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Darina [25.2K]
3 years ago
11

Simplify 18-3 (15-7/4)squared

Mathematics
1 answer:
FinnZ [79.3K]3 years ago
4 0
The answer should be 508.6875. Let me know if I'm wrong!
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2x +12 - 8x - 7= -10x + 2 + 4x +3.
worty [1.4K]

Answer:

r37grqigohw

Step-by-step explanation:

5 0
3 years ago
Question Help Of 515515 samples of seafood purchased from various kinds of food stores in different regions of a country and gen
Setler79 [48]

Answer:

(0.5848 ; 0.6552)

We are confident that about 58% to 66% of sea foods in the country are Mislabelled.

No, criticism isnt valid and generalization can be made once the assumptions for constructing a confidence interval is met.

Step-by-step explanation:

Sample size, n = 51

p = 0.62

1 - p = 1 - 0.62 = 0.38

n = 515

Confidence level = 90% = Zcritical at 90% = 1.645

Confidence interval = (p ± margin of error)

Margin of Error = Zcritical * sqrt[(p(1-p))/n]

Margin of Error = 1.645 * sqrt[(0.62(0.38))/515]

Margin of Error = 1.645 * 0.0214

Margin of Error = 0.035203

Lower boundary = (0.62 - 0.035203) = 0.584797

Upper boundary = (0.62 + 0.035203) = 0.655203

(0.5848 ; 0.6552)

We are confident that about 58% to 66% of sea foods in the country are Mislabelled.

No, criticism isnt valid and generalization can be made once the assumptions for constructing a confidence interval is met.

3 0
3 years ago
Express the indicated degree of likelihood as a probability value.Your mother did not die two years before you were born.
Sergeeva-Olga [200]

Answer: 1

Step-by-step explanation:

In reality , the child will not born, if mother die before his conception and keeping in mind that the pregnancy takes about 9 months after conception.

Now according to the statement "Your mother could not have died two years before you were born." is always true and therefore the probability equals 1 .

6 0
4 years ago
One day, ms sanders notices that her car’s odometer has exactly 1000 miles on it. She knows she drives 14 miles every day to and
enot [183]
The answer should be 1,084
Explanation: she drives 14 miles to PLA and 14 miles from PLA. that’s 28 miles in a day multiply the 3 days she travels back and forth and it gives you 84 miles, plus the 1000 she already had.
5 0
3 years ago
The longest leg of a right triangle is 30 feet and another side is 20 feet. Find the perimeter of the triangle. Round to the nea
abruzzese [7]

Answer: 72.4 ft

Step-by-step explanation: A2+B2=C2 20squared plus Bsquared=30 22.4 squared plus 20squared equals 30squared and when you add all that together you get 72.4 ft

7 0
4 years ago
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