Seventy-six and nine tenths. (Formal)
Or
Seventy-six point nine (informal)
Answer:
Step-by-step explanation:
Answer: 90 textbooks
Step-by-step explanation:
everytime you multiply the number of students you multiply the books by the same number. to find how many times 72 was multiplied you divide it by 12.
72 ÷ 12 = 6
then multiply the original number of books (15) by 6.
15 * 6 = 90
so for every 72 students the school orders 90 textbooks
<h3>
Answer: Choice C</h3>
cos(a - b) = cos(a)cos(b) + sin(a)sin(b)
In this case, we'd have a = 180 and b = q, so,
cos(a-b) = cos(a)cos(b) + sin(a)sin(b)
cos(180 - q) = cos(180)cos(q) + sin(180)sin(q)
cos(180 - q) = -1*cos(q) + 0*sin(q)
cos(180 - q) = -cos(q) + 0
cos(180 - q) = -cos(q)
Answer:
6 cms.
Step-by-step explanation:
Volume of the pyramid = 1/3 * area of base * height
= 1/3 * 3*3 * h = 18
1/3 * 9 * h = 18
3h = 18
h = 6 cm
