Answer:
πr^2 + L×W
Step-by-step explanation:
we have to find the two areas then we add to get the total area.
<span>Answer: - (1/2)x + 2
Solution:
1) Table
</span>
<span><span>
</span><span><span>
x
y
</span>
<span>
-2
3
</span>
<span>
0
2
</span>
<span>
4
0
</span>
<span>
6
-1
The first thing that you must probe is whether the relation is linear.
When the relation is linear the rate of change is constant.
The rate of change is Δy / Δx
2) Let's calculate that rate for all the points given:
</span></span></span><span><span>
x
y
</span>
-2
3
<span>
0
2
</span>
<span>
---> Δx = 0 -(-2) = 2, Δy = 2 - 3 = - 1 => Δy / Δx = - 1/2
4
0
---> Δx = 4 - 0 =4, Δy = 0 - 2 = -2 => Δy / Δx = -2/4 = - 1/2
</span>
<span>
6
-1</span></span> ---> Δx = 6 - 4 = 2, Δy = - 1 - 0 = -1 => Δy / Δx = - 1/2
<span> </span>
So, we have shown that the relation is linear.
3) Now, you can use the equation of the line: y = mx + b, where m is the slope (rate of change Δy / Δx) and b is the y-intercept.
We already found m = -1/2
The y-intercept is the value of y when x = 0, which you can get from the table; b = 2.
Therefore the equation is: y = (-1/2)x + 2.
A trampoline park or an arcade
To find an average you add the data values and divide by how many value you have. Since we don't know the one cubs weight we'll use a variable. Set up an equation to find average using x as the weight that is unknown.
Now solve.
(294 + 268 + x )/3 = 288
Multiply both sides by 3 to clear the fraction.
(294 + 268 + x) = 864
Add the left side.
562 + x = 864
Subtract 563 from both sides
x = 302
Answer:
Step-by-step explanation:
take lcm of (2x-1)(x+2)
lcm=(2x-1)(x+2)
=2(x+2)-1(2x-1)/(2x-1)(x+2)
=(2x+4)-(2x-1)/(2x(x+2)-1(x+2)
=2x+4-2x+1/2x^2+4x-x+2
=4+1/2x^2+3x+3
=5/2x^2+3x+3