Let p and q rational numbers (what does it means?), then, p and q coul be written as

then,

and we know that ad+bc is an integer, so, p +q is a rational number.
Answer:
That would be cosine, or (cos)
Step-by-step explanation:
This is because cosine is Adjacent / Hypotenuse.
Hope that helps, :)
The expression that can be used to represent the list price of the smartphone is 5179.99 * (1- 25%) and the value is 3884.9925
<h3>What expression can be used to represent the list price of the smartphone? </h3>
The given parameters are:
Discount = 25%
Sales price = 5179.99
The expression that can be used to represent the list price of the smartphone is
Expression = Sales price * (1- discount)
So, we have:
Expression = 5179.99 * (1- 25%)
Evaluate
Expression = 3884.9925
Hence, the expression that can be used to represent the list price of the smartphone is 5179.99 * (1- 25%) and the value is 3884.9925
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Answer:
SAS(SIDE ANGLE SIDE)
Step-by-step explanation
AB side in ABDA = AB side in ABDC
ABD angle in ABDA= ABD angle in ABDC
BD side in ABDA = BD side in ABDC
Answer:
Step-by-step explanation:
can you translate that into English please?