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EastWind [94]
3 years ago
12

Please HURRY ASAP answer all and I will give you brainliest !!!

Mathematics
1 answer:
Molodets [167]3 years ago
8 0

Answer:

A i think

Step-by-step explanation:

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By what factor would you need to multiply the first and second equations to eliminate x? By what factor would you need to multip
gavmur [86]
Equation 1 : x + y + z = 3.25
equation 2 : 12x + 2y + z = 9.50
equation 3 : 2x + 4y + 5z = ??

u would multiply equation 1 by -12.....take that result and add it to equation 2....this eliminates x.

u would multiply equation 3 by -6...take that result and add it to equation 2....this eliminates x


4 0
3 years ago
In this 3x3 square, you can use only numbers from 1-9, to make all the rows and columns equal to 15. Good luck to the person sol
bulgar [2K]

Answer:

Hello,

Step-by-step explanation:

The well-known magic square. (first apparition in China).

Here it the methode du Marquis de Liouville: (odd square:3,5,7,9,11,13,...)

We are going to put successively the number from 1 to n² (here n=3)

We imagine that the square is put on a sphere;

We begin in the middle of the last line where we put 1

ICI:

We move in direction SE of one case and put le next number

until we reach of multiple of n

After have reached a multiple of n, we move verticaly of one case

and we go to ICI until we reach n²

8 0
3 years ago
Which problem could be solved with the expression (5 + 3) + 2?
ANTONII [103]

Answer: the answer is a

Step-by-step explanation: i did all the work that i could do on my paper

7 0
3 years ago
At Penny's Pie Shop, it costs $4 for <br> 1<br> 4<br> of a pie. What is the cost of a whole pie
sergey [27]

Answer:

16

Step-by-step explanation:

1/4 pie=4

2/4 pie= 8

3/4 pie= 12

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4 0
3 years ago
Please Help this is Due in 1 hour and I really dont understand any of this. (Question in Image)
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Answer:

Step-by-step explanation:

4 0
2 years ago
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