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sertanlavr [38]
3 years ago
5

Simplify using appropriate property: 5/7 X 1/5 + 5/7 X 3/5Simplify using appropriate property:

Mathematics
1 answer:
chubhunter [2.5K]3 years ago
8 0

Answer:

4/7

Step-by-step explanation:

5/7 x (1/5+3/5) = 5/7 x 4/5 = 4/7

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The difference of two numbers is 0.77. If the larger number is increased 5 times, then the difference becomes 77. Find the numbe
Lelu [443]

Let the two numbers are x and y

Let larger number = x

and smaller number = y

it means

x-y = 0.77

Now it says larger number is increased 5 times

So it now becomes 5x

So second equation becomes

5x -y =77

Now we have to solve these two equations

x-y = 0.77 and 5x-y = 77

multiply first equation by -1 and then add both equations

-x+y = -0.77

Now on adding we get

-x+5x +y -y = 77-0.77

4x = 76.23

Divide both sides by 4

x=19.0575

We get the larger number , now subtract 0.77 from this , we will get the smaller number

y=19.0575-0.77=18.2875

y=18.2875


Hence the larger number = 19.0575

Smaller number = 18.2875

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3 years ago
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yKpoI14uk [10]

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Step-by-step explanation:

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Counting in tens the same row as 83 is 90 .

5 0
3 years ago
Y=x(2)-2x-3 find the value of x when y=1​
Volgvan
1 = x(2) - 2x - 3
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No solutions
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