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barxatty [35]
2 years ago
13

How is energy involved in physical change??

Mathematics
1 answer:
tensa zangetsu [6.8K]2 years ago
3 0

Answer:during phase chages

Step-by-step explanation:

During phase changes, energy changes are usually involved. For example, when solid dry ice vaporizes (physical change), carbon dioxide molecules absorb energy. When liquid water becomes ice, energy is released. Remember that all chemical reactions involve a change in the bonds of the reactants

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There were 80 runners to start a race in the first half of the race, 1/5 of them dropped out. In the second half of the race, 1/
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Answer:

4

Step-by-step explanation:

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2 years ago
An investment account plays 3.7% annual interest compound weekly. If $370 is invested in this account, what will be the balance
MAXImum [283]

Answer: 358

Explanation:  370 - 12 = 358

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2 years ago
How to do this please and what's the answer ​
nalin [4]
This is how you do it! Please let me know if you need help.

5 0
3 years ago
Jackson has a gift card for $120 to use at a department store. he wants to purchase 2 shirts and 3 pairs of pants with his gift
mylen [45]
  • The domain of this relationship can be defined as,

0 ≤ x ≤ 60

  • The range of this relationship can be defined as,

0 ≤ y ≤ 40

Definition of Domain and Range

The set of  all the possible input values for which the provided function is defined is termed as the domain of that function.

The set of all the possible values that a given function can generate as an output is termed as the range of that function.

Forming the Relation

It is given that,

  • Jackson wants to purchase 2 shirts and 3 pairs of pants with his gift card
  • x represents the cost of the shirts and y represents the cost of the pants
  • The limit of the gift card = $120

Thus, the relation formed is given by,

2x + 3y \leq  120

Domain and Range of the Given Relation

We have,

2x + 3y \leq  120

⇒ 2x \leq 120

⇒ x\leq60

Thus, the domain is given by,

⇒ 0\leq x\leq 60

Similarly,

3y\leq 120

⇒ y\leq 40

Thus, the range is given by,

⇒ 0\leq y\leq 40

Learn more about domain and range here:

brainly.com/question/1632425

#SPJ4

7 0
2 years ago
Explain what are all of the properties of real numbers and use an example for each.
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Answer:

mark me as a brainlist answer

Step-by-step explanation:

Give examples to explain the properties of real numbers

Property (a, b and c are real numbers, variables or algebraic expressions)Examples8.Additive Inverse Property a + (-a) = 04 + (-4) = 09.Multiplicative Inverse Property10.Zero Property of Multiplication a • 0 = 04 • 0 = 011.Closure Property of Addition a + b is a real number10 + 5 = 15 (a real number)

6 0
3 years ago
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