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LenaWriter [7]
3 years ago
12

Please help 7th ac math

Mathematics
1 answer:
UNO [17]3 years ago
5 0

Answer:

1/2x

Step-by-step explanation:

\frac{\frac{1}{4}+x *\frac{2}{1} }{\frac{1}{2}\frac{2}{1}  }  =\frac{2}{4} +  2x= \frac{1}{2} + 2x

To solve this type of fraction you need to times the inverse of the bottom fractal, both over and under. In this case the inverse of 1/2 is 2/1

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Now see if you can solve these word problems about time and distance.
ladessa [460]

Answer:

3.5 hours

Step-by-step explanation:

Ediburgh -------------------------------350 miles-------------------------London

Let the distance traveled by train from Edin to London be "x"

hence the distance traveled by train from London to Edin would be "350-x"

  • The rate of Edin to London train is 60
  • The rate of London to Edin train is 40

Let the time they meet be"t"

Now, we know distance formula to be D = RT

Where

D is distance

R is rate

and

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<u>Train from Edin to London:</u>

x = 60t

<u>Train from London to Edin:</u>

350-x = 40t

Solving for x:

350 - 40t = x

We put this into first equation:

x = 60t

350 - 40t = 60t

350 = 100t

t = 350/100

t = 3.5

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3 years ago
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maks197457 [2]
The answer is A because it starts at the origin
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s2008m [1.1K]

Answer:

The answer is B 5.4 units

Step-by-step explanation:

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2 years ago
What is 4725 devided by 30
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