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slega [8]
3 years ago
8

A block is cut into equal units.

Mathematics
1 answer:
kvasek [131]3 years ago
6 0

Answer:

140 g

Step-by-step explanation:

Note that

  • 10=\underline{2}\cdot \mathbf{5};
  • 20=\underline{2}\cdot 2\cdot \mathbf{5};
  • 35=\mathbf{5}\cdot 7

As you can see 5 is the common factor for all three numbers and 2 is the common factor only for the first two numbers. So, the greatest common factor

GCF(10,20,35)=5\cdot 2\cdot 2\cdot 7=140\ g.

The smallest mass of the block should be 140 g (it can be cut into 14 pieces of 10 g weight, 7 pieces of 20 g weight or 4 pieces of 35 g weight).

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arsen [322]

Answer:

option D

Step-by-step explanation:

x/-3≤3

multiply by (-1) on both sides

x/3≥-3

x>=-9

5 0
3 years ago
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Need help with these questions
pochemuha

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3 years ago
Solve for w.<br><br> 5w + 9z = 2z + 3w
DIA [1.3K]
When solving for a variable, you get the variable you're trying to solve for on one side and everything to the opposite of that variable.

We have the equation <span>5w + 9z = 2z + 3w.

Usually the variable we're solving for we want on the left. But it's fine to have it on the right side, too.

Let's subtract 9z from the left-hand side. That way, the 5w will be alone on the left-hand side.

And remember, anything we do on one side we do to the other side.

</span><span>5w + 9z - 9z = 2z + 3w - 9z
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The 3w term on the right-hand side needs to be removed. So, subtract each side by 3w.

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Now, we need to divide each side by 2 to see what the w variable is equal to.

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3 years ago
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Triss [41]
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dalvyx [7]

Answer:

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