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larisa [96]
3 years ago
10

Please help thank you.

Mathematics
1 answer:
Tamiku [17]3 years ago
6 0

Answer:

first solution for first question, and last solution for second questions..

Step-by-step explanation:

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Marina wants to install security cameras in her store, which has dimensions 48 feet by 48 feet. Each camera can view an area of
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1. Use a ratio box to solve this problem. Tammy saved nickels and
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245

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] What percentage of the last 30 U.S. Presidents were inaugurated at the age of 60 or later? (Round to 1 decimal place.)
svetlana [45]

Answer:

20.0%

Step-by-step explanation:

The last 30 presidents of America starts from the 16th president, Abraham Lincoln and ends with the current and 45th president, Donald Trump.

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7 0
3 years ago
There are 196 countries in the world. How many students must be enrolled in a university to guarantee that there are at least 20
cestrela7 [59]

Answer:

At least 39200 students.

Step-by-step explanation:

Given that there are 196 countries in the world, and each country would have at least 200 students in a university.

For each country to have at least 200 students in the university, then;

Number of students enrolled in the university = number of required students x number of countries

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At least, 39200 students must be enrolled in the university. Provided that the admission procedures are conditioned for the purpose.

3 0
3 years ago
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