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diamong [38]
3 years ago
12

the total resistance is an electrical circuit consisting of three heater elements is 14.7 ohms.the resistance of two heater elem

ents are 5.57 ohms and 4.91 ohms. find the resistance of the third heater element.
Mathematics
1 answer:
Ugo [173]3 years ago
5 0

We need to know whether all three are in series, all three are
in parallel, or one is in series with the parallel combination of
the other two.

If one is in series with the other two in parallel, then we need
to know the positions of the 5.57 ohms and the 4.91 ohms. 

The answer is different for each of those cases, and I'm not
about to sit here and work out all the possible answers, for
5 points.

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HURRYYYYY
Troyanec [42]

Answer:

B is correct.

Step-by-step explanation:

Quadratic Expression (Standard Form) is:

\displaystyle \large{a {x}^{2}  + bx + c}

To say it simply, the expression must have 2 as the highest degree.

This means that if there are any higher or lower degrees than 2 then they are not quadratic expression.

A choice is not quadratic expression because it has 1 as the highest degree.

B choice is correct because 2 is the highest degree.

C choice is wrong because 3 is the highest degree.

D choice is wrong because it is not a polynomial.

Therefore, B is correct.

7 0
3 years ago
Solve the equation.<br> 7x2 + 5 - x = 6x2 + 10<br> X =<br> 20<br> It
Georgia [21]

Answer:

1 +√21 + 1 - √21
2 2

Step-by-step explanation:

8 0
2 years ago
Select the correct answer from the drop-down menu.
Contact [7]

Answer:

The correct option is C.

C) -x + 2

Step-by-step explanation:

In mathematics, the term which is being divided is called a dividend. The term by which the dividend is getting divided is called a divisor. The quotient is the term we get after dividing the dividend by a divisor.

Here in this case, the dividend is written.

-x²    x    x

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add the x terms to simplify

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The divisor is given as x, divide the equation by x:

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(-x²/x) + (2x/x)

-x+2

Which is the quotient.

4 0
4 years ago
the average adult horse needs 2/5 bale of hay each day to meet dietary requirements And horse farm has 44 bales of hay. How many
adoni [48]
To be honest I dont really understand this question... if i did i would answer but... i love horses xp
7 0
3 years ago
Read 2 more answers
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True [87]

1 : 16

2 : 32

4 : 64

6 : 96

12 : 192

You find these by multiplying the pounds by ounces

So, 2 pounds * 16 ounces = 32 ounces.

4 0
3 years ago
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