6400 = 2*2*2*2*2*2*2*2*5*5 = 2^8 * 5^2
Square root of 2^8 = 2^4 and square root of 5^2 = 5
So the answer is 2^4 * 5
= 16 * 5
= 80
Answer:
-1/2
Step-by-step explanation:
rise and run
Answer:
y=37x-------------1
y=64.75x----------2
Step-by-step explanation:
Given data
the charge for 4 hours = $37
the charge for 7 hours= $64.75
let the amount he charges be y
and let the number of hours be x
The expression for the Total charges is given as
y=37x-------------1
y=64.75x----------2
Answer:
It has more than one equal sign but set up like this:
Step-by-step explanation:
Let's solve for x.
y+x−1+
3
2
=−y
Step 1: Add -y to both sides.
x+y+
1
2
+−y=−y+−y
x+
1
2
=−2y
Step 2: Add (-1)/2 to both sides.
x+
1
2
+
−1
2
=−2y+
−1
2
x=−2y+
−1
2
Answer:
x=−2y+
-1/2
