Answer:
Step-by-step explanation:
2x - 3 = - 21 Add 3
2x = -21 + 3 Combine the right
2x = -18 Divide by 2
x = - 18/2
x = -9
The answer is (B): A few positive particles bounced back because they were pushed away from the positive center.
Answer:what are the options
Step-by-step explanation:
To visualize better, look at it like this:
First, see if you can simplify 3/2. You can't, so leave it like that.
The rule for exponents is you subtract the exponent from the bottom (r) from the exponent on the top ()
Put that on the top, and you get
To not give the answer, I can help find you someway to explain how to find the answer and this way, you can actually learn in the process. https://www.khanacademy.org/math/basic-geo/basic-geo-volume-sa/volume-with-fractions/v/volume-of-a-rectangular-prism-with-fractional-cubes