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Scrat [10]
2 years ago
14

The mean of 4 numbers is 19. What would the new mean be if the number 30 is added to the data set?

Mathematics
1 answer:
german2 years ago
8 0

Answer:

B 21.2

Step-by-step explanation:

Im not sure at all tho. But I hope this helps :/

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Use the distributive property to simplify the following expression -2(x+3)
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Answer:

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Step-by-step explanation:

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5 0
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Topic/Objective: Function Applications pp. 228-252
e-lub [12.9K]
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3 years ago
Can you solve it ????
Dima020 [189]
Angle ABD=87 degrees
angle ABC+angle CBD= angle ABD
Therefore, 9x-1+6x+58=87
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x=30/15
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=17 degrees


7 0
3 years ago
What is proportional reasoning and how does it help you solve percent equations?
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