3 years ago

Can someone help me with this

Mathematics

1 answer:

Kitty [74]3 years ago

4 0

You can't see the picture, please reach out once i can see it

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Solve the given equation.<br><br><br><br> 6p = 72

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The answer is p=12....

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3 years ago

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Enter your answer in the provided box. what is the emf of a cell consisting of a pb2 / pb half-cell and a pt / h / h2 half-cell

s2008m [1.1K]

The emf of a cell is mathematically given as

$E_{cell}$ = 0.0532 v

Generally, the equation for emf is mathematically given as

$Pb/Pb^2^+ //\ H / H_2$

where,

Pb is lead

H is hydrogen

$Pb^{2+}$ / Pb has a standard reduction potential of -0.126 volts, while

$H_2$ / $H_2$ has a standard reduction potential of 0.0 volts.

$E_{cell }= E^0_{cell} - 0.059/n log 1/$ $[Pb^2^+] x [H^+]^2$

$E_{cell}$ = 0.126 - 0.059/2 log 1 / [0.57] x [0.09]^2

$E_{cell}$ = 0.0532 v

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2 years ago

What is plane z in this image

denpristay [2]

Answer:

the left side of the line

Step-by-step explanation:

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3 years ago

Suppose you like to keep a jar of change on your desk. Currently, the jar contains the following: 2323 Pennies 55 Dimes 2020 Nic

GaryK [48]

Answer:

The answer is "0.081"

Step-by-step explanation:

Dimes $= 55$

Calculating total coins $= (23+55+20+19) = 117$

P(for a dime) $= \frac{55}{117}$

Calculating remaining coins $= 116$

Nickels $= 20$

P(for nickel draw in second) $= \frac{20}{116}$

P(for a dime after that a nickel, without replacement)

$= \frac{55}{117} \times \frac{20}{116} \\\\= \frac{1100}{13572} \\\\=0.081$

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3 years ago

What are the center and radius of a circle defined by the equation x^2+y^2- 6x+ 8y+ 21=0?

Natali5045456 [20]

You have to complete the square. When you do this you get an equation that looks like this: (x-3)^2 + (y+4)^2 = 4. So your center is (3, -4) and your radius is 2. That looks like B to me!!!

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3 years ago

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