=\dfrac{-16}{2\cdot4}=\dfrac{-16}{8}=-2$

Answer: A.

6 0

3 years ago

Write an expression in expanded form and an expression in factored form for the diagram.

olga2289 [7]

Step-by-step explanation:

You put them together to form a bigger number then break it down. sorry if it doesn't make sense.

Btw do you form the number if so I'll help just give the number and I'll break it down for you. :)

6 0

3 years ago

Read 2 more answers

Help what is 2v+5(3v+4

Artemon [7]

explanation:

There isn't an exact way to answer this problem. Is there more to the question? If not, I am unable to answer it for you.

4 0

2 years ago

Plssss helpppp thankssssss

Vlad [161]

Answer:

Step-by-step explanation:

6/2 = 3

because the triangle is halved

use pythagorus 3²+4²=25

√25 = 5

so x=5

4 0

2 years ago

Help asap with Arcs! 30 Points

alexira [117]

The answer is 15

these chords are congruent because the radius of the circle are perpendicular to the them
so we can find EF by making an equation:
$3x + 5 = x + 35 \\ 3x - x = 35 - 5 \\ 2x = 30 \\ x = \frac{30}{2} = 15$

so EF is = 3(15)+5=50
good luck

6 0

3 years ago