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lukranit [14]
3 years ago
14

Kala's final exam has true/false questions, worth 3 points each, and multiple choice questions, worth 4 points each. Let x be th

e number of true/false questions she gets correct, and let y be the number of multiple choice questions she gets correct. She needs at least 82 points on the exam to get an A in the class. Using the values and variables given, write an inequality describing this.
Mathematics
1 answer:
SIZIF [17.4K]3 years ago
4 0

Answer:

3x + 4y ≥ 82

Step-by-step explanation:

3x + 4y ≥ 82

we can read as: 3 time of right answers of true/false plus 4 times of right answers of multiple choice must be bigger or at least 82

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Pedro makes a base monthly salary of $1500. As a vendor, he must sell $20000 worth of items per month. He also makes a 4% commis
Svet_ta [14]

Answer:

$2540

Step-by-step explanation:

Given parameters:

  Base salary of Pedro = $1500

 Amount of commission on sales  = 4%

 Sales  = $26000

Unknown:

His total salary including base salary and commission  = ?

Solution:

His total salary;

  Total salary  = Base Salary + (percent on commission x sales)

 Total salary  = $1500 + (\frac{4}{100} x $26000)

 Total salary  = $1500 + $1040

  Total salary  = $2540

7 0
3 years ago
Linear equation of line with slope 1/4
MrRa [10]

Answer:

1/4x

Step-by-step explanation:

1/4x is a linear equation because it has a constant slope, and the slope of a line is shown before the x.

4 0
3 years ago
When you calculate your regression line, you are: Group of answer choices Minimizing the sum of the errors Finding the error for
Olenka [21]

Answer:

Finding the error for each observation, squaring the error and minimizing the sum

Step-by-step explanation:

The regression line is a straight line which gives a description of how the dependent variable y changes as changes occur in the independent variable X. It gives a prediction of the value of Y for any given value of X.

The method of least squares is used for squaring the error and also used for minimising the sum. Therefore, when you calculate the regression line, you would be Finding the error for each observation, squaring the error and minimizing the sum.

6 0
3 years ago
1 divided by 1/5????????
Neko [114]

Answer:

the answer is 5

Step-by-step explanation:

8 0
3 years ago
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Sometimes populations change over time. Generate six samples for one year after the initial samples.
PIT_PIT [208]

Answer:

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Step-by-step explanation:

Find the average for the amount of bass.   Then find the average amount of fish total in the pond, simplify it and you get an answer of 1:5

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