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Mekhanik [1.2K]
3 years ago
6

Will give brainliest!

Mathematics
2 answers:
Savatey [412]3 years ago
6 0
2x+y=12
y=-2x+12. As a result, y=-6-x is your answer. Hope it help!
aalyn [17]3 years ago
3 0
Y=-6-x is not equal to 2x+y=12. Both sides were not divided by two when it was simplified.
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Is (1, 10) a solution to this system of inequalities?<br> y &gt; 2x + 3<br> y &gt; x + 2
Nat2105 [25]

Answer:

yes

Step-by-step explanation:

5 0
3 years ago
The mean mark is 70% there are 30 students 20 of which are boys with a mean mark if 62% what is the mean for girls
Anna007 [38]

Answer:

This problem can be solved by working backwards.  

Average of 30 students = 70.

Total marks of all the 30 students = 30x70 = 2100

Out of these 30, average of 20 students = 62

Total marks of these 30 students = 30x62 = 1860

So the total marks of the remaining 10 students = 2100-1860 = 240

Hence the average of the remaining 10 students = 240/10 = 24



7 0
3 years ago
What the answer and how do I solve it?
tatiyna

Answer:

5xy^2z

Step-by-step explanation:

(-15/-3) x (x^6/x^5) x (y^5/y^3) x z = 5xy^2z

4 0
3 years ago
Read 2 more answers
Adele is 5 years older than Timothy. In three years, Timothy will be 2/3 of Adele’s age. What is Adele’s current age?
Ostrovityanka [42]
A = 5 + t
t + 3 = 2/3a

t + 3 = 2/3(5 + t)
t + 3 = 10 + 2t / 3
3t + 9 = 10 + 2t
t = 1

a = 5 + 1
a = 6
4 0
3 years ago
Read 2 more answers
Did I get all of the questions right?
Ymorist [56]
I believe you did but if you need help feel free to chat with me
5 0
3 years ago
Read 2 more answers
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