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Nadya [2.5K]
3 years ago
7

2/3-1/2=4/?-?/6 find the missing values

Mathematics
1 answer:
nydimaria [60]3 years ago
3 0

\frac{2}{3} -\frac{1}{2} = \frac{4}{y} -\frac{x}{6}


So, we need to convert the fractions into equivent ones.


So, in order to get the numerator of the first fraction to match the numerator of the second fraction, we must mutltiply it by 2/2


\frac{2}{3}\times\frac{2}{2}=\frac{4}{6}


Your first answer is 6.


Then, in order to get the denominator of second fraction to match the other side, you must multiply by 3/3


\frac{1}{2}\times\frac{3}{3} =\frac{3}{6}


Your second answer is 3

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What is the sum of the following equatiioin? 10x+20y+5x=?
Vsevolod [243]

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15x + 20y

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The larger of two numbers is four times the smaller number, and their difference is 18. Find the two numbers.
podryga [215]

Answer:

x = 12 , y = 10

Step-by-step explanation:

Let x , y are two numbers.

x > y

1 ) Three times the greater is 18 times their

difference

3x = 18( x - y )

x = 6( x - y )

x = 6x - 6y

6y = 5x

y = 5x/6 ——-( 1 )

2 ) 4 times the smaller is 4 less than twice

the sum of the two

4y + 4 = 2 ( x + y )

2y + 2 = x + y

y = x -2 ——( 2 )

From ( 1 ) and ( 2 ) ,

5x/6 = x -2

( 5x /6 ) - x = -2

( 5x - 6x ) /6 = -2

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7 0
3 years ago
LAST QUESTION ON MY TOPIC!!! PLEASE
nataly862011 [7]

Givens

<em><u>Slower car</u></em>

r = r

t = 12 hours

d = ?

<em><u>Faster car</u></em>

r = r + 20

t = 8 hours

d = ?

It doesn't matter what the exact distance is. You just have to know that the 2 distances are equal ie going to the mountains from his home is the same distance as going from the mountains to his home.

d = r * t

r * 12 hours = (r + 20)* 8 hours.   Remove the brackets on the right

r*12 = 8r + 20*8

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=================

Slower Ride determines the distance.

d = r*t

d = 40 * 12

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Check

Use the faster rate (r + 20) = 40 + 20 = 60 mph

60 * 8 = 480. Both distances work out to be the same.

5 0
3 years ago
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