Number of combinations possible = 4! / 2! 2! = 6
Each of these has probability 1/2*1/2*1/2*1/2 = 1/16
Required probability = 6 * 1/16 = 3/8
Answer:
Bro this some alien hyroglyphics
Step-by-step explanation:
Answer:
Hiroshi's error was not having changed the sign of the number 37 by removing the parentheses and placing -37 instead of +37.
Step-by-step explanation:
we have
Hiroshi's work

Remember that
a negative number is just a positive number multiplied by -1
and (-1)(-1)=+1
so
Correct work





therefore
Hiroshi's error was not having changed the sign of the number 37 by removing the parentheses and placing -37 instead of +37.
Answer:
40+20=72-12
60=60
Step-by-step explanation:
4*10+4*5=6*12-6*2
40+20=72-12
60+60
Answer:
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Step-by-step explanation: