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zhenek [66]
2 years ago
11

Give exact values. No decimals allowed!

Mathematics
1 answer:
Marat540 [252]2 years ago
8 0

Answer:

sin is radical 3/2

cos is -1/2

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Find the limit. (If an answer does not exist, enter DNE.) lim Δx→0 (x + Δx)2 − 3(x + Δx) + 2 − (x2 − 3x + 2) Δx
yawa3891 [41]

\displaystyle\lim_{\Delta x\to0}\frac{(x+\Delta x)^2-3(x+\Delta x)+2-(x^2-3x+2)}{\Delta x}

Expand the numerator as

x^2+2x\Delta x+(\Delta x)^2-3x-3\Delta x+2-x^2+3x-2=(2x-3)\Delta x+(\Delta x)^2

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\displaystyle\lim_{\Delta x\to0}\frac{(2x-3)\Delta x+(\Delta x)^2}{\Delta x}=\lim_{\Delta x\to0}(2x-3+\Delta x)=\boxed{2x-3}

3 0
3 years ago
Find the value of x in a triange..which x -10+2x+20+x+20
statuscvo [17]

ANSWER:

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30 = 3x

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~batmans wife dun dun dun...

4 0
3 years ago
Read 2 more answers
WILL MARK BRAINLIEST!
Maurinko [17]

Answer:

  A)  square; rectangle; rhombus

Step-by-step explanation:

Opposite sides are parallel and all sides are the same length. Angles at the corners are 90°, so the figure is a rhombus, rectangle, and square: choice A.

7 0
3 years ago
Can someone help me understand how to do this
lukranit [14]
When it comes to perimeter just add all the sides I’ll insert a picture
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