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postnew [5]
3 years ago
7

Describe in detail how you would plot the value 2 3/8 on a number line

Mathematics
1 answer:
malfutka [58]3 years ago
5 0
Between 2 and 3, after the 2 1/4 point, but before the halfway point.
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Andre owns a computer backup service. He charges his customers $2.50 for each backup CD. His expenses include $875 for the CD re
alukav5142 [94]

Answer:

p =2.15n - 875

Step-by-step explanation:

Given

CD_s= n

Charges = 2.50 per CD

<u>Expenses</u>

E_1 = 875

E_2 = 0.35 per CD

Required

The profit (p)

First, calculate the total income on n CDs

Total = Charges * n

Total = 2.50 * n

Total = 2.50n

Next, the expenses on n CDs

Expenses = E_1 + E_2 * n

Expenses = 875 + 0.35 * n

Expenses = 875 + 0.35n

The profit (p) is:

p = Total - Expenses

p =2.50n - (875 + 0.35n)

Open bracket

p =2.50n - 875 - 0.35n

Collect like terms

p =2.50n -  0.35n - 875

p =2.15n - 875

3 0
3 years ago
The number of hours, t, that bacteria spread 10-fold can be modeled by the equation B(t) = B0(10)2t. There are 25 bacteria prese
nordsb [41]

Answer: 1.67 hours.


Explanation:


1) Function that models the number of bacteria:


B(t)=B_0(10)^{2t}


2) Bo = 25, then the function is:


B_0=25(10)^{2t}


3) To know how many hours will elpase until the number of bactaria is 55,00, you equals B to 55,500 in the equation and solve for t, in this way:


i) start

55000=25(10)^{2t)


ii) division property

2200=10^{2t}


iii) antilogarithm property

2t = log_{10}2200


iv) division property

t=\frac{log_{10}2200}{2}


v) Due the operations:


t = 1.67 hours.


Note that the time is less than 2 hours. That sounds fine since after 1 hour there will be 10 times 25 (250 bacteria), and after 2 hours 100 times 25 (2500 bacteria).

3 0
3 years ago
What is 18 divided by 11
schepotkina [342]
1.63636363636363636363636363636.........
5 0
3 years ago
An office supply company produces yellow document envelopes. The envelopes come in
Ierofanga [76]

Answer:

6x+10

Step-by-step explanation:

2x×2(2x+5)

2x+4x+10

6x+10

7 0
2 years ago
What is the mean, median and mode of the following data set? Please label each response.
irinina [24]

Answer:

Mean: 21

Median: 23

Mode: 27

Step-by-step explanation:

order from least to greatest:

1, 15, 18, 22, 23, 25, 27, 27, 31

mean: add all the numbers and divide by 9 bc thats how many numbers there are so that means the answer is

21

Median: to find the median you order the numbers from least to greatest and find out the middle number so in that case the median is 23

Mode: to find the mode you look to see what number is repeated multiple times, so the mode is 27

8 0
3 years ago
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