Answer:
7.25 and 10.75 Hours
Step-by-step explanation:
Total hours Nalia and Lisa worked = 18 Hours
Nalia worked 3.5 hours then Lisa which is hours
⇒
Lisa has worked for 7.25 hours
Nalia has worked for = 7.25 + 3.5 = 10.75 hours
PLEASE HELP I AM STUCK ON THIS QUESTION! WILL GIVE BRAINLIEST FOR THE FIRST ANSWER!!! ALLOT OF POINTS!!!
2 answers:
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The value of x, y and z from the system of equation are -1, -8 and 5 respectively.
Data;
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- -3y + 7z = 59
- 2z = 10
To solve this problem, we have to solve the system of equation using substitution method.
From equation (iii)
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Let's substitute the value of x and y into equation (i)
From the calculation above, the value of x, y and z are -1, -8 and 5 respectively.
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