Answer:
40°
Step-by-step explanation:
180-(57+43)=100°
which mean the angle at the top =100°
180-100=80°
x=80/2
x=40
Answer:
x = 5.4
Step-by-step explanation:
Multiply 7.2 by 3/4 to find the equivalent ratio.
It'll be 4/5 + x/5.
Switch the x to a y so:
x=5y-4
Add 4 to both sides
x+4=5y
Divide by 5 to get y by itself
(x+4)/5=y
Answer:
B. No because the sample is not representative of the population.
Step-by-step explanation:
If in the exact population, there is more females than males, then that sould also be represented in the sample population for it to be accurate.
