Answer:
468.4 meters
Step-by-step explanation:
Find the width of the rectangle.
The area of a rectangle is A=length*width. Substitute the values of length and area and solve for width.
A=length*width
8,400=140*width
60= width
Use the width of the rectangle to find the circumference of the semicircles. Since each semicircle is half of a circle, the perimeter of the two semicircles is equal to the circumference of one circle.
The circumference of a circle is equal to pid, where d is the diameter. The diameter of the semicircle is the same as the width of the rectangle.
So, the diameter is 60 meters. Substitute the diameter into the formula for the circumference and simplify using 3.14 for pi.
≈188.4
(2 times 140)+ 188.4
So, the perimeter of the track is 468.4 meters.
5 + 4x
I think that’s right
Answer:
The probability that the dogs are blue eyed and deaf is 13.02%.
Step-by-step explanation:
We are given the following information in the question:
P(Blue eyes) = 31%
P(Deaf) = 38%
P(Deaf | Blue eyes) = 42%
Formula for conditional probability:

Now, let A be the event where the dog is deaf and B be the the event where dog is blue eyed.

Hence, the probability that the dogs are blue eyed and deaf is 13.02%.
Answer:
142 its the ans
Step-by-step explanation:
I'm not sure
Answer:
1. Prime numbers are easier to count. (Not a statement)
2.Irrational numbers can be written as fractions. (Statement)
3. Natural numbers can be negative. (Statement)
4. Addition is the simplest mathematical operation. (Not a Statement)
5. Equilateral triangles are quicker to construct than scalene triangles. (Not a statement)
6. The set of real numbers is infinite. (Statement)
i hope it will help you!