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RoseWind [281]
3 years ago
9

Simplify -4b + (-9k) -6 - 3b + 12

Mathematics
1 answer:
yKpoI14uk [10]3 years ago
5 0

Answer:

-1 • (7b + 9k - 6)  

Step-by-step explanation:


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Plz answer the question attached
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Answer:

y = -2x + 5

Step-by-step explanation:

To find the slope, you need to pick two points and put into the slope formula.  It doesn't matter which ones, you will get the right answer regardless.  I used (-3, 11) and (2, 1).

m=\frac{y_{2} -y_{1} }{x_{2} -x_{1} } \\m=\frac{11 -1 }{-3 -2 } \\m=\frac{10 }{-5 } \\m=-2

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2. A bag contains 3 red, 4 white, and 5 blue marbles. Jason begins removing marbles from the bag at
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c

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What is 7/20 in decimals
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Make a the subject of a2+b2=c2
wel

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a=\sqrt{c^2-b^2

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Given expression:

a^2+b^2=c^2

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The difference of squares can be factorized and written  as:

a=\sqrt{(c+b)(c-b)}    [difference of squares x^2-y^2=(x+y)(x-y) ]

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