39 depending on the prices but 39 is how many he sold
Answer:
75 dogs
Step-by-step explanation:
you divide 30/1 by 2/5. to do that you cross multiply. So 30x5 and 2x1. And get 150/2. Then you simplify.
Hope this helps!(:
Answer:
28-2(4^2*4)
28 - 2 (4*4*4)
28-2(64)
28 -128 = 100
Step-by-step explanation:
28-2(4^2*4)
28 - 2 (4*4*4)
28-2(64)
28 -128 = 100
Answer:
Half of the persentage were large.
Step-by-step explanation:
So if you do 60 divided by 2, which is 30, and 30 of the buttons are large, then half of 60, (30) are large
9x^2 -c =d
add c to each side
9x^2 = c+d
divide by 9
x^2=(c+d)/9
take the square root on each side
x = +- sqrt ((c+d)/9)
simplify
x = +- 1/3 sqrt (c+d)
Answer: 1/3 sqrt (c+d), - 1/3 sqrt (c+d)
