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kati45 [8]
3 years ago
9

11) Specific resistance is also called ? and is abbreviated with the capital letter K or the Greek letter ρ (rho).

Mathematics
1 answer:
Nuetrik [128]3 years ago
8 0

Answer:

Resistivity

Step-by-step explanation:

Resistivity : It is a fundamental property of a material that measures how strongly a particular material opposes the flow of electric current. It is also known as specific resistance.

  • A low resistivity indicates a material that easily allows the flow of electric current.
  • Resistivity is commonly represented by the Greek letter ρ (rho) or abbreviated with a a capital letter K. The SI unit of electrical resistivity is the ohm-metre (Ω⋅m).

Hence, the correct answer for the blank is Resistivity.


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Which phrase matches the algebraic expression below? (1 point)<br> 3(x + 7) + 10
svp [43]

Answer:

Add 10 to three times  the value of x minus 7.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Suppose that the functions s and t are defined for all real numbers x as follows.
jeka94

Answer:

(s.t)(x) = 4x^2+24x^2\\(s-t)(x) = x+6-4x^2\\(s+t)(-3) = 39

Step-by-step explanation:

Given functions are:

s(x)= x+6\\t(x)= 4x^2

We have to find:

(s.t)(x) => this means we have to multiply the two functions to get the result.

So,

(s.t)(x) = s(x)*t(x)\\= (x+6)(4x^2)\\=4x^2.x+4x^2.6\\=4x^3+24x^2

Also we have to find

(s-t)(x) => we have to subtract function t from function s

(s-t)(x) = s(x) - t(x)\\= (x+6) - (4x^2)\\=x+6-4x^2

Also we have to find,

(s+t)(-3) => first we have to find sum of both functions and then put -3 in place of x

(s+t)(x) = s(x)+t(x)\\= x+6+4x^2

Putting x = -3

= -3+6+4(-3)^2\\=-3+6+4(9)\\=3+36\\=39

Hence,

(s.t)(x) = 4x^2+24x^2\\(s-t)(x) = x+6-4x^2\\(s+t)(-3) = 39

8 0
3 years ago
Whats equivalent to 11 to the 8th power over 11 to the 3rd power
arsen [322]
I did it wrong the first time  you're answer is b. 11*11^4
3 0
3 years ago
Solve. (Enter your answer using interval notation.)<br> |3x + 15| &gt; 21
Katarina [22]

Answer:

(-∞, -12), (2, ∞)

or

(-∞, -12) U (2, ∞)

Step-by-step explanation:

|3x + 15| > 21, |3x + 15| < -21

3x + 15 > 21,  3x + 15 < - 21

     -15    -15         -15     -15

------------------   -------------------

3x > 6               3x < - 36

÷3  ÷3               ÷3     ÷3

------------         ------------------

x > 2                  x < -12

(-∞, -12), (2, ∞)

or

(-∞, -12) U (2, ∞)

I hope this helps!

4 0
1 year ago
Which expression is equivalent to (3^2)^-2?<br> A.)–81<br> B.)–12<br> C.)1/18<br> D.)1/12
kobusy [5.1K]
(3^2)^-2
9
9^-2 = 1/9^2 ---> 1/81
should be 1/81
7 0
3 years ago
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