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3 years ago

12

What are some good studying methods? I have an exam in a week and I don't even know what my teacher taught me.. How do I teach m

yself and memorize 9 topics in a week?

1 answer:

Nikitich [7]3 years ago

7 0

Answer:

lol i would listen to music or do/stay somewhere comfortable it helps me

Step-by-step explanation:

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Explanation how solve step by step 2/7m-1/7=3/14

Drupady [299]

Answer:

m = 25/28

Step-by-step explanation:

It's best to enclose fractional coefficients inside parentheses to eliminate ambiquity: 2/7m-1/7=3/14 => (2/7(m - (1/7) = (3/14).

The LCD is 14; each of the denominators {7, 14} divides evenly into 14. Hence our equation becomes

(4)(m - 1/7) = 3

... after multiplying every term by 14.

Let's multiply each side by 7 to eliminate the remaining fraction:

4(7m - 1) = 21, or

28m - 4 = 21, or

28m = 25.

Hence, m = 25/28.

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Archy [21]

Answer:

324

Step-by-step explanation:

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The speed of boat in still water is 15km/hr if needs 4 more his to travel 63 km against the current of a river than it needs to

hram777 [196]

Answer:

$\frac{63}{15 - c} - \frac{63}{15 + c} = 4$

Step-by-step explanation:

The systems of equations are

Let us assume the rate of the current be c

Now actual speed against the current is (15 - c)

And, the actual speed with the current is (15 + c)

Here we applied the time formula i.e. distance by speed

Also the upstream time - downstream time = 4

Now the equations are

$\frac{63}{15 - c} - \frac{63}{15 + c} = 4$

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2 years ago

1. Water is filling a bathtub at a rate of 7 gallons per minute. Complete the table of equivalent

ASHA 777 [7]

Answer:

amount of water: 7, 14, 21, 28, 35

time : 1,2,3,4,5

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