Answer:
The square root of 64 is 8
Step-by-step explanation:
Since, the fundraiser only have three prices for books($2, $5 and $10), the number of $5 book that was sold is 12.
<h3>How to form equation and solve ?</h3>
The fundraiser only have 3 prices for books which are $2, $5 and $10.
There were 6 more $5 books sold than $10 books sold.
Let
x = number of $10 book sold
Therefore,
number of $5 books sold = x + 6
There are 8 more $2 book sold than $10 book sold. Therefore,
number of $2 books sold = x + 8
A total of $250 was raised.
Therefore, the total amount sold forms the following equation:
10x + 5(x + 6) + 2(x + 8) = 250
10x + 5x + 30 + 2x + 16 = 250
17x = 250 - 30 - 16
17x = 204
x = 204 / 17
x = 12
learn more on equation here: brainly.com/question/27361014
Answer:
3m -5
Step-by-step explanation:
3(m - 3) + 4
Distribute
3m -9 +4
Combine like terms
3m -5
A five year old can do algebra. They can if they are one of those VERY rare children. By rare children I mean their brains can process work faster than others making them able to understand it yet being so young. Also maybe because they had learned quickly they had found a algebra book and started to self teach themselves how to do that. Because if a child has a strong mind and can grasp things and learn for themselves they can learn it from looking at complete problems. Then solve them. I have seen kids be able to do math like this at a young age because they were quick at grasping the information. Also it could be that they had copied a basic formula for algebra off of a website or math book and just put their numbers in and started solving it like that. Also it could just be that they had learned it form a parent or older sibling because they were smart enough they were able to already be learning. Finally it could just be that they are a mathematical genius and were able to complete things like that themselves.
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➷ 1) 42 degrees as vertically opposite angles are equal
2) 76 degrees as angles on a straight line sum to 180
3) 62 degrees as angles on a straight line sum to 180
4) 76 degrees as angles around a point sum to 360
5) 118 degrees as they are corresponding
6) 62 degrees as angles on a straight line sum to 180
7) 62 degrees as angles on a straight line sum to 180
8) 1180 degrees as angles on a straight line sum to 180
9) 76 degrees as angles in a triangle sum to 180
10) 104 degrees as angles on a straight line sum to 180
11) 104 degrees as angles on a straight line sum to 180
12) 76 degrees as angles on a straight line sum to 180.
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➶ Hope This Helps You!
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