Mathematics, 20.09.2019 01:30 hd14yarnell
The ratio of the number of cups of blue paint to the number of cups of red paint that lara mixed to make a shade of purple paint is 3: 1.
part a: write a sentence to describe the number of cups of blue paint that lara mixed with each cup of red paint. (4 points)
part b: how many cups of red paint should lara add to each cup of blue paint to make the shade of purple? explain your reasoning. (4 points)
part c: if lara purchased 6 cups of blue paint for $48, what is the unit price per cup of blue paint? (2 points)
Answers: 2
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Which sum or difference identity would you use to verify that cos (180° - q) = -cos q? a.) sin (a -b) = sin a cos b – cos a sin b b.) cos (a -b) = cos a cos b – sin a sin b c.) cos (a -b) = cos a cosb + sin a sin b d.) sin (a + b) = sin a cos b + cos a sin b
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The ratio of the number of cups of blue paint to the number of cups of red paint that lara mixed to...
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