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3 years ago

How do you get protons for an element

Advanced Placement (AP)

1 answer:

kakasveta [241]3 years ago

7 0

Answer:

The proton number is found in the periodic table of elements.

Explanation:

<em>The atomic number </em>is the number that defines each element in the periodic table. It accounts on the number of protons in a nucleus of an element, as well as the number of electrons. It is marked by the letter Z.

It should be distinguished from the mass number which is the total number of protons <em>and </em>neutrons inside a nucleus.

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3 years ago

on december 1 2020 eagle company sold machinery to a customer for 22000. the customer could not pay time but agreed to pay 6 mon

Inessa [10]

Answer:

$1320

Explanation:

Data obtained from the question include:

Principal (P) = $22000

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Time (T) = 6 months

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3 years ago

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3 years ago

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3 years ago

Read 2 more answers

Which function is an extended function

likoan [24]

Answer:

D. The last option

Explanation:

You can't divide by 0, so find out when the given function is discontinuous.

$\frac{x^3+3x^2-x-3}{x^2-1} =\frac{x^3+3x^2-x-3}{(x+1)(x-1)}$

You can see that x is discontinuous at x=-1,1, so find a piecewise function that fill in those gaps.

Plug x=-1,1 into your function to find out what values you need to fill in. But of course it's discontinuous at those points, so plug in a number near x=1 and x=-1. I chose x=-1.1 and x=1.1

$f(-1.1)\frac{(-1.1)^3+3(-1.1)^2-(-1.1)-3}{(-1.1)^-1} = 1.9 \approx 2$

$f(1.1)\frac{(1.1)^3+3(1.1)^2-(1.1)-3}{(1.1)^-1} = 4.1 \approx 4$

so we need to fill in 2 at x=-1, and fill in 4 at x=1

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3 years ago