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Soloha48 [4]
3 years ago
11

PLEASE HELP MEEE AM BEING TIMED

Mathematics
2 answers:
const2013 [10]3 years ago
6 0

Answer:

Physical:

1. a sheet of copper

2. A banana is yellow.

3. Barium melts at 725 degrees Celsius.

5. a diamond is the hardest natural substance.

7. A bar of lead...

Chemical:

4. gasoline is flammable

6. helium does not react...

8. potassium metal...

9. an apple...

10. silver tarnishes...

Hope this helps! Tell me if I am wrong on any.

Step-by-step explanation:

Physical is something that can change but it is still considered the same substance. Chemical is when they change and it becomes something new.

svet-max [94.6K]3 years ago
4 0

Answer:

1st is physical, 2nd is chemical, 3rd is chemical, 4th is chemical, 5th is physical, 6th is chemical, 7th is physical, 8th is physical, 9th is chemical and 10th is chemical

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Firlakuza [10]
For this case we can model the problem as a rectangle triangle.
 We have two sides.
 We want to find the hypotenuse of the triangle.
 We have then:
 h = root ((a) ^ 2 + (b) ^ 2)
 Substituting values we have:
 h = root ((6) ^ 2 + (8) ^ 2)
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5 0
3 years ago
On 1 May 2012, the cost of 5 grams of gold was 14 000 rupees.
navik [9.2K]

Answer:

51,800 rupees

Step-by-step explanation:

Cost of 5 grams of gold on 1 May 2012 = 14 000 rupees.

The cost of gold decreased by 7.5% from 1 May 2012 to 1 May 2013

Cost of 5 grams of gold on 1 May 2013 = 14,000 - 7.5% of 14,000

= 14,000 - 0.075 × 14,000

= 14,000 - 1,050

= 12,950 rupees

Work out the cost of 20 grams of gold on 1 May 2013

Since, there are four 5 grams of gold in 20 grams of gold

Therefore,

Cost of 20 grams of gold on 1 May 2013 = 12,950 rupees × 4

= 51,800 rupees

4 0
3 years ago
Cuantos numeros enteros hay entre -3 y +3?
romanna [79]
Hay 6 números entre -3 y 3
7 0
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lapo4ka [179]
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3 years ago
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marishachu [46]

Answer:14:06

Step-by-step explanation:

Because because 10 percent of 12.78 is 1.28 then 1.28 + 12.78 = 14.06 so 14.06 is your answer

3 0
3 years ago
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