Answer:
1/7
Step-by-step explanation:
When 2 lines are perpendicular the gradient of one is the reciprocal of the other :
If the gradient of A was 2 the gradient of B would be 1/2.
If the gradient of a is 7 the gradient of b would be 1/7 .
Hope this helped and have a good day
Answer:
4
Step-by-step explanation:
3^2=9
-2 times 3 = -6
9-6+1=4
You are doing an experiment in science and you need to add exactly 250 mL to a beaker. But the markings on the container have rubbed off from so much use. But you have a ruler. By figuring out the volume of the cylinder, you can figure out where the 250 mL line is. :)
You are correct! You added the two amounts together. Combined the like terms, 7t +8t=15t and -1+5=4
Answer:
Step-by-step explanation:
Given expression is:
First we will use the rule:
So for the given expression:
We will use tha property of multiplication on powers:
Applying the outer exponent now