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iren2701 [21]
3 years ago
14

Kelly’s scores for the last seven quizzes are 92,77,83,80,97,88, and 78 what is her mean quiz score

Mathematics
2 answers:
Sholpan [36]3 years ago
8 0

Answer:

85

Step-by-step explanation:

Add all of the numbers to get 595

Divide it by the amount of numbers

595/7

Which equals 85

Allushta [10]3 years ago
4 0

Answer:

80

Step-by-step explanation:

80 is the main score I think.....

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nirvana33 [79]
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Find f(4) please, I need help
mixer [17]

Answer:

f(4) = 1

Step-by-step explanation:

f(4) = what?

So if we know that x, aka 4, is technicially f is greater then 2, so you can plug in x as 4. So that means 5(4) - 19 = 20 - 19 = 1, so f(4) = 1

7 0
3 years ago
You purchase a car in 2010 for $25,000. The value of the car decreases by 14% annually. What would the value of the car be in 20
Fed [463]

Answer: -$6,500

Step-by-step explanation:

Here we could , use the arithmetic progression where

T(2020 - 2010) = a + ( n - 1 )d

T10 = a + ( 10 - 1 )d --------------- 1

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Note since it decreases the common difference d = -$3,500.

Now substitute for the values in the equation above.

T10 = 25,000 + 9 x -3,500

= $25,000 - $31,500

= -$6,500 (deficit )

4 0
3 years ago
7. These number share the same percentage
otez555 [7]
Answer: 30

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24x 0.25= 6
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(Or 24x1.25=30)
7 0
2 years ago
Pls help best answer gets brainest
sashaice [31]

Answer:

0.6

Step-by-step explanation:

Positive is right and Negative is left. Move from 0 right to 1.4 and then move left 0.8 units to end up at 0.6

6 0
3 years ago
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