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tamaranim1 [39]
2 years ago
15

Which object is the best conductor of electricity?

Mathematics
1 answer:
gulaghasi [49]2 years ago
5 0

Answer:

D. Metal Nail

a good conductor is something metalic which can easily make electricity pass through it.

BRAINLIEST PLEASE

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Can someone please answer 8|x+2|-6=5|x+2|+3
Anettt [7]

Step-by-step explanation:

8|x+2|-6=5|x+2|+3

|8x+16|-6=|5x+10|+3

I've been thinking... Is that | or (? Are you sure it's |?

Oh well, I'm continuing...

8x+16-6=5x+10+3

8x+10=5x+13

3x=3

x=1

4 0
3 years ago
Side a of the triangle is a utility pole. Henry would like to know how long the guy wire, c, should be.
jasenka [17]

We know that the pole is perpendicular to the ground

And that the length of the pole is 20 feet tall, and the base is 15 feet

Now, the guy wire is a wire that provides support to the pole by connecting the top of the pole to the ground

So this represents a right angled triangle (refer image), and the hypotenuse is the length of the guy wire

Using Pythagoras theorem, we can find out the length of the hypotenuse

⇒ Hypotenuse² = Perpendicular² + Base²

⇒ Hypotenuse² = 20² + 15²

⇒ Hypotenuse² = 400+225

⇒ Hypotenuse² = 625

⇒ Hypotenuse = √625

⇒ Hypotenuse = 25

Hence, the correct option is B  25 ft.

6 0
3 years ago
Eddie made a video. The video included a 5-minute introduction followed by short segments. • Each segment was 8 minutes long • E
GalinKa [24]

Answer:

B - 18

Step-by-step explanation:

149 total minutes minus 5 for the introductions leaves 144.

144/5=18

5 0
3 years ago
PLEASE NEED ANSWER HELP ASAP
Aleks04 [339]

Answer:

VW=18

Step-by-step explanation:

UV+VW=UW

10+4x=6x+1

2x=9

x=9/2

VW=4x

VW=4*9/2

VW=18

8 0
3 years ago
Read 2 more answers
Find the zeros of polynomial function.<br> f(x)=x^2-x-90
Fofino [41]

First step is to factor. With a polynomial function in the form ax² + bx + c = f(x), we have to find what factors of term C have a sum of term B.

So with this, we need factors of -90 add up to become -1. Your factors are - 10 and 9.

f(x) = x² + 9x - 10x - 90

Now we group together and pull out GCFs.

f(x) = (x² + 9x) + (10x - 90)

f(x) = x(x² + 9) - 10(x + 9)

f(x) = (x - 10)(x + 9)

Now, set each factor equal to zero.

x - 10 = 0, x + 9 = 0

For the first equation you are going to add 10 to both sides to get x by itself. Subtract 9 from both sides in the second equation for the same reason.

x = 10, x = -9

Your zeros are at x = -9, 10 or at the ordered pairs (-9, 0) and (10, 0).

7 0
2 years ago
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