Answer:
-11,3
Step-by-step explanation: using foil (x-2)(X+10)=x^2+8x-20
x^2+8x-20-13=13-13 X^2+8x-33=0 factoring you get (x+11)(x-3)=0 so x+11=0
x-3=0
x=-11,3
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Source of magnetic force - Nail
Source electric force - battery cell
<h3>What is an electromagnet?</h3>
We know that the electromagnet is a type of magnet whose magnetic property depends on the interaction of the magnetic material with an electric field. We can see in the image that the nail which serves as the magnetic material is connected to a cell which is the source of the given electric current.
It the follows that the nail above is the source of the magnetic force because the coils of wire while the battery cell is the source of the electrical force.
Learn more about electromagnet:brainly.com/question/3427992
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Answer:
240 inches cubed
Step-by-step explanation:
Volume = L x W x H
Take 8 x 10x 3 = 240
dont forget to put inches cubed (in.^3)
Answer:
2(x+8)
Step-by-step explanation:
Answer:
1 = 1 liter
2 = 1 kiloleter
3 = 1 quart
4 = 1 pint
5 = 1 cup
6 = 1 gallon
Step-by-step explanation:
