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agasfer [191]
3 years ago
5

To find an equation for the line with slope -3 that passes through the point ( 4, 3 ), Dana wrote the following steps. Is he cor

rect? Explain
Mathematics
1 answer:
Makovka662 [10]3 years ago
3 0

Answer:

<h3>y=-3x+15</h3>

Step-by-step explanation:

m=-3\\\\(4,3)=(x_1,y_1)\\\\

Substitute values into point slope form

y-y_1=m(x-x_1)\\\\y -3=-3(x -4)\\\\y-3=-3x +12\\\\y=-3x+12+3\\\\y=-3x+15

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The table shows the total number y (in billions) of U.S. movie admissions each year for x years. Use a graphing calculator to fi
wariber [46]

Answer:

By rounding up of the constant and coefficient terms, we have;

The line of best, fit is y = 1.23 + 3.46 × 10⁻²·x

Step-by-step explanation:

The table for the data on the number of movie admissions each year is presented as follows;

Year, x                                             {}                      Admission, y

0                                                      {}                         1.24

2                                                       {}                        1.26

4                                                      {}                         1.39

6                                                      {}                         1.47

8                                                      {}                         1.49

10                                                      {}                        1.57

Using a graphing calculator, we have that the line of best fit is given by the following equation;

y = 1.23047619048 + 3.45714285714 × 10⁻²·x

Which is approximately, y = 1.23 + 3.46 × 10⁻²·x

3 0
3 years ago
The least to greatest for the numbers 3/5 2/5 7/10 3/4
Nata [24]
Least to greatest: 2/5, 3/5, 7/10, 3/4
6 0
3 years ago
The number in each column are related. The goal is to determine how they are related, determine which numbers belongs in the bla
andre [41]

Answer:

If you cube the numbers in the left column, you get the numbers in the right column! We can figure this out by understanding that 1^3 = 1, 3^3 = 27, and 6^3 = 216. Then it all falls into place!

1 -> 1

2 -> 8

3 -> 27

5 -> 125

6 -> 216

11 -> 1331

8 -> 512

10 -> 1000

7 -> 343

14 -> 2744

p -> p^{2}

\sqrt{q} -> q

8 0
3 years ago
Read 2 more answers
Solve the system of equations. x=-2y+1 and x+2y=9. PLEASE SHOW WORK
docker41 [41]

Answer:

N0 solution.

Step-by-step explanation:

x=-2y+1....(1)

x+2y=9....(2)

put equation (2) to equation (1)

-2y+1 + 2y=9

combine

-2y + 2y=9-1

0=8

No solution.

4 0
3 years ago
Which number (s) below represents a repeating decimal? -2/5, -7, 3/7, 11/12
Ray Of Light [21]

Step-by-step explanation: Arrange the terms in ascending order: -7, -2/5, 3/9, 11/12.

Hope this helps! :D

-TanqR

6 0
3 years ago
Read 2 more answers
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