A part is being machined. The starting thickness

Mathematics

1 answer:

Free_Kalibri [48]2 years ago

4 0

Im mot sure of the answer

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Which of the following would be an acceptable first step in simplifying the expression sinx/1-sinx

Paha777 [63]

$\bf \textit{difference of squares}
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(a-b)(a+b) = a^2-b^2\qquad \qquad 
a^2-b^2 = (a-b)(a+b)
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\textit{also recall that }sin^2(\theta)+cos^2(\theta)=1\implies cos^2(\theta)=1-sin^2(\theta)\\\\
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$\bf \cfrac{sin(x)}{1-sin(x)}\implies \cfrac{sin(x)}{1-sin(x)}\cdot \cfrac{1+sin(x)}{1+sin(x)}\implies \stackrel{first~step}{\cfrac{sin(x)[1+sin(x)]}{[1-sin(x)][1+sin(x)]}}
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tan(x)[sec(x)+tan(x)]$

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2 years ago

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If YV = 28 in, find the length of vyw

max2010maxim [7]

Answer:

I’m sorry I don’t know

Step-by-step explanation:

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2 years ago

which weighs more a watermelon that weighs 7.5 kilograms or a baby that weighs 12 pounds? note that 1 pound is about 0.45 kilogr

Sonbull [250]

Answer:

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How many terms are in the expression 2x + 3x + 4 + 2y?

Luden [163]

Answer:

7 terms

Step-by-step explanation:

A term is a single mathematical expression. It may be a single number (positive or negative), a single variable ( a letter ), several variables multiplied but never added or subtracted. Some terms contain variables with a number in front of them. ... Examples of single terms: 3x is a single term.

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2 years ago

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Can a triangle be formed with the given lengths 9 in, 12 in, 18 in?

balandron [24]

9+12>18
12+18>9
9+18>12

So, yes. A triangle can be formed by the given angles.

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2 years ago

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