Answer:
x = 21
Step-by-step explanation:
the angles 5x - 35 and 3x + 7 are vertical angles and congruent, thus
5x - 35 = 3x + 7 ( subtract 3x from both sides )
2x - 35 = 7 ( add 35 to both sides )
2x = 42 ( divide both sides by 2 )
x = 21
What are the mean, median, mode and range of the following data set?9, 3, 4, 4, 4, 3, 2, 2, 20, 20?
Inessa05 [86]
Answer:
mean: 7.1
mode: 4
median: 4
range: 18
Step-by-step explanation:
500-20x>or equal to 220
Subtract -500 from both sides because it is the inverse of 500
Then 220 minus 500 equals-280 then divide -20 on both sides -280 divided by -20 equals 14
Answer is X is Flip the sign because you divided by a negative
