25 points!!! and BRAINLIEST :)
2 answers:
Answer:
Step-by-step explanation:
The answer of this question is asking you to find the length of a hydrogen atom. You can find this by multiplying the diameter of a proton by the relationship between a hydrogen atom and a proton, as such:
You can ignore the coefficients (1.9 and 1) for the time being, but it's important to focus on the degrees. To multiply degrees, you can add the degrees of identical bases (in this case, 10).
So, part of your answer is .
You can retain the 1.9 coefficient from earlier to reach your final answer.
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To find the zeros of this function, we must first set the entire function equal to 0
f(x) = x² - 2x - 15 = 0
Since this is a quadratic function, we must use the quadratic formula, which is:
Let's assign a, b, and c using our first function
x² means a = 1 (because it could be written as 1x²)
-2x means b = -2
-15 means c = -15
Now let's plug those in:
which simplifies to:
Simplified further:
And divide it by the 2 on the bottom gives us:
2+4 = 6
2-4 = -2
So the zeros of this function are -2 and 6
f(x) = x² - 2x - 15 = 0
Since this is a quadratic function, we must use the quadratic formula, which is:
Let's assign a, b, and c using our first function
x² means a = 1 (because it could be written as 1x²)
-2x means b = -2
-15 means c = -15
Now let's plug those in:
which simplifies to:
Simplified further:
And divide it by the 2 on the bottom gives us:
2+4 = 6
2-4 = -2
So the zeros of this function are -2 and 6