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3 years ago

34 X 19/38 reduced to lowest term

Mathematics

1 answer:

torisob [31]3 years ago

7 0

19/38 = 1/2 (divided top and bottom by 19)

34 X 19/38

= 34 X 1/2

= 34/2

= 17/1

Answer

17/1 (or 17)

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Dina and Masha start cycling on a 20 km bike path at the same time. When Dina reaches the end of the path, Masha still has 4 km

sammy [17]

Answer:

0.5 hour

Step-by-step explanation:

Given

Speed of Dina = 10 km/h

Distance = 20 km

So the time Dina taken to complete the track is:

$Speed=\frac{distance}{time}\\10=\frac{20}{time}\\time=\frac{20}{10}\\ time=2\ hours$

The time taken by Dina is 2 hours. As masha started with dina but she was 4 km of the path left to cycle,

her distance covered in 2 hours was:

$Distance\ covered\ by\ Masha\ in\ 2\ hours=20-4\\=16 km$

So we know the time and distance:

Now,

$Speed\ of\ Masha=\frac{distance}{time}\\ =\frac{16}{2}\\ =8\ kilometer\ per\ hour$

We have to calculate the time that will be needed by MAsha to complete the track:

As we know the speed and remaining distance

$Speed=\frac{distance}{time}\\8=\frac{4}{time}\\ time=\frac{4}{8}\\time=0.5\ hours$

Masha needs 0.5 hour to complete the track ..

7 0

3 years ago

Read 2 more answers

A coat that was $125 but it marked down 30%

Nady [450]

Answer: $87.50

Step-by-step explanation:

Did a short way I learned.

Since we are marking down did

100%-30% = 70%

Convert it into a decimal:0.7

Did 125(0.7) and got 87.50.

I am 100% sure this is right.

3 0

3 years ago

For the given value of a , find - a and |a|

Anastaziya [24]

$1.\\a=10.2\\-a=-10.2\\|a|=|10.2|=10.2\\------------\\2.\\a=-14\\-a=-(-14)=14\\|a|=|-14|=14\\-------------\\3.\\a=\frac{1}{2}\\-a=-\frac{1}{2}\\|a|=|\frac{1}{2}|=\frac{1}{2}$

5 0

4 years ago

Subtract: 6lb 4oz<br> - 2lb 10oz

Virty [35]

6 lb = 96 oz
2 lb = 32 oz

96 + 4 = 100
32 + 10 = 42

100 - 42 = 58
58 oz

58 / 16 = 3 10/16
3 lb 10 oz

Answer: 3 lb 10 oz

5 0

4 years ago

Read 2 more answers

Myles has a room that is 300 m². If he wants to tile the room using 5 cm x 5 cm tiles, how many whole tiles will he have to use?

amid [387]

Answer:

Number of whole tiles need = 120,000 tiles

Step-by-step explanation:

Given:

Area of room = 300 m²

Dimension of each tile = 5cm x 5cm

Find:

Number of whole tiles need

Computation:

Dimension of tile in meter = 5 /100 = 0.05 m

Area of each tile = 0.05 x 0.05

Area of each tile = 0.0025 m²

Number of whole tiles need = Area of room / Area of each tile

Number of whole tiles need = 300 / 0.0025

Number of whole tiles need = 120,000 tiles

Total 120,000 tiles need to cover 300 m² room.

3 0

3 years ago