Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.
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![The image shows text from an educational document on transformations in geometry. Below is the transcription suitable for an educational website:
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**Notes:**
If there is not a single transformation that carries one figure onto the next, then we use a __________ of __________.
**What are the symbols of transformations (how will it be written)?**
- Translation: __________
- Rotation: __________
- Reflection: __________
- Dilation: __________
The symbol for the composition of transformations is an __________ o.
For example:
__________ tells us to translate \((x, y) \rightarrow (x+1, y+4)\) after a reflection about the line \(y = -1\).
A composition of isometries is a composition, or sequence, of two or more __________.
**Study Tip:**
When reading a composition of transformations in symbolism, the transformations must be performed from right to left.
\[ T_{3, 9} \circ r_{x=10} \]
Do SECOND: \( T_{3,9} \) __________ Do FIRST: \( r_{x=10} \)
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