Linear equations (7,1) and (x,4); m=3/4

x = 11

Step-by-step explanation:

Slope(m) is given by:

m = change in y ÷ change in x

3/4 = (4 - 1) ÷ (x - 7)

=

Cross multiplying gives:

3x - 21 = 12

3x = 33 , x = 33/3 = 11

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step-by-step explanation:

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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