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2 years ago

Question 8

1 answer:

4 0

Based on the thickness of the rubber insulation and outside diameter, the diameter of the copper conductor is 0.376 inch.

<h3>What is the copper wire's diameter?</h3>

The diameter of the copper wire can be found by the formula:

= Outer diameter - ( 2 x cotton insulation) - (2 x rubber insulation)

Solving gives:

= 500/ 1,000 - (2 x 12/ 1,000) - (2 x 50 / 1,000)

= 0.5 - (2 x 0.12) - (2 x 0.05)

= 0.376 inch

= 376 / 1,000 inch

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Please tell me answer! i’ll give brainliest

NemiM [27]

Answer:

<em>Answer: B. It is a perfect square</em>

Step-by-step explanation:

<u>Radical Expressions</u>

Melissa multiplied $\sqrt{a}$ and $\sqrt{b}$ and got a rational number.

We are also given that a and b are both natural numbers. It means their product must be not only rational but also a natural number.

We can write that product like:

$\sqrt{a} \cdot \sqrt{b}=\sqrt{a\cdot b}$

If the result is a natural number, then the product of a and b must be a perfect square. so the radical disappears.

Answer: B. It is a perfect square

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3 years ago

Find the area of the triangle having the given measurements.

frutty [35]

Answer:

area of a triangle is 1/2bc sin Thither

1/2 18×44sin 42

396sin42

264.98

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3 years ago

Ethan and Adrian are reading the same book. At the beginning of the month, Ethan was on page 18 and Adrian was on page 45. Ethan

xxMikexx [17]

The equations are e = 18+12t and a = 45+9t

Adrian will be father along in the book after 4 days. She will be 15 pages ahead of Ethan

Ethan's page number at the beginning of the month = 18

Adrian's page number at the beginning of the month = 45

Pages read by Ethan each day = 12 pages

Pages read by Adrian each day = 9 pages

Let e represent the page of the book that Ethan is on at the end of t days into the month. Let a represent the page of the book that Adrian is on at the end of t days into the month.

Formulating the equation we get the following:

e = 18 + 12t

a = 45 + 9t

Finding the page number of both Ethan and Adrian after 4 days by substituting the values in the equations we get:

e = 18+12(4)

e = 66

a = 45 + 9(4)

a = 81

Learn more about linear equations:

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4 0

1 year ago

Deb wants to organize a group of friends to go to a karaoke studio Friday night. She must pay $30 to reserve a private karaoke r

olga55 [171]

Answer: five or six people

so try 5 or 6 in the ___x area and put 30 in the second blank space

Step-by-step explanation: well we already know she has to pay 30 dollars for the room. so 65 minus 30 is 35, we have to spend 35 dollars on her friends and snacks if she has 3 friends and one 2 dollar snack for each friend that will be 21 so 35 plus 21 is 56continuing the process she could probaly have 5 or 6 people

5 0

2 years ago

Graph the quadratic functions y = -2x^2 and y = -2x^2 + 4 on a seperate piece of paper. Using those graphs, compare and contrast

Andrei [34K]

Answer:

Shape is parabolic and there is translation of 4 unit upward.

Step-by-step explanation:

Given : The quadratic functions $y = -2x^2$ and $y = -2x^2 + 4$