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Gennadij [26K]
3 years ago
9

A car traveled 3⁄4 mile in one minute at constant speed. What was the speed of the car in miles per hour?

Mathematics
1 answer:
Dmitry [639]3 years ago
4 0
3/4 mile is 0.75 mile per minute
There are 60 minutes in one hour
0.75 times 60 equals 45 miles
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Disheveled shelve should 263
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2 years ago
What two numbers multiply to give you 6 and add up to give you negative 7
Bad White [126]

Answer:

-1 and -6

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8 0
3 years ago
1 4/5+ 2 2/3=what<br><br> 5 7/8 - 3 1/2=what<br> 1 1/2+ 3 1/5=what<br> 7 5/6- 5 1/2=what
lilavasa [31]

Answer:

1.) 4 7/15

2.) 2 3/8

3.) 4 7/10

4.) 2 1/3

Step-by-step explanation:

1.) 1 4/5 + 2 2/3

3 + 4/5 + 2/3

LCD = 15

3 + 12/15 + 10/15

3 + (12 + 10)/15

3 + 22/15

3 + 1 7/15

4 7/15

2.) 5 7/8 - 3 1/2

(5 x 8 + 7)/8 - 3 1/2

47/8 - 3 1/2

47/8 - (3 x 2 + 1)/2

47/8 - 7/2

LCD = 8

47/8 - 28/8

19/8

2 3/8

3.) 1 1/2 + 3 1/5

4 + 1/2 + 1/5

LCD = 10

4 + 5/10 + 2/10

4 + (5 + 2)/10

4 7/10

4.) 7 5/6 - 5 1/2

(7 x 6 + 5)/6 - 5 1/2

47/6 - 5 1/2

47/6 - (5 x 2 + 1)/2

47/6 - 11/2

LCD = 6

47/6 - 33/6

(47 - 33)/6

14/6

7/3

2 1/3

3 0
3 years ago
Read 2 more answers
Simplify the expression 9 x (2 x 4)2 =
Travka [436]
Answer is.. 144.

2 x 4 = 8

9 x 8 = 72

72 x 2 = 144
3 0
3 years ago
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