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Oksana_A [137]
3 years ago
14

Equation 1: 3x - 5y = 4 equation 2: -2x + 6y= 18

Mathematics
1 answer:
dem82 [27]3 years ago
8 0

Answer:

1.x=4​+5y/3

​2.x=3y−9

​​

Step-by-step explanation:

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Exercise 2.1.47 Prove that ifA^-1 exists and AX=0 then X =0.
stepan [7]

Answer:

Step-by-step explanation:

If A^{-1} exist, then we have that A^{-1}\cdot A=1.

Therefore, in the case that AX=0, if we multiply both

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A \cdot A^{-1}X=A^{-1}0

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5 0
3 years ago
A park district has 45 pine trees and 30 oak trees to be planted. They are separating the trees for different areas. They want e
Lady_Fox [76]

Answer:

greatest number of areas that can be created=5

Step-by-step explanation:

given data

Number of pine trees = 45

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solution

we want area have same number of both trees

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so Prime factorization of 45 and 30 are

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30 = 2 × 3 ×  5

as here GCF = 5

so here greatest number of areas that can be created=5

6 0
3 years ago
Each package of paper contains 100 sheets. At the beginning of the school year, each of Mr.Castillo 's 34 students brought in on
oksian1 [2.3K]

Answer:

3400

Step-by-step explanation:

Just multiply 100 by 34.

7 0
3 years ago
Write the sum of the numbers as the product of their GCF and another sum <br> 56+64
olga2289 [7]
This is a question about finding the GCF or the greatest common factor for these two numbers.  The real question there is what is the largest number that both 56 and 64 can be divided by and still give out integers (meaning, whole regular counting numbers).  This number turns out to be 8.  56/8 = 7.  64/8 = 8.  The GCF gets pulled to the outside of the parenthesis and the divided numbers remain on the inside being added together.  It looks like this, 8(7+8).
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<em>Look At The Picture...</em>







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3 years ago
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