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irga5000 [103]
2 years ago
14

Simplify: 10x-6(7+x)

Mathematics
2 answers:
Basile [38]2 years ago
8 0

Answer:

4 x − 4 2

Step-by-step explanation:

Juliette [100K]2 years ago
5 0

Answer:

4x−42

Step-by-step explanation:

10x-6(7+x)

Distribute

10x+(−6)(7)+(−6)(x)

combine like terms

10x+−42+−6x

10x-6x-42

4x+−42

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Solve the following word problem using two variables. Show each step of your work.
masha68 [24]

Answer:

John is 16 and Maya is 11

Step-by-step explanation:

x=Maya's age

x+5=John's age

x+x+5=27

2x+5=27

     -5   -5

2x=22

/2    /2

x=11

x+5=

11+5= 16

7 0
2 years ago
6. Lamont keeps track of his math grades by recording them
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a

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7 0
3 years ago
-5/4 divided by 2 3/4
MArishka [77]
-5/11 is what I got with a fraction calculator.
6 0
2 years ago
Please find the question
melisa1 [442]

Answer:

By distance formula ,

AB² = (5+1)² + (3-6)²

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6 0
3 years ago
A two-factor research study has 2 levels of factor A and 3 levels of factor B with a separate sample of n = 5 subjects in each t
amid [387]

Answer:

option (b) df = 1, 24

Step-by-step explanation:

Data provided in the question:

levels of factor A, a = 2

levels of factor B, b = 3

Subjects in each Sample, s = 5

n = 5 × 3 × 2 = 30

Now

df for Factor A = a - 1

= 2 - 1

= 1

df for Factor B = b - 1

= 3 - 1

= 2

df for Interaction AB = ( a - 1 ) × ( b - 1 )

= 1  × 2

= 2

df for Total = n - 1

= 30 - 1

= 29

df for error = 29 - 5

= 24

Hence,

df values for the F-ratio evaluating the main effect of factor A is 1, 24

The correct answer is option (b) df = 1, 24

6 0
3 years ago
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