Chemistry
What are the various uses of radioactivity in healthcare? What are the future trends in healthcare with respect to the use of radioactivity?
Math
Please someone help!
Math
Billy is standing 80 feet from the base of a building. The angle of elevation to the top of the building is 35 degrees. If the distance from Billy's eyes to the ground is five feet, how tall is the building?
Algebra 1
The x intercept is 9, and the y intercept is 9. Just plug in 0 for x to get y and 0 for y to get x!
math
the sale of drawing is 1/4 in. = 12 ft. find the atual measurement
Chemistry
A robust first grader goes for swimming lessons three times a week, and he enjoys it thoroughly. During the first week of December, he develops an upper respiratory infection, starts coughing continuously, and has a high fever of 39°C. His condition remains the same even a...
Stats
You are allowed to choose four whole numbers from 1 to 10 (including 1 and 10). You can only choose each number once though. Which of the following statements is FALSE? A. The numbers 4, 5, 6, and 7 have the smallest possible standard deviation. B. The numbers 1, 2, 3, and 4 ...
geometry
To the nearest tenth, what's the distance between the points k(7,-10) and M (1,4)
math
I figured these out, thanks anyway. they are: 2 42 and 62 81 and 144
math
I am a prime number. I am less than 40. I am 1 more than a multiple of 5. What number am I? I am a 2 digit number. My ones digit is 2. My tens digit is even. I am between 30 and 70. what number am i? I think either 42 or 62. I am a square number. I am more than 50. My digits t...
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