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andriy [413]
2 years ago
6

A scientist is examining an unknown solid. Which procedure would most likely help determine a chemical property of the substance

?
heating it to find the temperature at which it melts
exposing it to a flame to see if it catches on fire
hitting it with a hammer to determine if it breaks or bends
placing it in water to find out whether or not it dissolves
SAT
2 answers:
Margarita [4]2 years ago
5 0
Placing it in water to find out whether or not it dissolves (I hope it’s correct)
tia_tia [17]2 years ago
3 0

Answer:

B)exposing it to a flame to see if it catches on fire

Explanation:

I took the test

I hope this helps

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6 0
2 years ago
(5372 + 100y^2) + 5(10y^2 – 110) Add the two polynomials and write in the form ay^2 + b, where a and b are constants, What is th
dangina [55]

Answer:

The value of a is 150 and b is 4822.

Explanation:

First, you have to expand to remove brackets :

(5372 + 100 {y}^{2} ) + 5(10 {y}^{2}  - 110)

= 5372 + 100 {y}^{2}  + 50 {y}^{2}  - 550

Next, you have to simplify :

100 {y}^{2}  + 50 {y}^{2}  + 5372 - 550

= 150 {y}^{2}  + 4822

Next, you have to compare it :

a {y}^{2}  + b = 150 {y}^{2}  + 4822

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b = 4822

5 0
3 years ago
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