Have x 50 notes and y N100 notes. There
2 answers:
Answer:
hi
Step-by-step explanation:
hi
You need to use simultaneous equations to solve this problem since there are 2 variables.
1. 50x + 100y = 550 (value of the notes x the number of each note)
2. x + y = 8 (the number of each note added).
3. Multiply the second equation by 50 so that it the x variables are the same in both equations. Thus, 50x + 50y = 400.
4. Subtract 50x + 50y = 400 from 50x + 100y = 550.
5. The subtraction results in 50y = 150.
6. Divide by 50. y = 3, so x must equal 5.
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Is that considered two equations?
Answer:x=1
Step-by-step explanation:
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50 times 25 and I would get 1,250
Answer:
a_n = 11 - 6n
Step-by-step explanation:
you can observe every next element is smaller then the previous one by 6
a_n = 5 - 6*(n-1)
a_n = 5 - 6n + 6
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Answer:
40 degrees
Step-by-step explanation:
2x + 3x + 2x + x + 10 + 30 = 360
Combine like terms
8x + 40 = 360
8x = 360 - 40
8x = 320
x = 320/8
x = 40
40 degrees
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