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ololo11 [35]
2 years ago
7

your internet provider offers two different plans. One plan costs $.02 per email plus a $9 monthly service charge. the other pla

n costs $.05 per email with no service charge.
Mathematics
1 answer:
Contact [7]2 years ago
5 0

Answer:

Step-by-step explanation:

y=.02x+9 - First Part

y=.05x     - Second Part

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Write these fractions with the same denominatior 3/5= 2/3=
yanalaym [24]

30

Explanation:

5×6=30

3×10=30

hope this helps...I just looked it up and this is what I found

6 0
2 years ago
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12k + 26 factor completely<br><br>pls help ​
Liula [17]

Answer:

2\left(6k+13\right)

Step-by-step explanation:

6 0
3 years ago
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Let a be a rational number and b be an irrational number. Is a + b rational or irrational?
Svetlanka [38]

Answer:

irrational

Step-by-step explanation:

because an irrational number goes on forever so no matter what number is added to it it will always be irrational.

4 0
3 years ago
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Assume that hybridization experiments are conducted with peas having the property that for offspring, there is a 0.75 probabilit
Verdich [7]

Answer:

a) Standard Deviation = 2.74

b) Significantly Low = values below 24.52 (or equal)

Significantly High = values above 35.48 (or equal)

Step-by-step explanation:

This is binomial probability distribution problem.

Where n = 40 [groups of 40, total trials]

p = 0.75 [probability of success]

a)

The formula for standard deviation is:

Standard \ Deviation = \sqrt{np(1-p)}

We know  n = 40 and p = 0.75, so the standard deviation is:

Standard \ Deviation = \sqrt{np(1-p)} \\Standard \ Deviation = \sqrt{(40)(0.75)(1-0.75)}\\ Standard \ Deviation = 2.74

b)

the range rule of thumb tells us that usual range of values is within 2 standard deviation of the mean. First let's calculate mean.

We know,

Mean = n * p = 40 * 0.75 = 30

So

Mean - 2* Standard Deviation = 30 - 2(2.74) = 24.52

and

Mean + 2* Standard Deviation = 30 + 2(2.74) = 35.48

Significantly Low = values below 24.52 (or equal)

Significantly High = values above 35.48 (or equal)

8 0
3 years ago
F (x) = x+2 +9<br> What is the inverse
Sindrei [870]

Answer: The inverse is f^-1 (x) = x - 11

8 0
3 years ago
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