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a_sh-v [17]
3 years ago
10

Assume that after t hours on the job, a factory worker can produce 100te^-.5t units per hour. How many units does the worker pro

duce during the first three hours?
Mathematics
1 answer:
VMariaS [17]3 years ago
5 0
The number of units produced by the worker during t hours of work can be modelled by the following function:

N(t)=100t e^{(-0.5t)}

To find the number of units produced during first 3 hours, we can substitute 3 for t. This will give us the number of units produced by the worker during first 3 hours.

N(3)=100(3) e^{-0.5(3)} = 67

Thus the worker will produce 67 units during the first 3 hours of the work. 
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The expression 53(1+x) represents the total cost of a meal including the tip. What do the different parts of the expression repr
lawyer [7]
53(1 + x)

the 53 is the cost of the meal without the tax

the x is gonna be the percentage of the tip u want to leave...in decimal form

so lets say u are going to leave a 5% tip.....5% = 0.05
ur equation would be 53(1 + 0.05) = 53(1.05) = 55.65...cost of meal and tip
7 0
3 years ago
Read 2 more answers
3. The following data was collected from a simple random sample from a process (an infinite population). 13 15 14 16 12 a. The p
SVETLANKA909090 [29]

Answer:

14

Step-by-step explanation:

Given the data:

13 15 14 16 12

The point estimate of the population mean will be :

ΣX/ n

X = Given data points

N = sample size

ΣX = (13 + 15 + 14 + 16 + 12) = 70

N = 5

Hence,

ΣX/ N = 70 / 5

Point estimate of population mean = 14

3 0
3 years ago
Please answer me this question ​
Jobisdone [24]

Answer:

x = 2

y = 3

Step-by-step explanation:

\left \{ {{0.4x + 0.3y = 1.7} \atop {0.7x - 0.2y = 0.8}} \right.

\left \{ {{2(0.4x + 0.3y) = 2 * 1.7} \atop {3(0.7x - 0.2y) = 3 * 0.8}} \right.

\left \{ {{0.8x + 0.6y = 3.4} \atop {2.1x - 0.6y) = 2.4}} \right.

2.9x = 5.8

29x = 58

x = 2

0.3y + 0.4x = 1.7

0.3y + 0.4 * 2 = 1.7

0.3y + 0.8 = 1.7

0.3y = 0.9

3y = 9

y = 3

4 0
3 years ago
1. Pretend that in a certain city the number of new cases of a virus was reported to be 800 new cases on Sunday. Let’s pretend t
Neporo4naja [7]

The number of new cases be on Thursday after all of this growth and falling is 956.

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more variables and numbers.

There are initially 800 cases, hence:

Number of cases on Monday = 1.15 * 800 = 920

Number of cases on Tuesday = 1.05 * 920 = 966

Number of cases on Wednesday = 0.9 * 966 = 869.4

Number of cases on Thursday = 1.1 * 869.4 = 956.34

The number of new cases be on Thursday after all of this growth and falling is 956.

Find out more on equation at: brainly.com/question/2972832

#SPJ1

8 0
1 year ago
I ben buys a pair of GUCCI FLIP FLOPS for $24.78 and pays with a $50 how mutch change does he get back? ps real question just ch
galina1969 [7]

Answer: 25.22


Step-by-step explanation:

24.78 - 50 = 25.22

5 0
3 years ago
Read 2 more answers
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