Hey there!
<u><em>Your answer is </em></u>
<u>Here are the steps to solve:</u>
<em>Given:</em>
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<em>Distribute negative sign:</em>
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<em>Add like terms:</em>
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Have a great day! Hope it helped!
You would have to add x1 + x2 and divide by 2. do the same with y1 and y2.
(1/2,-1/2)
Answer:
Girls in Mr. Chang's class: 28 - 21 ; # girl students = # total students - # boy students ; 7 girl students.
Boys in Mr. Chang's class: 28 - 7 ; # boy students = # total students - girl students ; 21 boy students.
Line the decimal points up. Then add like you normally would, but put down the decimal directly where you have it lined up.
Answer:
A. 6y
Step-by-step explanation:
The profit formula is: total earnings- total expenses. In this case the 145 has a minus sign, which indicates that these are Debra's total expenses. Then, 6y represents total revenue. You can also identify that this is the answer because revenues depend on babysitting hours, which in this case, is represented by the variable "y".