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aleksandrvk [35]
3 years ago
12

David and Mark are marking exam papers. Each set takes David 24 minutes and Mark 1 hour. Express the times David and Mark take a

s a ratio.
Give your answer in its simplest form
Mathematics
1 answer:
attashe74 [19]3 years ago
8 0

Answer:

2:5

Step-by-step explanation:

david=24mins

mark = 1hour

change 1 hour to mins

DAVID=24

MARK=60

24:60

THEN SIMPLIFY

24/60

<em>=</em><em>2</em><em>/</em><em>5</em>

<em><u>2</u></em><em><u>:</u></em><em><u>5</u></em>

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The cylindrical container shown below can be completely filled with 24 litres of water. The base area of the container is 600 cm
Virty [35]

Answer:

40cm

Step-by-step explanation:

volume of a cylinder= πr²h

V=24litres, Area=πr²=600cm², height=?

converting litres to cm³

1litre=1000cm³

24litres= 24×1000

=24000cm³

24000=600× h

h= 24000/600

= 40cm

5 0
2 years ago
A class of 30 is divided into 2 groups such that the size of the smaller group is 2/3 the size of the larger group. How large is
pogonyaev

Answer:

I kinda did a lil of this in my head so i might not be 100% correct, but i would say the bigger group is 20 and the smaller group is 10

6 0
3 years ago
Point R lies on the directed line segment from L (-8,-10) to M (4,-2) and partitions the segment in the ratio 3 to 5. What are t
Dvinal [7]

Answer:

R = (- 3.5, - 7 )

Step-by-step explanation:

Using the Section formula

x_{R} = \frac{3(4)+5(-8)}{3+5} = \frac{12-40}{8} = \frac{-28}{8} = - 3.5

y_{R} = \frac{3(-2)+5(-10)}{3+5} = \frac{-6-50}{8} = \frac{-56}{8} = - 7

Thus coordinates of R = (- 3.5, - 7 )

7 0
3 years ago
Read 2 more answers
A dog’s weight dropped to 62 kg after its weight decreased by 7%. What was the dog’s original weight?
Alinara [238K]

Answer:

original weight= mass/weight

62kg/7

Step-by-step explanation:

8.85 original weight

5 0
1 year ago
Davita can jog 2000 feet in 4 minutes if she jogs at the same rate how many feet can she jog in 8 minutes
slavikrds [6]
The answer is 4,000. if she can run 2,000 feet in 4 minutes, multiply both by two and the answer is 4,000 feet in 8 minutes
7 0
2 years ago
Read 2 more answers
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