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kirill115 [55]
2 years ago
15

A farmer sells corn that he grows in a square field. Each side of the field is 40 meters long , and he plans to extend the side

lengths by 3 meters each year so he can plant more corn. How can the farmer use this information to calculate the area of the field, A, A after t years?
Mathematics
2 answers:
strojnjashka [21]2 years ago
6 0
3t+40=A

he starts with 40, so you add that to 3 t (3 meters every year-t)
pickupchik [31]2 years ago
5 0
The answer is (3 +40)(3t+40)=A
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Which compound most likely contains polar covalent bonds?<br> NaCl<br> AlF3<br> Br2<br> NF3
belka [17]

Answer: The correct answer is NF_3

Explanation:

In NF_3 molecule, there are three bond pairs and one lone pair present in the molecule. In a molecule, lone pair present on the nitrogen atom will have a dipole moment in upward direction where as total dipole moment formed by three fluorine atoms will be more in magnitude and it will be directed in downward direction which means that the net dipole moment will be in downward direction. As shown in image attached.

Hence, covalent bond present between nitrogen and fluorine will become polar in nature.

So, the correct answer is NF_3.

7 0
2 years ago
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suppose that a company claims that its boxes of breakfast cereal contain 15 ounces of cereal on average, with a standard deviati
olga nikolaevna [1]

Answer: 15 ounces


Step-by-step explanation:

It is given that a company claims the average cereal in boxes of breakfast cereal = 15 ounces

And we know that the mean amount is nothing but the average amount of any data.

Mean is synonym word of average .

The statistical mean is the mean or average that is used to find the central tendency of the data in any question.

Thus, the expected mean amount of cereal per box = 15 ounces.

8 0
2 years ago
The equation to determine the weekly earnings of an employee at the hamburger shack is given by w(x), where x is the number of h
SVETLANKA909090 [29]
To arrive at the answer, I graphed the piecewise function using a graphing calculator, then evaluated it at x=38 and x=52. I drew a line at y=445 and found the point of intersection on the graph.

a) The difference between earnings for 52 hours ($580) and earnings for 38 hours ($380) is $200.

b) An employee must work 43 hours to earn $445.

4 0
2 years ago
1. Which situation does NOT represent a functional relationship?
Alex

Answer:

  • 1. D
  • 2. C

Step-by-step explanation:

1. .....................................................................................................

A. This is a functional relationship as the number of workers depend on the number of job sites.

  • y = 5x

B. This is a functional relationship as the amount of money is dependent on the number of withdrawals

  • y = 2500 - 200x

C. This is a functional relationship as the number of vitamins depend on the number of monkeys

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D. This is NOT a functional relationship as the output is a fixed value. The performance and scoring may repeat.

2. .....................................................................................................

<h3>Given</h3>
  • A = 62x -100
  • B = 2x - 3
<h3>To find </h3>
  • A/B
<h3>Solution</h3>
  • A/B =
  • (62x - 100)/(2x - 3) =
  • (31*2x - 31*3 - 7)/(2x - 3) =
  • (31(2x - 3) -7)/(2x - 3) =
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Correct option is C.

7 0
2 years ago
What is the equation for the linear model in the scatter plot obtained by choosing the two points to the closest line?
sergiy2304 [10]
(4,12) (20,36)
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y intercept (0,6) b = 6
equation
y = 1.5x + 6

answer
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4 0
2 years ago
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