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LUCKY_DIMON [66]
3 years ago
8

Need Help With This:​

Mathematics
2 answers:
Amanda [17]3 years ago
8 0
Answer:
64

Explanation:
Step 1 - Simplify the parentheses

2^5 / 2^3 • (4 - 2)^4
2^5 / 2^3 • 2^4

Step 2 - Use this formula: a / b/c = a • c/b and simplify

2^5 / 2^3 • 2^4
2^5 • 1/2^3 • 2^4
32 • 1/8 • 16

Step 3 - Divide

32 • 1/8 • 16
32 • 1 • 16/ 8
512/8

Step 4 - Simplify

512/8
64
Mekhanik [1.2K]3 years ago
3 0
You want to use PEMDAS to solve this problem.
So we do the parentheses first (4-2) = 2
Then you would do the exponent next
2 to the 5th power is 32
2 to the 3rd power is 8
(2) to the 4th power is 16
32 / 8 • 16
Then we want to do Multiplication and division from what ever comes first so in this case 32/8, which will equal 4 then we multiple 4 with 16 making the answer 64
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You are testing the claim that the proportion of men who own cats is significantly different than the proportion of women who ow
otez555 [7]

Answer:

Step-by-step explanation:

This is a test of 2 population proportions. Let 1 and 2 be the subscript for the men and women who own cats respectively. The population proportion of men and women who own cats would be p1 and p2 respectively.

p1 - p2 = difference in the proportion of men and women who own cats.

The null hypothesis is

H0 : p1 = p2

p1 - p2 = 0

The alternative hypothesis is

Ha : p1 ≠ p2

p1 - p2 ≠ 0

it is a two tailed test

Sample proportion = x/n

Where

x represents number of success

n represents number of samples

For men

n1 = 80

p1 = 55/100 = 0.55

x1 = p1n1 = 0.55 × 80 = 44

For women,

n2 = 100

p2 = 30/100 = 0.3

x2 = p2n2 = 0.3 × 100 = 30

The pooled proportion, pc is

pc = (x1 + x2)/(n1 + n2)

pc = (44 + 30)/(80 + 100) = 0.41

1 - pc = 1 - 0.41 = 0.59

z = (p1 - p2)/√pc(1 - pc)(1/n1 + 1/n2)

z = (0.55 - 0.3)/√(0.41)(0.59)(1/80 + 1/100) = 3.39

Test statistic = 3.39

5 0
4 years ago
Solve completely by using the square root property
Jobisdone [24]

punta 
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3 0
3 years ago
Really need help<br> Hurryyyyyyy
hram777 [196]

Answer:

The Answer is B

Ive hade this test before



5 0
3 years ago
Maranda earns $42 in three hours Jabrill earn $78 in six hours which worker earns more per hour
RoseWind [281]

Answer:

jabrill

Step-by-step explanation:

42 dived by 3 = 14

78 dived by 4=13

6 0
2 years ago
What's the answer for <br> x/2-5=3
kifflom [539]
X=16


I use Tiger Algebra for help and it gives me all the correct work and answers as i need them!! TRY USING IT TODAY!!!!! 
4 0
3 years ago
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