Answer:
x = 10
Step-by-step explanation:
If S is between R and T, then RS + ST will be equal to RT.
See image.
Use this idea to write an equation.
2x + 3 + 4x = 63
Combine like terms, Subtract 3, Divide by 6, to solve for x. See image.
Answer:
81
Step-by-step explanation:
Median is the middle number of a given group of numbers when arranged from highest to lowest or from lowest to highest .
The group of numbers given are arranged from lowest to highest. The middle number in the group is 81
We will represent the length of the rectangle as
and the width as
.
From this problem, we can say
. We can also deduct an equation from the second sentence:

(from substitution)



Using this value for
, we can find
:


The length of the rectangle is 23 cm and the width of the rectangle is 18 cm.
Answer:
3
Step-by-step explanation:
To find the average rate of change
f(0) - f(-2)
-----------------
0 - -2
Taking the values for f(0) = 6 and f(-2) =0
6 - 0
---------
0+2
6/2
3
Answer:
What's the problem
Step-by-step explanation:
20 characters