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Ronch [10]
2 years ago
5

The expression 27.50+ 0.11x models the monthly cost in dollars of a phone plan. In the

Mathematics
1 answer:
AlladinOne [14]2 years ago
6 0

Answer: 31.57

Step-by-step explanation: If x is 37, that would mean 0.11 x 37 and that equals 4.07. Then you would add 27.50 and 4.07 and get 31.57.

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How do you solve for x A=Bxt+C
emmasim [6.3K]
A=Bxt+C

A-C=Bxt+C-C
A-C=Bxt
A/Bt - C/Bt = x

4 0
3 years ago
Given a sample space, and events A and B, where P(A)= 0.5 and P(B)=0.5. Which of the following values for P(A and B) are not pos
user100 [1]

Option a, option b, option c, option d are not possible values for P(A ∩ B)

Solution:

Given A and B are independent events.

P(A) = 0.5 and P(B) = 0.5

To find which of the following values for P(A and B) are not possible.

P(A and B) = P(A ∩ B)

P(A ∩ B) = P(A) × P(B)

              = 0.5 × 0.5

P(A ∩ B) = 0.25

Option a: All are possible.

All answers are not possible for two independent events.

Option b: 0.35

We found that P(A and B) is 0.25.

So, 0.35 is not possible value.

Option c: 0.5

We found that P(A and B) is 0.25.

So, 0.5 is not possible value.

Option d: 0

We found that P(A and B) is 0.25.

So, 0 is not possible value.

Option e: 0.25

We found that P(A and B) is 0.25.

So, 0.25 is the possible value.

Hence, 0.35, 0.5, 0 are not possible values.

4 0
3 years ago
A company determines that its marginal revenue per day is given by R' ( t ) , where R ( t ) is the total accumulated revenue, in
DedPeter [7]

Answer:

Step-by-step explanation:

Total profit function is equal to Total revenue function minus Total Cost function.

To get both Revenue function and Cost function, integrate the Marginal functions as follows:

R(t) = 108.7312t^2

Where 80et = 217.4624t

(e =2.71828)

C(t) = 80t - 0.4t^2

P(t) = R(t) - C(t) = 109.1312t^2 - 80t

When t=0, P=0

When t=1, P=29.1312

When t=2, P=276.5248

When t=3, P=742.1808

And so on ...

Summing the daily profits, total profit for the 10 days is 37,615.512 dollars which equals 3,761551.2 cents

(B)

Average daily profit for the first 10 days (in dollars) is 37,615.512÷10 = 3,761.5512 dollars

= 376,155.12 cents

3 0
3 years ago
Tropical punch served at the school picnic called for 12 cups of pineapple, 15 cups of orange and 5 cups of coconut juices.How m
adoni [48]
1 cup = 0.25 quarts,

12+15+5 = 32 cups:

32 * .25 = 8 quarts
7 0
3 years ago
Read 2 more answers
Write an equation of the line passing through the points (3,7) and (-1,-13)
kykrilka [37]

Answer:

Step-by-step explanation:

(-13 - 7)/(-1 + 3) = -20/2 = -10

y - 7 = -10(x - 3)

y - 7 = -10x + 30

y =  - 10x + 37

4 0
3 years ago
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