2 answers:
Answer:
31
Step-by-step explanation:
6×23=138 this will be the total ages for the six people
22+21+23+24+17=107 total ages for the five people
138-107=31
31 is the age of the person who entered the room
Answer:
13 years
Step-by-step explanation:
17 + 15 + 23 + 23 + 23 =101 / 5 = 20.2
Mean before was 20.2
In order for the mean to be 19, all those numbers would have to add up 114 to be divided by 6 and have a mean of 19
114 / 6 = 19
114-101 = 13 is that number
17 + 15 + 23 + 23 + 23 + 13 = 114 / 6 = 19
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Answer:
Step-by-step explanation:
8x+2y=16
2y=-8x+16
y=-4x+8
slope is -4
y-intercept is (0,8)
x-intercept is (2,0)
Answer: where is it?
what do u mean??? im confused...
Answer: -11x+15
Step-by-step explanation: distributed property: 2x+2-3x-7-10x+20, -11x+15
It is 4 because 3 times 4 equals 12
Answer:
$27.75
Step-by-step explanation:
Multiply $2.25 by 11 to get the answer
