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3 years ago

Please help me with this problem

Mathematics

1 answer:

ziro4ka [17]3 years ago

5 0

Answer:

dnsjsjdkdksldnd xidjdbdksksjdkdnjddj

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Explain the error Tina says that 6:8 is equivalent to 36:64 what did tina do wrong

brilliants [131]

Tina said that 6:8 is equal to 36:64.
It's wrong. It should be 48:64. Because just like a fraction, whatever you multiply in the bottom, you do to the top.

8 0

3 years ago

Read 2 more answers

9−4= tysryghj yhuhyay5y65y

White raven [17]

Answer:

Step-by-step explanation:

idek how to explain

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3 years ago

A sample of 100 people is classified by gender (male/female) and by whether they are registered voters. The sample consists of 8

uysha [10]

Answer:

Step-by-step explanation:

Given :

Male Female Total

Registered 60

Non registered 40

Total 20 80

Solution :

N= 100

Formula of expected frequency = $E_{ij}=\frac{T_i \times T_j}{N}$

$E_{ij}$ = expected frequency for the ith row/jth columm.

$T_i$ = total in the ith row

$T_j$ = total in the jth column

N = table grand total.

So, using formula $E_{11}=\frac{T_1 \times T_1}{100}$

$E_{11}=\frac{60 \times 20}{100}$

$E_{11}=12$

$E_{12}=\frac{T_1 \times T_2}{100}$

$E_{12}=\frac{60 \times 80}{100}$

$E_{12}=48$

$E_{21}=\frac{T_2 \times T_1}{100}$

$E_{21}=\frac{40 \times 20}{100}$

$E_{21}=8$

$E_{22}=\frac{T_2 \times T_2}{100}$

$E_{22]=\frac{80 \times 40}{100}$

$E_{22}=32$

Expected frequency table

Male Female Total

Registered 12 48 60

Non registered 8 32 40

Total 20 80

So, the expected frequency for males who are registered voters are $E_{11}=12$

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3 years ago

Simplify 30! / 28!<br><br> Please post the correct answer. Don’t send links

viva [34]

The answer is
3 divided by 2
Hope this helped

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2 years ago

Solve. for. c m=c-s

podryga [215]

Answer:

s-c= m c

Step-by-step explanation:

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2 years ago