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MAVERICK [17]
3 years ago
9

12y + 29y +48y + 2ly + 13y + 7y

Mathematics
2 answers:
OverLord2011 [107]3 years ago
5 0
Answer: 130y

here you go!
Mama L [17]3 years ago
3 0

Answer:

Add all of the numbers then put a Y at the end.

Step-by-step explanation:

its just combining like terms, if their all Y. its jist adding with a letter at the end

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A system of linear equations is graphed. which ordered pair is the best estimate for the solution to the system?
OLga [1]

Answer:

The answer that gives the best estimate is (1,1)

Step-by-step explanation:

i) As can be seen on of the lines intercepts the y axis at (0,-1). So the y

 intercept or c_{1} = -1. Therefore the equation for this line can be written as

 y = m_{1} x + c_{1}    ⇒    y = m_{1} x - 1 . It can also be seen from this graph that the

 line passes through the point (2 , 2). Substituting these values for x and y  

 respectively we get  2 = 2m_{1} - 1    ∴ m_{1} = \frac{3}{2}.  The equation of the first line

 can be written as y = \frac{3}{2} x - 1   ⇒ 2y - 3x = -2

ii) As can be seen on the other line the intercept on the y axis is at (0,2). So

  the y  intercept or c_{2} = 2. Therefore the equation for this line can be  

  written  as  y = m_{2}x + c_{2}    ⇒    y = m_{2} x + 2 . It can also be seen from this  

   graph that  the  line passes through the point (1 , -1). Substituting these

   values for x and  y   respectively we get  1 = 1m_{2} + 2    ∴ m_{2}  = -1 .  The

   equation of the second line  can be written as y = - x + 2   or x + y = 2

iii) Solving the two equations of the two lines respectively as found in i) and

  ii)  we get y = 0.8. We multiply equation in ii) by 3 to get 3x + 3y = 6 and  

  when we add this to equation in i) we get 5y = 4 which means that y = 0.8.

  If we substitute this value in ii) we get 0.8 + x = 2 , therefore x = 1.2.

iv) Therefore we get the solution of the two lines, which is the intersection

    of the two lines as (1.2, 0.8). So the answer that gives the best estimate

    is (1,1)

6 0
3 years ago
Help me find the missing number!!!
barxatty [35]

Answer:

Germany mean: 1.8888888888889

Italy mean: 1.8375

Step-by-step explanation:

Have a nice day!

6 0
3 years ago
Manny receives 6 dollars each week for allowance. He also had 45 dollars saved from birthday gifts. If he currently has 111 doll
Mashutka [201]

Answer:

I'm pretty sure its D

Step-by-step explanation:

w is represented by week of saving he gets 6 dollars every week so 6w

he gets 45 dollars from his presents so he adds the 45 to the equation leaving him 111 dollars

so the equation is 6w+45=111

8 0
3 years ago
Read 2 more answers
PLEASE HELP ASAP QUESTIONS ARE IN PICTURE
ArbitrLikvidat [17]

Answer:

1. Last option

2.  third option

Step-by-step explanation:

1.  Each term is formed by multiplying the previous one by 3

so its  729, 2187

2.  Working from right to left we multiply by 5  so its 500.

5 0
3 years ago
I need help please!!!!
mario62 [17]

The answer will be for every x, y will be 1.25

4 0
3 years ago
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