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masya89 [10]
3 years ago
12

Which of the following is true about the charge of an electron?

Mathematics
1 answer:
natita [175]3 years ago
6 0

Answer:

It is -1.602 x 10^-19 C, and the smallest unit of charge

Step-by-step explanation:

The charge on an electron is 1.6\times 10^{-19}\ C. The charge on electron is negative. The quantization of electric charge is :

q = ne

q is net charge

n is no of electrons

e is the electronic charge which is -1.6\times 10^{-19}\ C. Hence, the correct option is (b).

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An important application of regression analysis in accounting is in the estimation of cost. By collecting data on volume and cos
Amanda [17]

Answer:

Y = 7.60X + 1246.67

Step-by-step explanation:

Given the data:

Production Volume (units) Total Cost ($)

400 4000

450 5000

550 5400

600 5900

700 6400

750 7000

Using technology, the linear regression calculator, the regression model obtained by fitting the data is :

Y = 7.60X + 1246.67 ; which is the model giving the relationship between Production volume, x and total cost, y.

Slope = 7.60

Intercept = 1246.67

6 0
3 years ago
A system of inequalities is graphed below. The variable x represents the number of cans someone is buying, and y represents the
8090 [49]
We have that
<span>We will analyze each case to verify the answer
see the attached figure

</span>Point A) 7 cans and 140 bottles------------> (x,y)=(7,140)----> is not solution
Point B) 12 cans and 40 bottles------------> (x,y)=(12,40)----> is not solution
Point C) 8 cans and 120 bottles------------> (x,y)=(8,120)----> is a solution
Point D) 9 cans and 70 bottles------------> (x,y)=(9,70)-------> is a solution

the answer is
the solutions are
<span>8 cans and 120 bottles
9 cans and 70 bottles</span>

6 0
3 years ago
The sum of a number and its square is 42. Which equation can be used to find the two numbers for which this is true?
tankabanditka [31]

Answer:

x² + x = 42

Step-by-step explanation:

Let the number be x then the square of this number is x²

Sum and equate to 42, that is

x² + x = 42

6 0
2 years ago
The line 3x+4y=24 cuts the x axis at point A and y axis at point B<br><br> Find the lenght if AB
sweet [91]
Length A is (8,0) and the length of B is (0,6)
4 0
3 years ago
Which expression is equivalent to (-3)x+ (-3) (-12)?
julia-pushkina [17]

Answer:

A

Step-by-step explanation:

gimme brainliest

6 0
2 years ago
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