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Llana [10]
3 years ago
6

Thomas has constant speeds for both running and walking. When a down-escalator is moving, Thomas can run down it in

Mathematics
1 answer:
irakobra [83]3 years ago
3 0

Answer:

40 seconds

Step-by-step explanation:

Ratio of 15:30 = 1:2

             20:x

x = 20 x 2 using ratio, also stop putting these Maths challenge qs on website.

x = 40 :)

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How do you find a square root of a decimal?
vova2212 [387]

Step-by-step explanation:

You have to take the decimals to whole number my multiplying it in tens, and then divided by the number of multiples you multiplied it by, also in tens.

After these, take. the square root of the resulting fraction

8 0
2 years ago
How does the graph of f(x) = (x − 9)4 − 3 compare to the parent function g(x) = x4?
Paraphin [41]

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The graph is shifted right by 9 units and down by 3 units

Step-by-step explanation:

8 0
3 years ago
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What is the value of y:35x+120y=500
Vladimir79 [104]
To get y you can move the x's to one side, so 120y=500-35x
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:)
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3 years ago
• Its ones digit is one more than its tens digit.
lesya [120]

Answer:

is it 32

Step-by-step explanation:

6 0
3 years ago
Jones covered a distance of 50 miles on his first trip. On a later trip he traveled 300 miles while going three times as fast. H
Sergeeva-Olga [200]

Answer:

The answer is b. But you asked for the thought process so...

Step-by-step explanation:

Let speed of the 1st trip x miles / hr. and speed of the 2nd trip 3x / hr.

We know that

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Or, Time = Distance/Speed.

So, the time taken to cover a distance of 50 miles on his first trip = 50/x hr.

And the time taken to cover a distance of 300 miles on his later trip = 300/3x hr.

= 100/x hr.

So we can clearly see that his new time compared with the old time was: twice as much.

Have a great day :)

4 0
3 years ago
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