Answer:
63
Step-by-step explanation:
Answer:
1/2 ^w : decay factor after w weeks
hope this helps
Step-by-step explanation:
Answer:
80 gal
Step-by-step explanation:
20 gal takes her 400 mi
Vol. of gas = 1600 ×20/400
Vol. of gas = 1600 ×1/20
Vol. of gas = 80 gal
Betty will use 80 gal of gas.
Answer:
3.25
Step-by-step explanation:
Perimeter of triangle = 3(5) = 15 cm
Perimeter of rectangle = 2(2x - 3 + 4)
Perimeter = 2(2x + 1)
Perimeter = 4x + 2
4x + 2 = 15
4x = 15 - 2
4x = 13
x = 13/4
x = 3.25
So first you’d add the numbers together 31+36+18=85 boys
Then
34+44+26=104 girls
Then add 85+104=189 in total
Then divide 189/104=.055 so C