Answer:
Bb-2=4
Step-by-step explanation:
b+4=8:is incorrect 2+4=6
2b-3=0 is incorrect 2(2)-3=1
25+24=30 also incorrect
Bb -2=4 is corrext since B(2)-2=4 is same as 2B-2=4:which is the correct equation
Answer:
C. Favorite baby name is a qualitative variable. Its values are not numerical.
Color of car is a qualitative variable. Its values are not numerical.
Storage space on a computer drive is a quantitative variable. Its values are numerical.
Electrical current is a quantitative variable. Its values are numerical.
Step-by-step explanation:
A qualitative variable is a variable that is categorical and isn't numerical.
For example, your favourite baby names and colours are categorical, they cannot be measured on a numerical scale
Quantitative Variable are variables that can be measured on a numeric scale. Ordinal, interval and ratio scales are quantitative scales.
Storage space can be measured on a numeric scale e.g. the storage space has 400 GB
Electric current can be measured on a numeric scale e.g. eclectic current is 50 volts
Answer:
251.428
Step-by-step explanation:
22/7*4^2*5
1760/7
251.428
Answer:
A. 8 students
B. Because 24% of 24 is 5.76
Step-by-step explanation:
A: The ratio of students is 2:5, that means for every 7 students from her class, 2 of them are in the show.
28/7 is 4, so there are 2(4) = 8 students in the talent show.
B: 24(24%) = 24(0.24) = 5.76. The question says 'exactly' 24%. We can't have 0.76 of a person, so we can't have 'exactly' 24%