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Mrrafil [7]
3 years ago
5

Select the correct answer. Which statement about an electromagnet is true? A. It doesn’t function without a source of current. B

. The core is made from a nonmagnetic material. C. It uses moving magnets to create an electric field. D. It creates a permanent and strong magnetic field.
Mathematics
1 answer:
zubka84 [21]3 years ago
3 0

Answer:I’m going to say it’s A I apologize if it’s wrong

Step-by-step explanation:

Magnets are magnetic fields that compares together when attracted close to one another so that’s Why I’m choosing A because it’s close to what I think

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Divide<br> r2/r12<br><br> Answers<br><br> a. r10<br> b. 1/r6 <br> c. 1/r10<br> d.r8<br> e. r6
Zigmanuir [339]

Answer:1 over r to the power of 10 or C

Step-by-step explanation:

5 0
2 years ago
The variables x and y have a proportional relationship: when x is 5, y is 8.
Alenkasestr [34]

Answer:

1.6

Step-by-step explanation:

Since y = 8

And x = 5,

You divide both values by the X Value

8 divided by 5 = 1.6

5 divided by 5 = 1

the ratio is 1:1.6

So the constant is 1.6

6 0
2 years ago
What is this I’m in a hurry please help :(
Nesterboy [21]
I'm pretty sure the answer is D bc it has the same coefficients and the same numbers
4 0
3 years ago
How can finding the slopes of MN and AB help in proving that MN is the midsegment of triangle ABC?
Mademuasel [1]
Mid-segment and bottom side of the triangle is always parallel to each other, and parallel lines must have same slopes, so if their slopes are equal, then MN would be mid-segment of side AB in Triangle ABC

Hope this helps!
4 0
3 years ago
Read 2 more answers
The length of a car’s skid mark in feet is given by L = 0.046s
Alexxandr [17]
<span>100 = 0.046s^2 - 0.199s + 0.264 
0 = 0.046s^2 - 0.199s - 99.736 
s= 48.77691127... or -44.45082431 (reject) 

The car's speed was approximately 48.8 mph.</span>
6 0
3 years ago
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