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Delvig [45]
2 years ago
7

Simplify the following(2 x5x) (5+4x)

Mathematics
2 answers:
vladimir2022 [97]2 years ago
6 0

Answer:

10+42x

Step-by-step explanation:

crimeas [40]2 years ago
3 0

Answer:18x+5

Step-by-step explanation:

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If the ratio of red hair bands to green hair bands is 5 to 9 with a total of 70, how many are green
Eduardwww [97]
5x-\ red\\9x-\ green\\\\5x+9x=70\\
14x=70\ \ \ | divide\ by\ 14\\\\
x=5\\\\
9x=9*5=45\\\\
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5 0
3 years ago
Match each system of linear equations with the correct number of solutions
kondaur [170]

Answer:

Hey there!

The first equation has no solutions, as it is parallel lines.

The second equation has infinitely many solutions, as it is basically the same line, and the two lines intersect at infinite points.

The third equation is just one solution.

Let me know if this helps :)

3 0
3 years ago
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62 is 56% of what number?
Maksim231197 [3]
THis would be 62 / 0.56  =  110.71 to nearest hundredth

7 0
3 years ago
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-2x-9y=-25 -4x-9y=-23 system with elimination
REY [17]
Multiply the first equation by -2. It turns into 4x+18y=50 and the other one stays -4x-9y=-23. Then you "eliminate" the equations by "adding" them. Set it up like this: 
4x+18y=50
      +
-4x-9y=-23
4x-4x= 0. 18y-9y= 9y and 50-23= 27
SO: 9y= 27 and y= 3
And then you plug that in to one equation: 4x +18(3)= 50. 4x= 50-(18*3)
4x= -4, so x=-1.
Plug it back in to check! 
Hope this helps. Happy solving! :)
4 0
2 years ago
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i have 537 cookies and i need to divide them into 12 equal groups. how many cookies are in each group
katrin [286]
If you divide 537 in to 12 groups. each group would have 44 cookies and you would have 9 left.
5 0
3 years ago
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