2 years ago

Give four rational numbers equivalent to : a) 2/7 b) 3/5

Mathematics

1 answer:

serg [7]2 years ago

6 0

Answer:

Step-by-step explanation:

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AURORKA [14]

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$(4)\\xy=-12\\\\e.g.:\ \ \ x=3\ \ and\ \ y=-4\ \ \ \ or\ \ \ \ x=-3\ \ and\ \ y=4\ \ \Rightarrow\ \ Ans.\ A.\\\\(5)\\V\cdot T=a\ \ \ and\ \ \ 18\cdot 3=a\\\\ \ \ \Rightarrow\ \ \ a=54\ \ \ \Rightarrow\ \ \ V\cdot T=54\ \ \ \Rightarrow\ \ \ V= \frac{54}{T} \ \ \ \Rightarrow\ \ \ Ans.\ C.$

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2 years ago

16 of 20% explain it plz

Kryger [21]

Answer:

Step-by-step explanation:

16:20*100 =

(16*100):20 =

1600:20 = 80

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2 years ago

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Jonathan has 8 stamps.some are 3 cent stamps and some are 5 cent stamps.if the total value of the stamps is 36 cents. How many o

tatiyna

Let x= number of 3 cent stamps
let y=number of 5 cent stamps
x+y=8
3x+5y=36

3x+5y=36 3x-5y=36
-3(x+y=8) . -3y-3y=-24
2y=12
y=6

x+6=8
-6 . -6
x=2

There will be 2 3 cent stamps and 6 5 cent stamps

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2 years ago

Give four rational numbers equivalent to : a) 2/7 b) 3/5​

Give four rational numbers equivalent to : a) 2/7 b) 3/5