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shepuryov [24]
2 years ago
9

(IM GIVING BRAINLIEST IF U HELP!!)

Mathematics
1 answer:
Alex17521 [72]2 years ago
6 0

A is the correct option:) Three ways electrons can be transferred are conduction, friction, and polarization. In each case, the total charge remains the same. This is the law of conservation of charge. Conduction occurs when there is direct contact between materials that differ in their ability to give up or accept electrons.

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State the value of the expression<br> (4.1 × 10^2)(2,4 × 10^3) over (1.5 × 10^7)
Gekata [30.6K]
\frac{(4.1\cdot10^2)(2.4\cdot10^3)}{1.5\cdot10^7}=\frac{4.1\cdot2.4}{1.5}\cdot10^{2+3-7}=6.56\cdot10^{-2}=0.0656
5 0
3 years ago
Read 2 more answers
The diagram shows a track composed with a semicircle on each end. The area of the rectangle is 8,400 square meters. What is the
MrRa [10]

Answer:

468.4 meters

Step-by-step explanation:

Find the width of the rectangle.

The area of a rectangle is A=length*width. Substitute the values of length and area and solve for width.

A=length*width

8,400=140*width

60= width

Use the width of the rectangle to find the circumference of the semicircles. Since each semicircle is half of a​ circle, the perimeter of the two semicircles is equal to the circumference of one circle.

The circumference of a circle is equal to pi​d, where d is the diameter. The diameter of the semicircle is the same as  the width of the rectangle.

​So, the diameter is 60 meters. Substitute the diameter into the formula for the circumference and simplify using 3.14 for pi.

≈188.4

(2 times 140)+ 188.4

​So, the perimeter of the track is 468.4 meters.

7 0
3 years ago
What is the image of (-9,-1) after a dilation by a scale of 2 centered at the origin
Dafna1 [17]
The answer is (-18, -2). Just multiply by 2!
8 0
3 years ago
Resolve into factor<br><br>p⁴+7p²q²+16q⁴​
dangina [55]

Answer:

15 q4. + 7p2q2 is the correct answer

8 0
2 years ago
PLEASE HELPPPPP!!! GIVING BRAINLIEST!!!!
lina2011 [118]

The integers that make the linear equation false are:

3, 78, and 126

We found that by evaluating the equation in all the options.

<h3>Which integers make the equation false?</h3>

Here we have the linear equation:

8m - 15 = 5m + 63

And the possible solutions are:

S: {3, 26, 78, 126}

To see which of these integers make the equation false, we can replace the value of m by the given values and see when the equation is false (the number in the left is different to the one in the right).

if m = 3

8*3 - 15 = 5*3 + 63

9 = 78    this is false.

if m = 26

8*26 - 15 = 5*26 + 63

193 = 193  this is true.

if m = 78

8*78 - 15 = 5*78 + 63

609 = 453  this is false.

if m= 126

8*126 - 15  = 5*126 + 63

993 = 693  this is false.

So the integers that make the equation false are:

3, 78, and 126.

Learn more about linear equations:

brainly.com/question/1884491

#SPJ1

5 0
1 year ago
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