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Maslowich
3 years ago
8

How many atoms are in 2.50 moles of iron

Mathematics
1 answer:
Genrish500 [490]3 years ago
5 0
There are 1.505535375e+24 atoms in 2.50 moles of iron.
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PLEASE HELP!!!! Will be rewarded brainliest!!
kozerog [31]

Answer:

9.5

Step-by-step explanation:

If c to a is 19 then you divide the distance by 2 and you get 9.5 for the two distances.

3 0
2 years ago
Solve the equation. Show your work. 3x – 10 = 5x + 32
liq [111]

Answer:

-21 =x

Step-by-step explanation:

3x – 10 = 5x + 32

Subtract 3x from each side

3x-3x – 10 = 5x-3x + 32

-10 =2x +32

Subtract 32 from each side

-10 -32 = 2x+32-32

-42 = 2x

Divide each side by 2

-42/2 = 2x/2

-21 =x

4 0
3 years ago
Read 2 more answers
12. Subway A can reach a top speed of 48 kilometers per hour. Subway B can reach a
fenix001 [56]
Subway A is faster.

Hope this is correct
6 0
3 years ago
What is the value of the expression 10 + (fraction 1 over 2)4 ⋅ 48?
Rashid [163]

Answer:

i think you wrote the equation wrong because the answer is 106

Step-by-step explanation:

10+(1/2)4x48 solve using system of equations

multiplying is first (1/2)x4=2

10+2x48

multiply again 2x48=96

10+96=106

6 0
2 years ago
Angel and Jayden were at track practice.The track is 25 kilometers around.
guapka [62]

Answer:

1. Angel - 0.08 mins, Jayden - 0.067 mins

2. Angel - 12.5 km, Jayden - 15 km

3. Jayden runs faster.

Step-by-step explanation:

The length of the track (1 lap) is 25 km.

Angel ran 1 lap in 2 mins. That means he ran 25 km in 2 mins.

Jayden ran 3 laps in 5 mins. That means he ran 75 km (3 * 25 km) in 5 mins.

1. To find the time it takes to run 1 km, we divide the total time taken by the total distance run.

The number of minutes it takes Angel to run 1 km will be:

T = 2 / 25 = 0.08 minutes

The number of minutes it takes Jayden to run 1 km will be:

T = 5 / 75 = 0.067 minutes

2. To calculate the distance they run in 1 min, we divide the total distance run by the total time taken.

The distance Angel runs in 1 min is:

D = 25 / 2 = 12.5 km

The distance Jayden runs in 1 min is:

D = 75 / 5 = 15 km

3. Jayden runs faster because he runs more kilometres per minutes (15 km/min) than Angel (12.5 km/min).

In other words, Jayden clocks a faster speed than Angel.

5 0
3 years ago
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