Answer:
a) 16
b) -8
c) 2
Step-by-step explanation:
Given:
p = 2
q = -3
r = -1
a)
5p - 2q
Substitute variables.
5(2) - 2(-3)
Multiply.
10 + 6
Add.
16
b)
pq + pr
Substitute variables.
(2)(-3) + (2)(-1)
Multiply.
-6 - 2
Subtract.
-8
c)
pr²
Substitute variables.
(2)(-1)²
Square -1.
(2)(1)
Multiply.
2
Answer:
C. 195ft²
Step-by-step explanation:
First find the area of the semi-circle:
A = πr²
The radius is 5 (half the diameter)
Plug in the numbers using 3.14 for pi:
A = 3.14(5)²
A = 78.5
Halve the area so you get the area of half a circle:
78.5/2 = 39.25
Now find the area of a trapezoid:
Plug in the numbers:
A = 10+16/2*12
A = 156
Lastly, add the area of the semi-circle and trapezoid together:
39.25+156 = 195.25ft²
Answer:
I would say C
Step-by-step explanation:
Answer:
its -3
Step-by-step explanation:
Answer: 22.2
Step-by-step explanation: You have to add 97, 3, 0, 4, 7 and then then divide the total by how many numbers you added. So for this you would divide the total by 5