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inessss [21]
3 years ago
9

Help smart teachers or people help

Mathematics
1 answer:
nalin [4]3 years ago
8 0

Answer:

a,c,

Step-by-step explanation:

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Natalie walked 3/5 mile in 1/2 hour. How fast did she walk, in miles per hour
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6/5 miles per hour or 1.2 miles per hour

Step-by-step explanation:

If Natalie walked 3/5 miles in 1/2 hour, then in 1 hour she would have walker 6/5 miles(3/5 * 2). You can write 6/5 as 1.2 (6 divided by 5). Thus, Natalie walked 1.2 miles per hour

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Item 9 a flight averages 460 miles per hour. the return flight averages 500 miles per hour due to a tailwind. the total flying t
Ksenya-84 [330]

Let us say that the variables for flight is designated by 1, while the return flight by 2, since the distance travelled are equal, therefore:

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460 t1 = 500 t2

 

Since t1 + t2 = 4.8, therefore: t1 = 4.8 – t2

460 (4.8 – t2) = 500 t2

2208 – 460 t2 = 500 t2

960 t2 = 2208

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Answer:

The flight took 2.5 hours while the return flight took 2.3 hours.

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3 years ago
Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the corre
nordsb [41]

Answer:


Step-by-step explanation:

for right-angled triangle: a^2 + b^2 = c^2

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