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Soloha48 [4]
3 years ago
6

The relation {(-1, 4), (2, 7), (3, 7)} is a function.

Mathematics
1 answer:
scoray [572]3 years ago
4 0
It is a function because the X does not repeat. If the X repeat then it is not function for example.
(2,4), (5,6), (2,8) if it repeat like this then it is not function
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Please help! Due tomorrow!!!
Elodia [21]

Answer:

y=7.5x+6.2

Step-by-step explanation:

Hopefully this is the answer

5 0
3 years ago
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

<h3>What is the emf of a cell?</h3>

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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6 0
2 years ago
One positive integer is 5 times another positive integer and their product is 320. What are the positive integers?​
seropon [69]

Answer:

The integers are (x, y) = (40, 8).

Step-by-step explanation:

x = 5y

xy = 320

Substitute the first equation into the second equation.

(5y)(y) = 320

5y^2 = 320

y^2 = 64

y = 8 (y must be positive)

The integers are (x, y) = (40, 8).

6 0
3 years ago
5. What is the graph of the equation?<br> -5x + y=-3
Mariulka [41]

Answer:

Plot y=5x-3

Step-by-step explanation:

6 0
3 years ago
If two angels are supplementary and one of them is 30 degrees what is the measurement for the second angle
drek231 [11]
Two angles are supplementary if they add up to 180°.

?+ 30°= 180°
⇒ ?= 180° -30°
⇒ ?= 150°

The measurement of the second angle is 150°.
6 0
3 years ago
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