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gizmo_the_mogwai [7]
3 years ago
8

What is the commin difference of the arithmetic sequence in which the series is based?

Mathematics
1 answer:
gayaneshka [121]3 years ago
4 0
Each term increases or decreases by the same constant value called the common difference of the sequence. For this sequence, the common difference is –3,400. The sequence below is another example of an arithmetic sequence. In this case, the constant difference is 3.
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Linear regressions please help me i’m going to fail my class
lyudmila [28]

The equation has the form Y= a + bX,

Where:

Y is the dependent variable (that's the variable that goes on the Y axis).

X is the independent variable (i.e. it is plotted on the X axis).

b is the slope of the line.

a is the y-intercept.

3 0
3 years ago
there are 150 students in a marching band and 30 of them play trumpet. whats the percentage of people that play trumpet
NARA [144]

Answer:

30/150 simplifies to 20%

30/150

zeros cancel out

3/15

1/5

1/5 as a percentage is the same as 20%

8 0
4 years ago
Working together, 5 friends collected 15 5/8 bags of food for the homeless. On average, how many bags of food did each friend co
Effectus [21]

15 5/8 divided by 5

First, we turn the 15 5/8 to a mixed number: 8 * 15 + 5 = 125/8

125/8 divided by 5/1 (which is equal to 5)

Next, we do Keep Change Flip.

Keep 125/8 the same, change the division to multiplication, and turn the 5/1 to 1/5.

1 * 125 = 125

8 * 5 = 40

Then, we get 125/40 = 3 5/40 BUT WAIT

We can reduce it once more! Divide 40 by 5

Each friend collected 3 1/8 bags of food.

7 0
3 years ago
If the original price is $40.00 and the percent of markup is 8% what is the value of the markup ?
Ne4ueva [31]
Answer=$3.20

8%=0.08

$40.00*0.08=$3.20

The markup was $3.20 
7 0
3 years ago
Read 2 more answers
I need help with this for my numerical analysis class! Consider the following data set: (1,2.2), (3,5), (5,5.5),(7,6.1), (10,6.6
lyudmila [28]

Answer:

  • m ≈ 8.165
  • b ≈ 2.299

Step-by-step explanation:

It is convenient to let technology help out. Some graphing calculators will accommodate a model of your choice. Others are restricted to particular models, of which yours may not be one.

A spreadsheet solver may also offer the ability to optimize two variables at once. For that, you would write a function that gives the sum of the squares of the differences between your data points and those predicted by the model. You would ask the solver to minimize that sum.

If you want to do this "the old-fashioned way," you would write the same "sum of squares" function and differentiate it with respect to m and b. Solve the simultaneous equations that make those derivatives zero. (My solver finds multiple solutions, so the neighborhood needs to be restricted in some way. For example m > 0, b > 0, or sum of squares < 1.)

7 0
3 years ago
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