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amm1812
3 years ago
8

IR + Ir = E solve for I

Mathematics
2 answers:
NNADVOKAT [17]3 years ago
7 0
   
\displaystyle  \\ 
IR + Ir = E  \\ 
I(R + r) = E \\  \\ 
\boxed{I =  \frac{E}{R+r}}



KatRina [158]3 years ago
5 0
IR+Ir=E
I(R+r)=E
I=E/(R+r)

Answer: I=E/(R+r)
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Find the values of the variables in the parallelogram. The diagram is not to scale.
Anna [14]

Answer:

  • Option C

Step-by-step explanation:

  • x = 36° as alternate interior angles are congruent
  • z = 110° as opposite angles of parallelogram are congruent
  • x + y + 110° = 180° as adjacent angles of parallelogram are supplementary
  • y = 180° - 110° - 36° =  34°

Correct choice is C

8 0
2 years ago
5c + 3 -2c + 5 simplify the expression
snow_lady [41]
5c + 3 - 2c + 5

        5c - 2c + 3 + 5
 
               3c + 8 ~~~
3 0
3 years ago
Read 2 more answers
nathan works at a hardware store today he sold 48 tools 5/6 of the tools he sold were hammers how many hammers did nathan sell t
SSSSS [86.1K]

Answer:

He sold 40 hammers.

Step-by-step explanation:

5/6 of 48 tools.

This just means 5/6*48, which is 40.

5 0
3 years ago
When a student sold an Xbox on eBay for $145, she was charged a two-part final value fee: 5.25% of the first $25 of the selling
Contact [7]
Selling Price = $145

Charge on first $25 is 5.25%
5.25% of $25 = \frac{5.25}{100}*25= \frac{5.25}{4} = 1.3125

Charge on rest is 3.25%
rest amount = $145 - $25 = $120
3.25% of $120 = \frac{3.25}{100}*120=3.9

Total\ charge=1.3125+3.9=5.2125 =\boxed{5.21}


6 0
3 years ago
The function T(n) is defined below. Which of the following are equal to T(8)? Check all that apply.
Firdavs [7]
You are told to choose the choices equal to T(8). T(8) means that you need to find the possible ways to write the y-value when n = 8, since 8 is being substituted in for "n."

1) First, plug in n = 8 into the equation you're given, <span>T(n) = 4n - 5:
T(8) = 4(8) - 5
T(8) = 32 - 5
T(8) = 27

That is answer choice C, making choice C correct. You can eliminate choice B, since 27 </span>≠ 37.

2) Check answer choice A. Is T(5) + T(3) = 27? 
T(5) means you need to plug in 5 for n. T(3) means you need to plug in 3 for n.
T(5) + T(3)
=  [4(5) - 5] +  [4(3) - 5]
= [20-5] + [12-5]
= 15 + 7
= 22 

Since 22 ≠ 27, you can eliminate choice A.

3) Check answer choice D. Is T(7) + 4 = 27? T(7) means you need to plug in 7 for n.
T(7) + 4 
= [<span>4(7) - 5] + 4 
</span>= [28 - 5] + 4
= 23 + 4
= 27

Since 27 = 27, answer choice D is also correct!

--------

Answer: Choice C (27) and Choice D (T(7) + 4)
 

4 0
3 years ago
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