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marysya [2.9K]
3 years ago
13

Isaac practiced the piano three days last week for a total of 9 1/2 hours. On average, how many hours each day did Isaac practic

e?
A. 3 hours
B. 3 hours and 6 minutes
C. 3 hours and 10 minutes
D. 4 hours
Mathematics
1 answer:
vladimir2022 [97]3 years ago
4 0
4 hours my bad if I’m wrong
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Numbers 38 and 40 pls and thanks
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On a number line, what is the distance between –14 and –3?
Allisa [31]

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2 years ago
∠A and \angle B∠B are supplementary angles. If m\angle A=(7x+10)^{\circ}∠A=(7x+10) ∘ and m\angle B=(7x-26)^{\circ}∠B=(7x−26) ∘ ,
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108 degrees

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Since angles A and B are supplementary, they both add up to 180. Angle A = 7x+10, and angle B = 7x-26. You can set up the equation A + B = 180, and then plug in angles A and B, which gives you 7x+10 + 7x-26 = 180. Then you just need to isolate x:

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2 years ago
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