Answer:
-6 √(2) = -8.48528137424
Step-by-step explanation:
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Answer:
-45.4545454545 *45 repeating*
Step-by-step explanation:
Answer:
z = 4
Step-by-step explanation:
12z - 18 = 30
add 18 to both sides:
12z = 48
divide by 12:
z = 4
Answer:
Step-by-step explanation:
<u>Number of pupils can play either instrument:</u>
<u>Number of those can play both:</u>
Answer:
shirt= $8
cap=$3
Step-by-step explanation:
rearrange one of the equations
y=11-x
then plug into the other equation
2x+3(11-x)=25
solve
2x+33-3x=25
-x+33=25
subtract 33 from both sides
-x=-8
divide by -1
x=8
the put that answer into original equation
8+y=11
subtract 8 from both sides
y=3