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TiliK225 [7]
3 years ago
8

Identify which sets the number -20 belongs to

Mathematics
1 answer:
Rashid [163]3 years ago
8 0
0 -1 -2 -3 -4 -5 -6 -7 -8 -9 -10 -11 -12 -13 -14 -15 -16 -17 -18 -19 -20 Hope this helps! :D But you forgot to put answer choices edit them in so i can help! :D
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Albert bought 3 blank tapes for $5.95. Find the cost per tape to the nearest cent.​
Brilliant_brown [7]

Answer:

17.85

Step-by-step explanation:

just times 5.95 by 3

4 0
3 years ago
Quadrilateral ABCD has vertices at: A(0,7),B(10,9),C(12,-1),D(2,-3)
Svetach [21]

Answer: the answer is c

Step-by-step explanation:

your welcome

7 0
3 years ago
Homework Question Help
harkovskaia [24]

Answer:

A=49 degrees

a= 41 degrees

b=90 degrees

Step-by-step explanation:

its asking for the degrees?

5 0
2 years ago
8 less than one third a number n is -13
Firlakuza [10]

Answer:

7

Step-by-step explanation:

4 0
3 years ago
Calculate the variance for the data set. Round your answer to the nearest hundredth. Show all of your steps. { 10 , 19 , 21 , 28
GrogVix [38]

Answer:

Variance of the given data = 31.143

Explanation:

  Variance, \sigma^2=\frac{1}{n} \sum_{i=1}^{n}(x_i-\mu)^2, where n is the number of observations, μ is the mean and x_i is the observations made.

   Number of observations, n = 7

   Mean, μ = \frac{10+19+21+28+12+20+16}{7} = 18

   \sum_{i=1}^{n}(x_i-\mu)^2=(10-18)^2+(19-18)^2+(21-18)^2+(28-18)^2+(12-18)^2+(20-18)^2+(16-18)^2\\ \\ \sum_{i=1}^{n}(x_i-\mu)^2=64+1+9+100+36+4+4=218

  \sigma^2=\frac{1}{n} \sum_{i=1}^{n}(x_i-\mu)^2=\frac{218}{7} =31.143

  So variance of the given data = 31.143

8 0
3 years ago
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