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Gemiola [76]
3 years ago
8

A manufacturer of tennis balls has a daily cost of C(x) = 0. 01x2 – 10x + 4000, where x is the number of tennis balls produced.

How many tennis balls should be produced to minimize the cost? What is the minimum cost?
Mathematics
1 answer:
Ede4ka [16]3 years ago
3 0
Answer:
x=500+100sqrt{15}i OR x=500-100sqrt{15}i
Step-by-step explanation:
0.01x^2-10x+4000=0
solve for x using quadratic formula
Answers are imaginary numbers, possibly due to wrong equation in question
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Two teachers compared the mean absolute deviation of the scores from the semester exam they gave to their students. Mrs. Alvarez
Monica [59]

Answer:

C. Mrs. Alvarez's scores were less spread out than Mr. Crawford's scores.

Step-by-step explanation:

Mean Absolute Deviation is one of the Statistical measures which we can you to determine the variation that exist amongst a given set of data

Mean Absolute Deviation can be defined as how far or the distance between one set of data to another set of data.

The smaller the Mean Standard Deviation, the lower the degree of variation in the set of data. The data is less spread out

The larger the Mean Standard Deviation, the higher the degree of variation in the set of data. The data is Largely spread out

We are told in the question that:

Mrs. Alvarez's scores had a lower mean absolute deviation than Mr. Crawford's scores. Our conclusion would be that Mrs. Alvarez's scores were less spread out than Mr. Crawford's scores.

Option 2 is correct.

3 0
4 years ago
Question 1:
Dominik [7]
14+2x=62        (x=Pass cost)
-14        -14
(2x=48)/2
x=24

6.50+5.75+1.15x=18
12.25+1.15x=18
-12.25          -12.25
1.15x=5.75 divide both sides by 1.15
x=5

5 0
3 years ago
Where is the outlier in this graph?<br><br><br><br> A.) at 1<br> B.) at 6<br> C.) at 5<br> D.) at 11
geniusboy [140]

Answer:

d. 11

Step-by-step explanation:

The outlier is D. 11 because it is the furthest amount from any other set.

7 0
3 years ago
Waht is the elapsed time for 1:05 pm - 4:40 am
olga2289 [7]
Elapsed time from 105pm to 440am is 15 hours and 35 minutes.
8 0
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Step-by-step explanation:

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