This pattern is made from black dots. Pattern 1 Pattern 2
Pattern 3
Pattern 4
Razi thinks the expression for the nth term for the sequence of the number of black dots is 4n +2.
Odili thinks it is on
Min thinks it is 3n+3
Dakarai thinks it is 2n+4.
Who is correct?
Explain how you worked out your answer.

associative property of multiplication

the inequality is:

250c+180g≥950

step-by-step explanation:

let c denotes the number of days in a week   miyoko worked as a cryptographer.

and g denotes the number of days in a week she works as a geologist.

now we are given that she earns $250 for every day she works as a cryptographer,and earns $180 for every day she works as a geologist.

now miyoko's goal is to earn more than $950 this week.

hence, the inequality could be represented as:

250c+180g≥950

answer: 7

step-by-step explanation: