Answer:
For a monthly cost of at least $7 and at most $8, you can have between 100 and 110 calling minutes.
Step-by-step explanation:
The problem states that the monthly cost of a celular plan is modeled by the following function:

In which C(x) is the monthly cost and x is the number of calling minutes.
How many calling minutes are needed for a monthly cost of at least $7?
This can be solved by the following inequality:






For a monthly cost of at least $7, you need to have at least 100 calling minutes.
How many calling minutes are needed for a monthly cost of at most 8:






For a monthly cost of at most $8, you need to have at most 110 calling minutes.
For a monthly cost of at least $7 and at most $8, you can have between 100 and 110 calling minutes.
Answer:
Step-by-step explanation:
As given Total Guavas = 40 ,
3 daughters,
Let share of Sharon = x
then by given condition ,
Naomi share = x+3 (3 more then Sharon
Also Kassie share = x+3+10 =x+13 (10 more then Naomi
Now
total shared = total
Naomi + Sharon + Kassie = 40
(x+3) +(x) +(x+13) =40
adding like terms with like we get ,
3x+16=40
3x=40-16
3x=24
x= 24/3
x= 8
hence Sharon share = x =8
Naomi share = x+3 =8+3 =11
Kassie share = x+13 = 8+13 = 21
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Answer:
it's the last one, and the missing number is 70 (the P)
These 2 equations intersect at roughly 2 points, one being the origin (0,0) and the other being (1,1) so the answer would be 2.