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Ghella [55]
3 years ago
6

Jenn swam ⅕ mile in ¼ hour. What is her unit rate in miles per hour?

Mathematics
2 answers:
Paladinen [302]3 years ago
4 0

Answer:

1/2 mile/1/5 hour = 5/2 mph = 2 1/2 mph

Step-by-step explanation:

raketka [301]3 years ago
4 0

Answer:

0.80mph

Step-by-step explanation:

If 1/5 = 1/4, then:

she swims 1/5 miles for every 1/4 (fourth) of an hour

per hour means 1 hour

we must covert 1/4 to 4/4 (one mile)

1/4 × 4/1 = 4/4

if we multiply by 4/1 to get to 4/4, then we must also multiply by 4/1 for 1/5 miles

1/5 × 4/1 = 4/5

Her unit rate in miles per hour is 4/5 per 1 miles, or 0.80mph

*0.80 = 4/5 because 4 × 20 = 80 and 5 × 20 = 100; 80/100 = 0.80*

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Read 2 more answers
I really need help!!!!!! 25 points!!
SCORPION-xisa [38]

Answer:

1.  9/25  units^2

2.    s = 1/4 unit

3.    = 8/27  units^3

4.     s = 3/4 unit

Step-by-step explanation:

1.  The area of a square is A=s^2

                                            A = (3/5)^2

                                                 = (3/5) *(3/5)

                                                  = 9/25  units^2

2.   The area of a square is A=s^2

                                             1/16 = s^2

       Take the square root of each side

                                          sqrt(1/16) = sqrt(s^2)

                                              1/4 = s

                                            s = 1/4 unit

3.  The volume of a cube is V = s^3

                                             V = (2/3)^3

                                                 = (2/3) (2/3) (2/3)

                                                  = 8/27  units^3

4.The volume of a cube is V = s^3

                                          27/64 = s^3

Take the cube root of each side

                                         (27/64)^(1/3) = (s^3)^(1/3)

                                               3/4 = s

                                                     s = 3/4 unit












5 0
3 years ago
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