Answer:
502,503
Step-by-step explanation:
Using Summation formula for 1 and 1 to N number

Answer:
4.44 is your answer
Step-by-step explanation:
Isolate the x. Multiply -4 to both sides
(x/-4)(-4) = (-1.11)(-4)
x = (-1.11)(-4)
Multiply
x = 4.44
4.44 is your answer
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Step-by-step explanation:

2.5-4.6+11
-2.1+11
8.9
1)division
2)addition because it cames before
3)subtraction
A polygon with 3 sides is a triangle!
Answer:



Step-by-step explanation:
Let
x ----> the number of first class seats
y ----> the number of economy class seats
we know that
An aircraft has a maximum of 30 first class seats
so

An aircraft has a maximum of 220 economy seats

A flight will be cancelled if the money taken for the seats is less than $28,800.
so

therefore
Three inequalities that represent the situation are


