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HACTEHA [7]
3 years ago
9

two companies offer different charges for text messaging company 1 charges 0.04 cents per text message while company two charges

rates according to the table. which company offers the cheapest plan for up to 500 text messages

Mathematics
2 answers:
Elena-2011 [213]3 years ago
7 0
Company one cause the equation for it is y=0.04x. If you do y=0.04(500) u get 20$ as the total.
Llana [10]3 years ago
4 0

Answer:

company 1 is offering the cheapest plan.

Step-by-step explanation:

Since company 1 charges 0.04 cents per text messages.

So for 500 text messages total charges by the company = 0.04×500 = $20

Now at the same time company B is charging

from 0 - 100 messages = $5

from 101 - 200 messages = $10

from 201 - 300 messages = $15

from 301 - 400 messages = $20

from 401 - 500 messages = $25

Total charges for 500 text messages = 5 + 10 + 15 + 20 + 25 = $75

So, company 2 is costlier than company 1.

Therefore, company 1 is offering the cheapest plan.

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DerKrebs [107]

Answer:

a) The probability that this whole shipment will be​ accepted is 30%.

b) Many of the shipments with this rate of defective aspirin tablets will be rejected.

Step-by-step explanation:

We have a shipment of 3000 aspirin tablets, with a 5% rate of defects.

We select a sample of size 48 and test for defectives.

If more than one aspirin is defective, the batch is rejected.

The amount of defective aspirin tablets X can be modeled as a binomial distribution random variable, with p=0.55 and n=48

We have to calculate the probabilities that X is equal or less than 1: P(X≤1).

P(X\leq1)=P(X=0)+P(X=1)\\\\\\P(0)=\binom{48}{0}(0.05)^0(0.95)^{48}=1*1*0.0853=0.0853\\\\\\P(1)=\binom{48}{1}(0.05)^1(0.95)^{47}=48*0.05*0.0897=0.2154\\\\\\P(X\eq1)=0.0853+0.2154=0.3007

8 0
3 years ago
The sum of two numbers is at most 12, and the sum of 3 times the first number and 8 times the second number is at least 48 selec
Sever21 [200]

Answer:

(4,8)

Step-by-step explanation:

4 + 8 = 12

3(4) + 8(8)

= 12 + 64

= 76

6 0
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Help for
Fed [463]
3 x 5 x 8 =15 x 8 = 120
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3 years ago
What fraction is greater than 2/3
lutik1710 [3]

2/3 is basically 0.6666666667 which is the same as 66% so any percentage bigger than 66% such as 75% (0.75) which is 3/4 (as a fraction) is bigger than 2/3

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Georgia [21]
The answer to which is bigger is -5 because it is closer to zero
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