Answer:
square inches per seconds.
Step-by-step explanation:
given that a rectangle is growing such that the length of a rectangle is 5t+4 and its height is √t, where t is time in seconds and the dimensions are in inches
Area of rectangle = length * width
A = 
To find rate of change of A with respect to t, we can find derivative of A with respect to t.
WE get
Hence rate of change of area with respect to time is
square inches per seconds.
Answer:
7.24 * 10^-5
Step-by-step explanation:
Answer:
3c+2(2c+5)=3 c=-1
d-15.6=2d-556.3 d=540.7
9b-10=2(3b+4) b =6
Step-by-step explanation:
Answer:
The probability that the average length of rods in a randomly selected bundle of steel rods is greater than 259 cm is 0.65173.
Step-by-step explanation:
Step-by-step explanation:
We are given that a company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 259.2 cm and a standard deviation of 2.1 cm. For shipment, 17 steel rods are bundled together.
Let = the average length of rods in a randomly selected bundle of steel rods
The z-score probability distribution for the sample mean is given by;
Z = ~ N(0,1)
where, = population mean length of rods = 259.2 cm
= standard deviaton = 2.1 cm
n = sample of steel rods = 17
Now, the probability that the average length of rods in a randomly selected bundle of steel rods is greater than 259 cm is given by = P( > 259 cm)
P( > 259 cm) = P( > ) = P(Z > -0.39) = P(Z < 0.39)
= 0.65173
The above probability is calculated by looking at the value of x = 0.39 in the z table which has an area of 0.65173.
In the first 10 seconds it is 200m
In the next 10 seconds (it is decelerating 2m/s every second) it is 100m
200m+100m=300m
300 meters is the answer
