Answer:
D
Step-by-step explanation:
The inverse property states that any number multiplied by its reciprocal equals 1.
Area of a circle = pir^2
The radius is half the diameter so is 2 metres
So r^2 is 4
So the answer is 4pi or 12.57 metres squared
Let me know if you have any questions
Answer:
Volume of a prism =BH
(length ×width)×height
(10×20)×60
=12000cm3
Step-by-step explanation:
Answer:
The value of y is 36, and the value of z is 54.
Step-by-step explanation:
y has to be a number that can sit at 2y and then add itself to itself and become 3y.
40 is too high, and 35 is too low. Level it out, and you get 36.
Answer:
a) 0.705
b) 0.976
c) 0.01
d) 0.09
Step-by-step explanation:
We have to find the area under the standard normal curve.
a) area under the standard normal curve that lies outside the interval between z= −1.98 and z=0.61.
b) area under the standard normal curve to the left of z=1.98
c) area under the standard normal curve to the right of z= 2.34
d) area under the standard normal curve that lies between z= −0.94 and z= −0.63
