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Ksju [112]
4 years ago
10

Help me plz thx jkjl;jkl;jkl;jl

Mathematics
1 answer:
Molodets [167]4 years ago
3 0

Answer:

Copper is being reduced

Step-by-step explanation:

Since the charge of the copper ion went down (2+ --> 0), we can say that Copper is being reduced. An atom is reduced when electrons are added.

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Which statement is true about the equation fraction 3 over 4z − fraction 1 over 4z + 1 = fraction 2 over 4z + 1?
nata0808 [166]

(A- No solution)

Ignore the folloqing;

(12345678901234567890)

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3 years ago
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out of every 100£ that Judy earns at her part-time job, she saves 25£ for college. The amount she saves is directly proportional
poizon [28]

Answer: 970

Step-by-step explanation:

3,880 divided by 100= 38.8*25=970

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Based on signal strength, a person knows their lost phone is exactly 47 feet from the nearest cell tower. The person is currentl
svlad2 [7]

Answer:

The phone could be either 24 feet away from them or 70 feet away from them because the person that lost the phone could be on the other side of the cell phone tower

Step-by-step explanation:

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What is the y-intercept of the line y+11= -2(x+5)?
poizon [28]

Answer:

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Step-by-step explanation:

For y-intercept, x = 0:

{ \sf{y + 11 =  - 2(0 + 5)}} \\ { \sf{y + 11 =  - 10}} \\ { \sf{y =  - 21}}

4 0
3 years ago
Riley finished her 5k race in One-half hour. Darby finished the same race in Three-fifths hour. Which statement explains which g
Andrej [43]

Answer:

Riley did better than Darby because One-half < Three-fifths.

Step-by-step explanation:

The statement that explains which girl did better would be that

Riley did better than Darby because One-half < Three-fifths.

There are a total of 60 minutes in an hour, If we multiply each of these fractions by 60 minutes it would give us the exact number of minutes that each girl took to finish the race.

Riley: \frac{1}{2} * 60 = 30 minutes

Darby: \frac{3}{5} * 60 = 36 minutes

Therefore, we can see that it took Riley 6 minutes less than Darby to finish the race meaning that she had the better result.

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