Create equations:
10X+15y=2575.
X+Y=210.
Solve for X: X=210-Y, and sub it into the other equation: 10(210-Y)+15Y=2575. Solve for Y: 2,100-10y+15y=2575, 5y=475, y=95.
Sub Y into the original problem: X+95=210. Solve: X=115.
The first mechanic charges $115 per hour and the second charges $95 :)
Answer:
chromosomes are of two in human x and y but the mother has only x chromosomes when xand x meet then baby girl is born and when x and y meet then baby boy is born.Genes is the properties which are present in all living organisms.The full form of DNA is deoxy ribonucleic acid.It is the properties which carries the similarities of both mother and father to a new generation.
Answer:
1) If the coefficent of any variable is zero then the answer of the variable is 0.
2) There are two answers in a system of equations.
Answer:
Negative
Step-by-step explanation:
That's the answer........
Answer:
4 - z
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2
Step-by-step explanation:
