Answer:
(3x+4y-2z=-1)= x=-1/3-4/3y+2/3z
(-x+6y=2z)= x=-7+6y=2z
(4x-2y+3z=27)= x=27/4+1/2-3/4z
Step-by-step explanation:
Answer:
b
Step-by-step explanation:
The sum of angles in a triangle is 180°. Therefore,
x - 11 + 48 + 90 = 180
x + 127 = 180
x = 53°
Answer:
Jenny will receive $12.51 in change.
Step-by-step explanation:
We need to find the total cost first.
19.99 + 7.50 = 27.49
We then subtract that from the 40 dollars she gave to get the amount of change she receives.
40.00 - 27.49 = 12.51.
She will receive $12.51 in change.
hope this helped!
THIS IS A PROPORTION QUESTION.
45 x CROSS MULTIPLY.
__ = ____
6 26
45*26=1170
6*x=6x
1170=6x DIVIDE 6 ON BOTH SIDES
_________
195=x
THE OFFICIAL ANSWER IS 195 OUNCES OF LEMONADE WOULD BE NEEDED TO SERVE 26 PEOPLE. HOPE THIS HELPS!!!!!!!!!! :)
Answer:
1 ,2,4,5,10,-1,-2,-4,-5,-10,20
