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sleet_krkn [62]
2 years ago
9

What is electroplating? anyone free to talk?​

Mathematics
2 answers:
Lerok [7]2 years ago
8 0

Answer:

(a metal object) by electrolytic deposition with chromium, silver, or another metal.

Example: "the bullets are electroplated with copper to form a jacket"

Nookie1986 [14]2 years ago
6 0

Electroplating is basically the process of plating a metal onto the other by hydrolysis mostly to prevent corrosion of metal or for decorative purposes. The process uses an electric current to reduce dissolved metal cations to develop a lean coherent metal coating on the electrode.

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A jar contains 5 blue marbles, 7 yellow marbles, and 8 green marbles. What is the probability of randomly choosing a blue marble
polet [3.4K]
I want to say about 27% but I am not completely sure
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2 years ago
Why are the divisibility rules for 2, 3, and 5 very useful for determining prime and composite numbers
zavuch27 [327]

Answer:

option 3.

Step-by-step explanation:

alright, ima explain each option.

1. "smallest odd numbers" 2 is an even number. that's out of the playing field.

2. "add up to 10" sure, they do add up to 10, but finding prime and composite numbers are all about division and multiplication.

3. this is true. 2, 3, and 5 are all prime numbers, and they have the nice divisibility rules. [ for 2, it has to be even, for 5, it has to end in 0 or 5, and 3 has to have the sum of its digits being divisible by 3. ]

4. they do multiply to 30, but this does not help break the composite numbers down.

5. we cannot make every number with just these. we can not multiply any other whole number to get 7 for per example, because it's a prime number.

sub to gauthmath sub reddit if ya can !

5 0
2 years ago
7. GEOGRAPHY The discharge of a river
Rama09 [41]

Answer:

10 m

Step-by-step explanation:

Given:

The discharge of water is equal to the product of of its width, its average depth and its speed.

Let D be discharge of water, w be its width, h be its average depth and v be its speed.

So, D=vwh

As per question,

D=3198\textrm{ }m^{3},w=533\textrm{ m},v=0.6\textrm{ }m/s

Plug in the above values and solve for h.

3198=0.6\times 533\times h\\3198=319.8h\\h=\frac{3198}{319.8}=10\textrm{ m}

Therefore, the average depth of the Mississippi river is 10 m.

8 0
3 years ago
Please help me I don’t understand!!!
horrorfan [7]

Answer:

AGAIN DONT FORGET THE X

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Step-by-step explanation:

4 0
2 years ago
True or false, a $100 shirt that is 20% off would cost $80 before tax​
Alla [95]
True.
100 x .80 = $80
3 0
2 years ago
Read 2 more answers
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