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Papessa [141]
3 years ago
8

the monthly revenue for printer ink for a large office supply store is r(x) =-x^2 +12x+13, where x is the price of an ink cartri

dge in dollars and r(x) is in hundreds of dollars. what is the maximum monthly ink revenue​
Mathematics
1 answer:
steposvetlana [31]3 years ago
4 0

Answer:

6u77vhy46yvt g vgj v6. hy

Step-by-step explanation:

guv yg

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How do you find the whole number from the percentage increase?<br><br><br>(Give an example)
hjlf
Say the percentage increase is 25%. If you have the whole number of 30 then you would multiply 30 by .25. You should therefore get 7.5 once both are multiplied. That means you should add 7.5 to 30, and your final answer will be 37.5.
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3 years ago
Josie makes fruit punch by mixing fruit juice and lemonade in the ratio 1:3
dedylja [7]
If she has three litres of fruit juice left, she can use nine liters of lemonade. She can make twelve more liters of punch

For the second batch the ratio of fruit juice to lemonade would be 3:12 or 1:4
8 0
2 years ago
Choose the one most likely type of error or bias you might encounter in the following sampling situations. (a) You want to know
Nataly_w [17]

Answer:

a) Response error

b) coverage error

c) coverage error

Step-by-step explanation:

Given situation:

(a) You want to know about the dating habits of college students, so you go to a dorm meeting and ask students how many dates they have had in the last year.

Solution:

In such situations the dating habits is a private matter for every individual and would not be truy expressed or conveyed in a dorm meeting. The true response would either be false or hidden in context of a public gathering.. So the likely error would be " Response error"

Given situation:

b) You want to know how often people attend religious services, so you stand outside a particular church on Sunday and ask entering individuals how often they attend.

Solution:

The collection of sample from a "particular" church limits the diversity of responses. The spread of the data might be skewed to certain geographical or population or ethnical locations. A better coverage would be recommended for accurate sampling. Hence, "coverage error"

Given situation:

(c) You want to know how often people eat at McDonald's, so you stand outside a particular McDonald's and ask entering customers how often they eat at McDonald's.

Solution:

The collection of sample from a "particular" McDonalds limits the diversity of responses. The spread of the data might be skewed to certain geographical or population or ethnical or lifestyles. A better coverage would be recommended for accurate sampling. Hence, "coverage error"

4 0
3 years ago
What is the difference between 3x hdmi and 4x hdmi?
zzz [600]
There is a global standard for connecting high-definition electronics and PC products. HDMI technology helps in providing people with the highest signal possible to meet the current needs of HD entertainment systems with only a single cable that it uses for transmission. Currently, every new digital TV must have at least one HDMI port and the the connectivity has been standardized on one range of electronic products. 2x, 3x, 4x is the number of HDMI ports. This implies that 4x has more ports than 3x.
8 0
3 years ago
Rocco bought a soft drink for three dollars and six candy bars, He spent a total of twenty one dollars. How
Sophie [7]

Answer:

x=3

Step-by-step explanation:

The equation will be 3+6x=21 since we know that the soft drink costs 3 dollars and he bought 6 candy bars(6 times x or 6x). We also know that the total cost for this merchandise is 21 dollars. Now you solve the equation! First subtract 3 from both sides(since the inverse for addition is subtraction we SUBTRACT 3 from bothe sides). You are left with 6x=21-3 or 6x=18. Now you divide Each side by 6(because the inverse operation of multiplication is division). You have the answer! x=18/6 or x=3! Hope it helped!!

3 0
3 years ago
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