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Aloiza [94]
3 years ago
7

Solving Inequality's

Mathematics
1 answer:
devlian [24]3 years ago
5 0
How can I send you the drawn representation on number line ?

25)

z + 4 >= 2z

-z >= -4

z <= 4  (you flip the sign when you divide over negative number)

on number line:  from 4 to -infinity

you use normal arithmetic like equations

29)

-9 + 2a < 3a

-9 < a  (just one step done)

on number line from -9 to infinity

41 and 43 ? not in the page 


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3 years ago
A tennis instructor chargers $40 for each one hour lesson and $25 for each half hour lesson if the instructors I come from 35 le
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X = 1 hr lessons and y = 1/2 hr lessons

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