Answer:
z=12
Step-by-step explanation:
divide by 1/2 to get the variable z by itself
Answer:
sqrt(20)
Step-by-step explanation:
The two perpendicular side lengths are equal, so using Pythagoras theorem:
x = sqrt( sqrt(10)^2 + sqrt(10)^2 )
x = sqrt(10 + 10)
x = sqrt(20)
Answer: 2240
Step-by-step explanation: Hope it helps
Divide the number of fast balls by the total number of pitches:
240 / 384 = 0.625
Answer:

Step-by-step explanation:
Let the number be x;
The product of 4 and the number will be;

The the square of the number is given as;

Taking the difference of both expressions above;

Factor out the common term:

Hence the difference between the product of 4 and a number and the square of the number is 