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lakkis [162]
3 years ago
10

Tell whether the two rates form a proportion

Mathematics
2 answers:
rusak2 [61]3 years ago
5 0

Answer:

1. Yes

2. Yes

3. Yes

4. No

Step-by-step explanation:

Natali [406]3 years ago
3 0

Answer:

1.) 75 miles in 3 hours; 140 miles in 4 hours (no)

2.) 12 gallons in 4 minutes; 21 gallons in 7 minutes (yes)

3.) 150 steps in 50 feet; 72 steps in 24 feet (yes)

4.) 3 rotations in 675 days; 2 rotations in 730 days (no)

Step-by-step explanation:

when in fraction form you cross multiply

12/4=21/7

21*4=12*7

84=84

150/50=72/24

150*24= 50*72

3,600=3,600

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a taxi driver charges a fixed of r to a passenger. In addition, the taxi driver charges a rate of m for each mile driven. Write
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3 years ago
Last year 762 students voted in the student council election at San Bruno Middle School this year 721 students voted to the near
Soloha48 [4]

Answer:

Percent change = 5.4%

Step-by-step explanation:

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Number of students voted last year = 762

Number of students voted this year = 721

Change in the number of students who voted from last year to this year is given by the difference of their number. This gives,

Change in the number of students that voted = 762 - 721 = 41

Now, percentage change in the number of students that voted is given as:

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