Answer:
triangle ABC is "not" a right-angled triangle
Step-by-step explanation:
AB=8cm
BC=5cm
perimeter = 22cm
CA = 22 - 8 - 5 = 9
8² + 5² = 89
9² = 81
AB² + BC² ≠ CA²
A. 1 because a to b is 5 miles and b to c is 4 miles so it couldn't be 1 mile
Answer:
7 and one-half feet squared
Step-by-step explanation:
3 x 2.5 = 7.5
Answer: you multiply the 2 numbers and divide it by half then your answer is the easy way to do it.
Step-by-step explanation:
Hello!
To do this we need to combine like terms, meaning combine the terms that have the same variables.
b is one variable that can be combined:
-2b - 6 + 3b - 2
b - 6 - 2
Now, combine the digits:
b - 8
Hope this helped!
