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pentagon [3]
1 year ago
15

Find the slope of the line that passes through (2,21) and (84, -30)

Mathematics
1 answer:
Flura [38]1 year ago
3 0

Answer:

-51/82.

Explanation:

Given two points (x1,y1)=(2,21) and (x2,y2)=(84,-30), we find the slope using the formula below:

m=\frac{y_2-y_1}{x_2-x_1}

Substitute the given points:

\begin{gathered} m=\frac{-30-21}{84-2} \\ m=-\frac{51}{82} \end{gathered}

The slope of the line that passes through the given points is -51/82.

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strojnjashka [21]

Answer:

Step-by-step explanation:

The determinant of a matrix is a special number that can be calculated from a square matrix.

...

To work out the determinant of a 3×3 matrix:

Multiply a by the determinant of the 2×2 matrix that is not in a's row or column.

Likewise for b, and for c.

Sum them up, but remember the minus in front of the b.

7 0
3 years ago
The following data table represents the total cost of a monthly cell phone bill as a function of the number of minutes that the
Alisiya [41]
Answer:
The total monthly cost would be $214

explanation:
They gave us 1,250, which is half of 2,500. multiplication:
1,250 = 2,500
107 = x
2 × 1,250 = 2,500
2 × 107 = 214
Therefore, the total monthly cost if the cell phone is used for 2,500 minutes is $214.
4 0
3 years ago
Find the equation of a line that passes the points (5, -9) and (0, -3)
kobusy [5.1K]

Answer:

y = -6/5x - 3

Step-by-step explanation:

Point Slope Form:  (y - y1) = m(x - x1)

<u>Step 1:  Find Slope</u>

m = \frac{y2-y1}{x2-x1}

m = \frac{-3 - (-9)}{0 - 5}

m = \frac{-3 + 9}{-5}

m = \frac{6}{-5}

m = \frac{-6}{5}

<u>Step 2:  Plug into Point Slope Form</u>

(y - (-3)) = -6/5(x - 0)

y + 3 - 3 = -6/5x - 3

y = -6/5x - 3

Answer:  y = -6/5x - 3

5 0
3 years ago
Read 2 more answers
If anyone could help out with this one i would really appreciate it <br><br> f(2)=?
algol13

Answer:

f(2) = 0

Step-by-step explanation:

Function f(t) is defined in three different ways depending on the value of t.

For t = 8, function f(t) is -64/t.

For t = 10, function f(t) is 14 - t.

We are not asked about f(8) or f(10). We are asked about f(2). The third definition of function f(t) is for all values of t that are not 8 or 10. 2 is not 8 or 10, so use the third definition of function f(t) and plug in 2 for t.

f(t) = t^2 - 3t + 2 for t not equal to 8 or 10.

f(2) = 2^2 - 3(2) + 2

f(2) = 4 - 6 + 2

f(2) = 0

6 0
3 years ago
What fractions are equivalent to 1/3?
ExtremeBDS [4]

Answer:

#markasbrainliest

1/3

=

2/6

=

3/9

=

4/12

=

5/15

=

6/18

=

7/21

=

8/24

=

9/27

=

10/30

=

11/33

=

12/36

=

13/39

=

14/42

=

15/45

=

16/48

=

17/51

=

18/54

=

19/57

=

20/60

=

21/63

=

22/66

=

23/69

=

24/72

=

25/75

=

26/78

=

27/81

=

28/84

=

29/87

=

30/90

=

31/93

=

32/96

=

33/99

=

34/102

=

35/105

=

36/108

=

37/111

=

38/114

=

39/117

=

40/120

=

41/123

=

42/126

=

43/129

=

44/132

=

45/135

=

46/138

=

47/141

=

48/144

=

49/147

=

50/150

=

51/153

=

52/156

=

53/159

=

54/162

=

55/165

=

56/168

=

57/171

=

58/174

=

59/177

=

60/180

=

61/183

=

62/186

=

63/189

=

64/192

=

65/195

=

66/198

=

67/201

=

68/204

=

69/207

=

70/210

=

71/213

=

72/216

=

73/219

=

74/222

=

75/225

=

76/228

=

77/231

=

78/234

=

79/237

=

80/240

=

81/243

=

82/246

=

83/249

=

84/252

=

85/255

=

86/258

=

87/261

=

88/264

=

89/267

=

90/270

=

91/273

=

92/276

=

93/279

=

94/282

=

95/285

=

96/288

=

97/291

=

98/294

=

99/297

=

100/300

3 0
3 years ago
Read 2 more answers
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