Answer:
2 dimes, 1 nickel and 3 quarters.
Step-by-step explanation:
The price of 2 postcards is $1. Any combination of coins that adds to $1 will work here. Remember, a penny is worth 0.01, a nickel is worth 0.05, a dime is worth 0.10, and a quarter is worth 0.25.
Adding 2 dimes, 1 nickel, and 3 quarters would be 2(0.10)+1(0.05)+3(0.25)=1.
2 1/3. 3 inches by 2 1/3 inches is 7. A 3rd of that is 2 1/3 or 2.3333333333
It would just be the square root of 10y
so 10y under a radical. Assuming the y is to the power of 1/2
Hello from MrBillDoesMath!
Answer:
f(x) = 8 * 3^x
Discussion:
x = 0: f(x) = 8
x = 1: f(1) = f(0) * 3 = 8*3
x = 2: f(2) = f(2-1)*3 = f(1) * 3 = (8*3)*3 = 8 * 3^2
x=3 : f(3) = f(3-1)*3 = f(2)*3 = (8 * 3^2) * 3 = 8 * 3^3
Based on this we guess that
f(x) = 8 * 3^x
Thank you,
MrB
Answer:
x = 2
y = 2
Step-by-step explanation:
Given that:
y=7x- 12 -------- eq1
-3x+4y=2 ------ eq2
eq1 can be written as:
7x - y = 12
Multiplying this equation by 4 we get:
28x - 4y = 48 --------- eq3
Adding eq2 and eq3 we get:
28x - 3x = 48+ 2
25x = 50
x = 2
Now put this equation in eq1
y = 7(2) - 12
y = 14 - 12
y = 2
i hope it will help you!
