derivation of formulas, algebra homework help

I need help answering questions 1-10 put the answers in another spread sheet with showing work..

Homework # 1
ABT 91. Irrigation Practices and Materials
1/20/2017
Name:
Trentes
Show your work and units *************
**
*************
************* Circle your answer
*** Use your conversion sheet
1) Area: Convert 60,000 sq-ft to acres
lacre = 43,560 bquare feet
lache x 43,56059 A =
= 143,560
lagd
(4.366 10″
Sq. f
2) Volume: Convert 1,000 gallons to cu-ft
I curft-7.471gl
leught= 1,0oogle 1ooogl=1133 68 cu.ft
leyft
7.48gl
3) Flow Rate: Convert 2.5 CFS to GPM
Icts=448 8gim
lets
= 448.89pm
2.5
: 179.529PM
12″
500
4) Calculate the area in acres of a 200′ x 500′ field
lace=43,560 sq-ft 500x 2000 = 100,00 oft2
500′ width
Lenghth=2000
= 8,333.33ft2x lacre 50.191 Bachel
A=WXL
43,560ft
2001
5) Volume: 80 acres of grapes requires 30 inches of irrigation per year.
Calculate the total amount of water (AF) required by the crop.
leu-ft=7.48181
Af= 3 25,850gl
6) Citrus trees spaced 20 x 20 feet are drip irrigated with 0.04 gpm. What is
the application rate (in/day)?
ARC
1
7) 5 GPM sprinklers on a 30 x 40 foot spacing. How many inches will be
deliver in 10 hours?
8) The goal is to apply an average of 4 inches to a 10 acres field in 7 hours.
What is the flow rate (GPM) of the pumping plant?
9) The goal is to apply an average of 1 inches using the drip irrigation system
to a 2 acres field in 1 hours. What is the flow rate (GPM) of the pumping
10) What will be the pressure (psi) at the bottom of a tank 10 feet in height
full of water?
2