Answer:
78
Step-by-step explanation:
QT is a 180 straight line so 180-55-47
Hope its right!
Answer:
Hope this helped.
Step-by-step explanation:
2:x=2y+20 y=1/2x-10
4:x=4/5y+15/5 y=5/4x-4
6:x=-2y+10 y=-1/2x+5
8:x=-7/3y+100/3 y=-3/7x+100/7
Answer:
3x +6
Step-by-step explanation:
The rectangle representing the product 3(x+2) will have dimensions 3 and (x+2). It can be divided into portions with areas 3·2 = 6, and 3·x = 3x.
An equivalent expression is ...
3x +6
Answer:
the median is 99
Step-by-step explanation:
(lowest) 35, 42, 72, <u>99</u>, 119, 120, 120.5 (highest)
the median is the middle #
the middle # is 99
Answer:
n = all real numbers
Step-by-step explanation:
7n+12=1/2(14n+24)
multiply each side by 2
2(7n+12)=2*1/2(14n+24)
distribute
14n+24 = 14n + 24
subtract 14n from each side
14n-14n+24 = 14n-14n + 24
24=24
this is always true
n = all real numbers