Answer the question.Draw a semiregular tiling using octagons and squares.
What will be an ideal response?
The side of the square is equal to an edge of the octagon. In row 1, place squares between the octagons. In row 2, place squares directly under octagons and octagons directly under squares. In row 3, repeat row 1.
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A manufacturing process resulted in a batch of 10 K resistors. The mean resistance values was 10 Kê with a standard deviation of 500 ê.
a. What is the normal distribution of the resistance values if the lot size was 20,000 resistors? b. If these were to be 10% tolerance resistors, how many would have to be rejected for not meeting specifications?
Solve the problem.A grasshopper is perched on a reed 6 inches above the ground. It hops off the reed and lands on the ground about 8.3 inches away. During its hop, its height is given by the equation 
, where x is the distance in inches from the base of the reed, and h is in inches. How far was the grasshopper from the base of the reed when it was 4.75 inches above the ground? Round to the nearest tenth.
A. 0.6 in. B. 6.5 in. C. 8.3 in. D. 0.8 in.
Solve the problem.Ron finds 9 books at a bookstore that he would like to buy, but he can afford only 4 of them. In how many ways can he select 4 of the books to buy? How many ways can he make his selection if he decides that one of the books is a must?
A. 126; 56 B. 3024; 336 C. 1512; 168 D. 15,120; 6720
Solve the equation.4
- 8 = -6
A. 
B. 
C. 
D. 