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* 5.9 Solve percent problems using strip models MEA
Sixth grade
Read the problem.
At Hartridge Fudge Shop, 20% of the fudge has caramel swirls. If the owner made 8
pounds of caramel-swirled fudge, how many pounds of fudge did she make in all?
Pick the model that represents the problem.
90% 100%
80%
70%
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50%
40%
20%
30%
0%
10%
8
?
0
80%
90% 100%
70%
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10%

Malia is observing the velocity of a cyclist at different times. after two hours, the velocity of the cyclist is 15 km/h. after five hours, the velocity of the cyclist is 12 km/h. part a: write an equation in two variables in the standard form that can be used to describe the velocity of the cyclist at different times. show your work and define the variables used. (5 points) part b: how can you graph the equations obtained in part a for the first 12 hours? (5 points) if you can try and make this as little confusing as you can

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

What is the expression in factored form? 225x^2 - 144 a. 9(5x+4)^2 b. 9(5x-4)^2 c. 9(4x+5)(4x-5) d. 9(5x+4)(5x-4)