Answer:
x = 3
Step-by-step explanation:
- Subtract 15 from each side, so it now looks like this: 21 = 7x
- Divide each side by 7 to cancel out the 7 next to x. It should now look like this: 3 = x
I hope this helps!
Answer:
A
Step-by-step explanation:
+7 means go up
if the graph was 7x, the graph enlarges by a factor of 7
A relation<span> from a set X to a set Y is called a </span>function<span> if each element of X is related to exactly one element in Y
</span>
Answer:
Step-by-step explanation:
(i) y = 3x
m = 3
Slope of the line perpendicular to line (y = 3x) = -1/m = -1/3
Equation of the line through origin : y = mx

(ii) Form of the equation of all lines which are perpendicular to y = 3x is

c is y-intercept
<span>Hans accidentally multiplies incorrectly during his data analysis. hans has committed HUMAN ERROR. This type of error occurs when a person does something that he did not intend to happen which affects the accuracy and the precision of the acquired data or results.</span>