The correct answer is the first choice: (-3/2 , 9/2),
To find the new points, you have to perform both of the transformations listed. First is a dilation by 3/2. Then, a second dilation must be performed by 1/2.
This means you multiply the values by 3/2, then 1/2.
The points changes from (-2, 6) to (-3, 9) to (-3/2, 9/2).
Which number is 1,000 less than 24,819 do 24,819-1000=23,819
Which number is 1,000 greater than 28,283 do 28,283+1,000=29,283 Answer choice B
The other questions are un readable
The answer is Beryllium atom has a larger radius by 2 times.
Nitrogen atom: 5.6 × 10⁻¹¹ = 5.6 × 10⁻¹⁻¹⁰ = 5.6 × 10⁻¹ × 10⁻¹⁰ = 0.56 × 10⁻¹⁰
Beryllium atom: 1.12 × 10⁻¹⁰
Since 1.12 is bigger than 0.56, then the radius of beryllium atom is larger of the radius of nitrogen atom. Let's see by how many times:
1.12 × 10⁻¹⁰ : 0.56 × 10⁻¹⁰ = 1.12 : 0.56 = 2
The standard deviation is the square root of the variance
so if the variance is 196, then the standard deviation is the sqrt of 196, which is 14
