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kirza4 [7]
2 years ago
10

An alloy contains nickel and chromium in 3:2 ratio, find the mass of each metal in 540g of alloy.​

Mathematics
1 answer:
miskamm [114]2 years ago
4 0

Answer:

Let the mass of nickle be 3x

And the mass of chromium be 2x

According to question,

3x+2x = 250

5x = 250

x =250/5

x = 50

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Completing the sqaure <br> x^2+14x+34
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-7-√15

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First move the constant to the right hand side and change it's sign

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x^2+14x+49=-34+49

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You should get:

x=-√15-7

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x=√15-7

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3 years ago
Marcy can walk 12 blocks in 5 minutes. If each block is 50 feet long, how many feet will she walk during the 30 minutes that she
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3600ft.

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3 years ago
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HURRY!!! PLEASE HELP WITH QUESTIONS!!!! WILL MAKE BRAINIEST ANSWER!!!!
steposvetlana [31]

Answer:

#1) D.$623.52  ; #2) D.17.1 ; #3) B.II and III ; #4) C.A greater availability of ATM's may make it easier to do bank transactions. Someone may choose this availability over a higher savings interest rate; #5) B.Bank E offers you a chocolate bar for filling out an application for checking and credit at the same time; #6) D.Make purchases or get cash now, and pay back the bank in monthly payments; #7) T; #8) B.Thursday ; #9) B.$1,545.83

Step-by-step explanation:

#1) 6.2% of her gross pay would be

0.062(765) = $47.43.

1.45% of her gross pay would be

0.0145(765) = 11.09

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#9) Adding together the list of items deposited we have

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Taking out the cash he receives gives us

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One piece cause half of 8 is 4 and there is 3 people
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3 years ago
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