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3 years ago

Giving brainleist. what is 9 + 10

Mathematics

2 answers:

marissa [1.9K]3 years ago

8 0

19 it’s just simple math

iren2701 [21]3 years ago

7 0

21 because 9+10 is actually 21

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3 years ago

Rewrite exponential expressions

Dahasolnce [82]

Answer:

A = 48

Step-by-step explanation:

In this equation, we can factor out the expression $(\frac{1}{7} )^x$ . If we do so, the expression becomes:

$(\frac{1}{7})^x((\frac{1}{7})^{-2} - 1)$

We can simplify to get:

$(\frac{1}{7} )^x(49 - 1)$

and get:

$48*(\frac{1}{7})^x$

Therefore, A = 48

8 0

2 years ago

Harry has decided to give his collection of 24 old coins to his four grandsons. John, the oldest, gets half the collection. Walt

Aleksandr [31]

John gets 12, Walt, Matt, and Richie get 4 each

5 0

3 years ago

Read 2 more answers

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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3 years ago