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11.07.2019 •
Mathematics
Timothy spends 2.4 hours doing his homework. he did math, english, history, and social studies in the ratio 2: 2: 3: 1. how much time did he spend on each subject?
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Ответ:
Time spend doing math home work is 0.6 hour
Time spend doing English home work is0.6 hour
Time spend doing history home work is 0.9 hour
Time spend doing social studies home work is 0.3 hour
Step-by-step explanation:
Ratio of time spend by Timothy while doing math, english, history, and social studies homework :2:2:3:1
Let the time spend doing math home work be 2x
Let the time spend doing English home work be 2x
Let the time spend doing history home work be 3x
Let the time spend doing social studies home work be 1x
Total time spend by timothy = 2.4 hours
x = 0.3 hours
Time spend doing math home work =2x = 2 × 0.3 hour = 0.6 hour
Time spend doing English home work =2x = 2 × 0.3 hour = 0.6 hour
Time spend doing history home work =3x = 3 × 0.3 hour = 0.9 hour
Time spend doing social studies home work =1x = 1 × 0.3 hour = 0.3 hour
Ответ:
The answer is C. -2
Step-by-step explanation:
The formula for slope is referred to "rise over run". So in this case you rise 2 over one (2/1) That gives you 2. But since the line is going down is -2