Answer:
-The system has one solution
-Both lines have the same y-intercept
-The solution is the intersection of the 2 lines
Step-by-step explanation:
When you graph the two lines, you get the intersection at (0,5)
The slope of one line is 0.5 and the other is 1.
The lines are not parallel because they intersect, parallel lines would never intersect.
The equations do not graph the same line, they would be one on top of the other and have infinite solutions.
Answer:
The answer is B. 1/3
Step-by-step explanation:
Hope this helps! :)
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Step-by-step explanation:
Let the measure of required angle be x degree
Thus, first option is the correct answer.
Jo's Mobile Plan:
Fixed monthly charge = £16
Monthly 150 free minutes, post that 13p (or £0.13) per minute,
Monthly 150 free texts, post that 15p (or £0.15) per text
Jo's mobile phone usage details:
170 minutes of calls
182 texts
Total Charges for Jo = Fixed Monthly Charge + Charges for Calls + Charges for Texts
⇒ Total Charges for Jo = 16 + (170-150) × 0.13 + (182-150) × 0.15
⇒ Total Charges for Jo = 16 + (20) × 0.13 + (32) × 0.15
⇒ Total Charges for Jo = 16 + 2.6 + 4.8
⇒ Total Charges for Jo = 23.4
Hence, Jo should be charged £23.4 for the month.
Hope this helps !
The sum of their ages is 50 so x + y = 50
If x - 10 = y then y + y + 10) = 50
50 = 2y +10
Subtract ten from both sides
40 = 2y
Divide by 2
Y = 20
And remember x - 10 = y
Then x - 10 = 20
Add 10 to both sides
X = 30
ANSWER: Alvin is 20, Elga is 30
