Answer:
y = (-3/5)x - 7
Step-by-step explanation:
you are given the points (5,-10), (-10,-1)
a slope of (-1+10)/(-10-5) = -9/15 = -3/5 can be determined
using the point (0,-7), we can get y+7=(-3/5)(x - 0)
simplified: y = (-3/5)x - 7
Ratio of boys to girls = 1 : 3
Unknown constant = x
x + 3x = 24
4x = 24
x = 6
No. of girls = 3 x 6 = 18
<em>Chuong2: ƯỚC LƯỢNG THAM SỐ, môn thống kê ứng dụng</em>
Answer:
9 hours
Step-by-step explanation:
0.92 times 9=8.28 meaning 9 additional minutes
now add 1.53 with 8.28 making the total cost 9.81
In conclusion 9 hours.
29 + (-37) = 29 - 37
answer is C. 29 - 37