Rosalie doit choisir le forfait le plus avantageux pour l'usage de son téléphone cellulaire, La compagnie A offre un tarif mensuel de 0,45 $/min. La compagnie B offre un tarif mensuel
de 0,40 $/min pour un maximum de 100 minutes, auquel s'ajoutent des frais de 0,25 $
pour chaque minute supplémentaire. Voici les durées des appels de Rosalie pendant
un mois représentatif de son utilisation habituelle.
7
15 min
240 s
1 min
0,4 h
h
2 min
0,35 h
4 min
h
20
10
Quelle compagnie Rosalie devrait-elle choisir ?​

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

1. 8

2. 9

3. 20

4. 3

5. 17

6. 2.2

7. 11.25

8. 1

9. 14

10. 2

step-by-step explanation:

thats the first half

b. 6

step-by-step explanation:

we are given the table representing an exponential function.

we can see from the table that, as x is increasing, the value of y is increasing in the power of 6.

i.e. the following relation is obtained,

x = 1, y = 6

x = 2, y = 36 =

x = 3, y = 216 =

x = 4, y = 1296 =

x = 5, y = 7776 =

so, the geometric series obtained is .

thus, the common ratio is given by = = 6.

hence, the common ratio is 6.

what level of math? also i don't need to be paid if i can you.