Answer:
R={-1, -11, 7}
Step-by-step explanation:
-2(2)^2+7=
-2(4)+7=
-8+7=
-1
-2(-3)^2+7=
-2(9)+7=
-18+7=
-11
-2(0)^2+7=
-2(0)+7=
0+7=
7
Answer: 230cm²
Step-by-step explanation:
>We can do this by splitting the figure into 2 trapeziums.
>Additionally, you can see that both trapeziums bear the same lengths a and b. Hence, we can use this formula:
.
>Thus,
Area = 
Answer:
45
Step-by-step explanation:
45 is the answer for the question
Answer: Slope is m = 2/3
Step-by-step explanation:
-You have exactly four points on a table:

-Use the slope formula and use any two points from those four points in order to find the slope:

-The two points I use are
and
for the equation:


So, the slope of the table is
.