3 years ago

PLEASE HELP WITH MY TIME SIGNATURES ASAP

1 answer:

5 0

The notes with all black are 1 beat (first position for tuba idk about the rest) the line things are pauses so you would pauses for like 1.99 seconds

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Find and simplify the difference quotient for the given function

iren2701 [21]

$\dfrac{f(x+h)+f(x)}{h}$

Replace f(x) and f(x+h) by using the equation given for the problem.

$=\dfrac{(2(x+h)^2-(x+h)-1)-(2x^2-x-1)}{h}$

Open all parenthesis

$= \dfrac{2x^2+4xh+2h^2-x-h-1-2x^2+x+1}{h}$

Factor the h

$= \dfrac{h(4x+2h-1)+2x^2-2x^2+1-1+x-x}{h}$

Other terms not in the parenthesis cancel each other out

$\dfrac{h(4x+2h-1)}{h}$

Now, simplify

$=4x+2h-1$

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3 years ago

Find the perimeter of the shape below:

skad [1K]

Add all sides

use distance formula to fnd distance: sqrt((x1-x2)^2+(y1-y2)^2)
if is wrong,i'm sorry,i think this is right

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3 years ago

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(2x-20) + 86 what is the the value of x

julsineya [31]

When (2x-20)＋86＝0
2x-20＝-86
2x＝-46
x＝-23

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