2(4z-3-21)=166-46
Combine like terms
2(4z-24)= 120
Distribute
8z-48= 120
Add 48 to both sides
8z= 168
Divide both sides by 8
z=21
Final answer: z=21
None of those choices is correct, because a bare naked fraction without units is not a satisfactory answer. Keeping the units makes this question easy to answer, and the answer needs units.
The question is asking for a unit rate. That always means DIVIDE.
(18 pizzas) / (12 families)
= ( 18/12 ) (pizza/family) = 1.5 pizza/family .
There is no picture attached to the question to find the lengths?
Answer:
a^3b^2
Step-by-step explanation:
Recall that the first law of indices states that
a^x * a^y = a^(x+y)
Hence the expression (a.a.a)(b.b)
= a^(1+1+1) * b^(1+1)
= a^3b^2
This is the product of a raised to the power of 3 and b raised to the power of 2
Cos20=opp/hyp
cos20=19/x
x=19/cos20
