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Answer: (3) 3 liters (4) Woodwind = 180, Brass = 90, Percussion = 10
<u>Step-by-step explanation:</u>
3) Set up a table. Multiply across and add down to create the equation.
x = 3 ---> subtracted 4 from both sides
4)
Woodwind: 2x
Brass: x
<u>Percussion: x - 80</u>
TOTAL: 4x - 80 = 280
4x = 360 ----> added 80 to both sides
x = 90 ---> divided 4 from both sides
Woodwind: 2x ---> 2(90) = 180
Brass: x ---> 90
Percussion: x - 80 ---> 90 - 80 = 10
Answer:
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The greatest common factor of 21, 35, and 49 is: 7
Since 21 is the lowest number we are solving up to, so no other factors can be given after that.
Factors of 21: 1, 3, 7, 21
Factors of 35: 1, 5, 7
Factors of 49, 1, 7
The common factors between the three numbers are 1 and 7, but we are looking for the greatest common factor, not the common ones. It either has to be 1 or 7, and 7 is obviously the highest, making it the greatest common factor.
Answer:
7y⁴- 10yz - y²z - 5
Step-by-step explanation:
First collect like terms
3y²+ 4y²- 6yz - 4yz - y²z - 7+2
7y⁴-10yz - y²z - 5