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earnstyle [38]
3 years ago
14

How many protons are in an element with an atomic number of 8 and a mass number of 18?

Mathematics
2 answers:
Orlov [11]3 years ago
8 0
A)8,atomic number also means proton number
aleksandrvk [35]3 years ago
4 0
Since the atomic number is 8 that will be the number of protons given that the element is a neutral element meaning that the number of protons and electrons are the same. Therefore the answer is 8
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I need help on this question
barxatty [35]
I believe this is pythag

15^2 x 11^2 = 27225

(square root) of 27225 = 165

165ft
6 0
3 years ago
Sreya bought shoes for $37.57 and x pairs of socks for $1.95 each. Which expression shows the total money spent? (1 point) 37.57
Eva8 [605]

Answer:

37.57 + 1.95x

Step-by-step explanation:

The cost of the shoes is a constant, and we don't know how many socks she bought, but we know that for every pair of socks she bought, they cost would be 1.95. Since we haven't been given the total cost of the purchase, meaning how much the total was, this will be an expression. We will multiply an x against the amount (1.95), which will calculate the price for how many socks were purchased. This means the answer will be 37.57 + 1.95x.

I will clarify a little bit more on why the other answers are incorrect. The first option is 37.57x + 1.95. This is incorrect because the question is not asking how many shoes were bought, but it is questioning how many socks were bought. Option number two states 37.57x + 1.95x. This means that the number of socks and shoes are both unknown, and the question does not state that. Also, another point to make would be that we could also add these variables together, and we do not want that. Option number three states 37.57 + 1.95 + x. X cannot be a separate variable, because by stating that, it means that there would be one more object that was bought that is unknown. I hope this helps you understand my explanation a bit more.

Have a great day, and best of luck for your math problem!

4 0
3 years ago
Write the equations after translating the graph of y = | 1/2 x -2 | + 3 one unit to the right
spin [16.1K]

Using translation concepts, the equation of the graph is:

y = |0.5x - 2.5| + 3.

<h3>What is a translation?</h3>

A translation is represented by a change in the function graph, according to operations such as multiplication or sum/subtraction in it's definition.

The function is:

y = |0.5x - 2| + 3.

When it is shifted one unit to the right, we have that x -> x - 1, hence:

y = |0.5(x - 1) - 2| + 3

y = |0.5x - 2.5| + 3.

More can be learned about translation concepts at brainly.com/question/4521517

#SPJ1

5 0
2 years ago
I will mark you brainliest!!! Identify the type of function.
Ymorist [56]

Answer:

quadratic

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
What is 39,265 to the nearest ten thousand
Kamila [148]

Answer:

40,000 is 39,265 rounded to the nearest ten thousands

Step-by-step explanation:

7 0
3 years ago
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