Answer:
Step-by-step explanation:
fog(x)=f(g(x))
so it comes
<u>so C is the correct answer</u>
To solve an equation for one variable, we will utilize PEMDAS ( parentheses, exponents, multiplication/division, add/subtract) but backwards. So we will first add/subtract any numbers to the other side to get the variable by itself. We will then divide/multiply any numbers to get the variable by itself.
Answer:
500 plants
Step-by-step explanation:
Total capacity of barrel = 150 L
1 liter = 1000 mL
Total capacity of barrel in mL = 150*1000 mL = 150,000 mL
amount of water given to each plant by Mattie = 300 mL
Let there be x plants
Then, total amount of water given to x plant by Mattie = 300*x mL
We know that full rain barrel has 150,000 mL
so total amount of water given to x plant by Mattie should be equal to full rain barrel capacity.
Substituting value of full rain barrel capacity and total amount of water given to x plant
Mathematically it can be written as
total amount of water given to x plant by Mattie = full rain barrel capacity
300*x mL = 150,000 mL
=> x = 150,000/300 = 500
Thus, 500 plants can she water with a full rain barrel.
Blankets:$32
Towels:$16
You set it up as a system of equations.
I made the blankets x and the towels y.
You get 2 equations:
21x+21y=1008
21x+ 23y= 1040
I solved the system by solving the second equation for 21 x
21x= 1040-23y
And plugged it into the first equation
1040-23y+21y=1008
Y= 16
Then I plugged 16 in for y:
21x+23(16)=1040
X=32
