Answer:
175 i think please mark brainliest
Step-by-step explanation:
Step-by-step explanation:
y is directly proportional to x^2.
This means that y = kx^2, where k is a real constant.
When x = 7, y = 245:
245 = k(7)^2 = 49k. By division, k = 5.
Now we know that y = 5x^2, when x = 9, y = 5(9)^2 = 5 * 81 = 405.
Answer:
13
Step-by-step explanation:
Hope this is helpful.
Answer:
2.50 x 7= 22.50
22.50+10.00 =33.50
total cost :$33.50
Step-by-step explanation:
