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ra1l [238]
3 years ago
7

Can someone help with these​

Mathematics
1 answer:
PilotLPTM [1.2K]3 years ago
8 0

Answer:

Step-by-step explanation:

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Smith's age is 8 and his mother is 42.in how many years will the mother be three times as his son​
frozen [14]
Let’s make an equation
Let’s say x = amount of years after
Smith = 8, mother = 42
3(8 + x) = 42 + x
24 + 3x = 42 + x
2x = 18, x = 9
Solution: after 9 years
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580

Step-by-step explanation:

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In a purse there are 30 coins, twenty one-rupee and remaining 50-paise coins. Eleven coins are picked simultaneously at random a
Masteriza [31]
The solution to the answer is as follows:


<span>0votes</span><span>answered <span>Aug 8, 2015 </span><span><span>by </span>Shashi Kumar Evangelist <span>(3,082<span> points)</span></span></span></span><span>total coins 30
1 rupee coins 20
50 paise coins 10

1 rupee coin probability 20C11
11 coin are picked 30C11
<span>ans should be = 20C11/30C11 = 2/3</span></span>
I hope my answer has come to your help. God bless and have a nice day ahead!
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Area of composite shapes!!
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