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astraxan [27]
3 years ago
6

What is the solution to this equation?

Mathematics
2 answers:
Diano4ka-milaya [45]3 years ago
5 0

Answer:

C. x=13

Step-by-step explanation:

add the 13 to the -4 and you will get your 9

Leona [35]3 years ago
4 0

Answer:

  • D

Step-by-step explanation:

You would plugin the x value into the equation which would look something like.

-13+9=-4

which when you simplify you get

-4=-4

Which is true so D is correct

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Select the correct answer from each drop-down menu.
Oksi-84 [34.3K]

Answer:

we \: have \: ohms \: law \: h =  {i}^{2} rt \\  \frac{h}{t}  =  {i}^{2} rt \div t = p \\  p =  {i}^{2} r....(1) \\ we \: have \: v = ir \\ i =  \frac{v}{r} .....(2) \\ put \: (2) \: in \: (1) \\ then \: p =  { (\frac{v}{r}) }^{2} r \\ p =  \frac{ {v}^{2} }{r}  \\ v =  \sqrt{pr}  =  {(pr)}^{ \frac{1}{2} }  \\ 2) \\ here \: r = 32 \: and \: p = .5 \\ then \: v =  \sqrt{32 \times .5}  \\  =  \sqrt{16}  = 4volt \\ thank \: you

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