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DerKrebs [107]
3 years ago
15

Cell phone company charges$50 for an 800-minute monthly plan, plus an additional $0.22 per minute for every minute over 800. if

a customer's bill ranged from a low of $67.16 to a high of $96.86 over a 6-month period, what were the most minutes used in a single month
Mathematics
1 answer:
pentagon [3]3 years ago
3 0
The most used minutes in a moth is 1013.
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A quiz consists of 20 multiple-choice questions, each with 5 possible answers. for someone who makes random guesses for all of t
blondinia [14]
N = 20, the number of questions
p = 1/5 = 0.2, the probability of making a correct guess
q = 1 - p = 0.8, the probability of making an incorrect guess.
Expected success  = 60% or 6 of 10.

From the binomial distribution,
P(6 of 10) = ₁₀C₆ p⁶q⁴
                 = 210*0.2⁶*0.8⁴ = 0.0055

Answer: 0.0055

7 0
3 years ago
F(-3)=11 and f(4)=55 find value of f(-1)
AVprozaik [17]

11(4)=55

44=55

f=55÷44

f=1.25(-3)

-3.75

6 0
3 years ago
Find the maximum rate of change of f at the given point and the direction in which it occurs. maximum rate of change direction v
Elena L [17]

Answer:

china

Step-by-step explanation:

tssysystattatzfkfkvkgkfusudirudud

5 0
3 years ago
Only 23 out of 50 people in the class passed the exam. What percent of the class passed the exam?
Black_prince [1.1K]

Answer:

46%

Step-by-step explanation:

For percents, we want to make the number out of 100.  23/50 is the same as 46/100.  From fraction knowledge, 46/100 is 46%.

5 0
3 years ago
Read 2 more answers
Compare (-18) + (-15) -23 ____15-18+23
lesya [120]

Alright here we go...

<u>(-18) + (-15) - 23</u>

-33 - 23

= -56

<u>15-18+23</u>

-3 + 23

= 20

so I don't know how you want me to compare it but,

(-18) + (-15) - 23 < 15-18+23

6 0
3 years ago
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