Knowing order of operations in mathematics is fundamental. PEMDAS is often used to remember that order. Parentheses, exponents, multiplication/division, addition/subtraction. Although in this case it is pretty straight forward.
22+(32-42)
22+(-10)
22-10
12
Answer:
-5 < t < 2
Step-by-step explanation:
working and graphical illustration shown in picture attached.
To explain, I simplified the two given inequalities by rearrangement and then combined them into one overall inequality.
Answer:
a and e
Step-by-step explanation:
Do the power rule first in the first expression then add the answer on the second expression do 4 squares add 5 then subtract the two numbers
Answer:
7
Step-by-step explanation:
2n + 4n = 6n, adding like terms
6n = 42
6n/6 = 42/6
n = 7