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Andru [333]
3 years ago
15

5x + 6y when x = 16, y = -9

Mathematics
1 answer:
atroni [7]3 years ago
5 0

Answer:

26

Step-by-step explanation:

5x+6y

substitute x=16 and y=-9:

5*16+6*(-9)

=80-54

=26

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jayfeather friend me

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1

8

=

3

(

3

−

6

)

1

8

=

9

−

1

8

2

Add

1

8

18

18

to both sides of the equation

3

Simplify

4

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5

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3 0
3 years ago
Suppose the average math SAT score for students enrolled at local community college is 490.4 with a standard deviation of 63.7.
lakkis [162]

Answer:

Option B) 9.1      

Step-by-step explanation:

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=\dfrac{\sigma}{\sqrt{n}}

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Thus, the correct answer is

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