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11Alexandr11 [23.1K]
2 years ago
5

If f(x) = 2x² – 2. what is f(-6)? If -78 30 18 0 78 PLS HELP

Mathematics
2 answers:
Hunter-Best [27]2 years ago
8 0
78!!!!!!!!
This is because -6*2 is -36
blondinia [14]2 years ago
4 0

Answer:

70

Step-by-step explanation:

Substitute x with -6:

2(-6)²-2

2(36)-2

72-2

70

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Gina is making $20 an hour. She receives a 10% raise. If gina works 40 hours a week, how much more money will she make each week
Elden [556K]

Answer:

880

Step-by-step explanation:

20 x 10% = 2

20 + 2 = 22

22 x 40 = 880

6 0
2 years ago
Use the given minimum and maximum data​ entries, and the number of​ classes, to find the class​ width, the lower class​ limits,
Gennadij [26K]

Using proportions and the information given, it is found that:

  • The class width is of 14.375.
  • The lower class limits are: {19, 33.375, 47.750, 62.125, 76.500, 90.875, 105.250, 119.625}.
  • The upper class limits are: {33.375, 47.750, 62.125, 76.500, 90.875, 105.250, 119.625, 134}.

-------------------------

  • Minimum value is 19.
  • Maximum value is of 134.
  • There are 8 classes.
  • The classes are all of equal width, thus the width is of:

W = \frac{134 - 19}{8} = 14.375

-------------------------

The intervals will be of:

19 - 33.375

33.375 - 47.750

47.750 - 62.125

62.125 - 76.500

76.500 - 90.875

90.875 - 105.250

105.250 - 119.625

119.625 - 134.

  • The lower class limits are: {19, 33.375, 47.750, 62.125, 76.500, 90.875, 105.250, 119.625}.
  • The upper class limits are: {33.375, 47.750, 62.125, 76.500, 90.875, 105.250, 119.625, 134}.

A similar problem is given at brainly.com/question/16631975

6 0
3 years ago
Which quadrilateral(s) have sides that are referred to as bases and legs
kompoz [17]

Answer:

trapeziod

Step-by-step explanation:

A trapezoid is a quadrilateral with only one pair of opposite sides parallel. The parallel sides are called bases, and the nonparallel sides are called legs. A segment that joins the midpoints of the legs is called the median of the trapezoid

3 0
3 years ago
What does <br><br> (2b+c)(3b+2c)=
Svetradugi [14.3K]
Simplify 6b2+7bc+2c2.
Hope this helps
4 0
3 years ago
Read 2 more answers
Bronze is a mixture of copper and tin.
Lapatulllka [165]

Answer:

26 gm

Step-by-step explanation:

Tin is   1   out of (9+1)   = 1/10 th

1/10th * 260 gm  =   26 gm

7 0
2 years ago
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