Answer:
D. (-7)
Step-by-step explanation:
3(2 + f) = (-15)
(3 . 2) + (3 . f) = (-15)
6 + 3f = (-15)
3f = (-15) - 6
3f = (-21)
f = (-21)/3
f = (-7)
Answer:
x=4
y=1
Step-by-step explanation:
4x=7y+9
4x+y=17
7y+9+y=17
8y=17-9
8y=8
y=1
so
4x=7*1+9
4x=16
x=16/4
x=4
Answer:
Step-by-step explanation:
- A. 134 is the mode, correct, repeated 5 times
- B. 111 is appears 3 times, incorrect , this number is not part of data set
- C. There are more data values between 130 and 139, correct, there are 8 of them
- D. There are 20 data values, incorrect , there are 23
Answer:
x = 12
Step-by-step explanation:
12x = 146 - 2
x = 144 ÷ 12
x = 12
