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ella [17]
3 years ago
11

Help pretty please :) <3

Mathematics
2 answers:
Eduardwww [97]3 years ago
7 0
To find the mean, add up all of the numbers, and divide by the total amount of numbers.

-5 + -7 + 0 + 8 + 9 = 5

5/5 = 1 
dimulka [17.4K]3 years ago
4 0
That would be 10 and your very welcome
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The measurement of a rectangular room on a scale drawing are 8cm x 6cm. If the scale use is 1 : 400, calculate the actual area o
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768 m²

Step-by-step explanation:

8 x 400 = 3200 cm = 32 m

6 x 400 = 2400 cm = 24m

32 x 24 = 768 m²

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A cosine function has a period of 4, a maximum value of 20, and a minimum value of 0. The function is not a reflection of its pa
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the third one

Step-by-step explanation:

6 0
3 years ago
Please help, and plz don't be saying this is the right answer if u dont know for sure.
zepelin [54]

Answer:

135 degrees

Step-by-step explanation:

(8x-7)+(12x+57)=180

combine like terms

20x+50 = 180

subtract 50 on both sides

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divide by 20

x = 130/20

x = 13/2

x = 6.5

cpq = 12x+57

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4 0
3 years ago
Suppose a classroom teacher wants to measure whether offering candy as a reward will increase the number of times that a student
ahrayia [7]

Answer:

C) Matched pairs

Step-by-step explanation:

Matched samples (also called matched pairs, paired samples or dependent samples) is a type of sampling that involves pairing participants that share every characteristic except for the one under study. The paired participants could be same individuals studied at different time such as:

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3 years ago
Find the value of X.
levacccp [35]

Answer:

52

Step-by-step explanation:

180 - 127 = 53

53 + 75 = 128

180 - 128 = 52

7 0
2 years ago
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