trillsmith
30.04.2021 •
Mathematics
the sum of two numbers is 30 the difference between three times the first number and twice the second is 60
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Ответ:
Answer
Let the first no. be 2x
second no. =x
third no. =2x/3
A/Q
2x+x+2x/3=132
11x/3=132
x=36.
Hence the second no. is 36
Ответ:
let the first number be x
then second number=30-x
3x-2(30-x)=60
3x-60+2x=60
x=60+60
x=120
Ответ:
0.23(–1.1)
–5.09(8.1)
The reason is because a negative * positive will always give a negative answer. Negative * negative and positive * positive will always have a positive answer.