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Vesna [10]
2 years ago
7

Which decimal is equal to four-fifths? 0.6 0.8 0.2 0.3 0.4

Mathematics
1 answer:
DochEvi [55]2 years ago
4 0
4/5 = 80/100

0.8 = 80/100

4/5 = 0.8

hope this helps
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No copy and paste answers.
miss Akunina [59]

Answer:

  2.5 miles

Step-by-step explanation:

The relation between time, speed, and distance is ...

  distance = speed × time

We can define t to be Stanley's swimming time. Then t+0.5 was his running time, and 2(t+0.5) was his biking time. His total distance covered is ...

  64 = 9(t +0.5) +16(2(t +0.5)) +2.5(t)

  64 = 43.5t +20.5 . . . . . . . simplify

  43.5 = 43.5t . . . . . . . . . subtract 20.5

  t = 1 . . . . . . . . . . . . . . divide by the coefficient of t

Stanley swam for 1 hour, so the distance he covered while swimming was ...

  (2.5 mi/h)(1 h) = 2.5 mi

Stanley covered 2.5 miles while swimming.

_____

<em>Additional comment</em>

Stanley ran for 1.5 hours, covering 9×1.5 = 13.5 miles. He biked for 3 hours, covering 16×3 = 48 miles. His total distance was 2.5 +13.5 +48 = 64 miles, as given.

6 0
2 years ago
Please help ASAP!!!!!!!!!!
zepelin [54]

Answer:

(c-a, 0)

Step-by-step explanation:

The horizontal space between (c, b) and P is the same as the space between (a, b) and O.

Coordinates are written (x, y), where x is for horizontal space.

P is on the x-axis, making the y-coordinate 0.

(a+c, 0) would be to the right of the entire parallelogram.

(c, 0) would be directly below (c, b).

(a-c, 0) would be to the left of the entire parallelogram and in the other quadrant.

4 0
3 years ago
Can somoene help me with this question please
Alex

Answer:

About 260 seconds

Step-by-step explanation:

Tha rate is:

A: 8L/1.66666m

b: 10L/1m (converted to litres)

Divide 2400 by those rates above which:

2400 / (8/1.66666) = 500

2400 / (10/1) = 240

500 - 240 = 260

7 0
2 years ago
How do you cut a right triangle to make 1 pentagon and 2 triangles
Tanya [424]
Cut only to ends of the triangle off then it will have a pentagon with the uncut shape
7 0
3 years ago
Read 2 more answers
A picture is 2” x 1.5”. Scale is 1:40cm. What are dimensions of original painting
Ann [662]
2*1.4=2.8
1.5*1.4= 2.1
New figure: 2.8 by 2.1
4 0
3 years ago
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