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Nostrana [21]
3 years ago
9

How is the product of 2 and –5 shown using integer tiles? 2 positive tiles and 5 negative tiles. 2 negative tiles and 5 positive

tiles. 5 negative tiles and 5 negative tiles. 5 positive tiles and 5 positive tiles.
Mathematics
2 answers:
Levart [38]3 years ago
6 0

Answer:

5 negative tiles and 5 negative tiles

Step-by-step explanation:

When multiplying a positive number by a negative number, the product is always negative.

This can be visualized using integer tiles:

AlladinOne [14]3 years ago
3 0

Answer:

So lets say the negative tiles are red and the poiitive tiles are yellow.

Now for the first one

2*-5

That would be shown with two groups of fives with red tiles

Now we know its -10 be used if you count it up, its 10 negatives red tiles

-2*5

So 5 groups of 2 red tiles and if you count it all up, you’ll get -10

-5*-5

So 5 groups of -5 tiles

You’d get -25

But thats not the answer

I have no clue to show this but i guess you just have to know that negative *negative is positive so just switch the signs

25

5*5

Just make 5 groups of 5 yellow tiles and count them up, you’ll get 25

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The inequality is all real numbers.

<h3>What is inequality?</h3>

A statement of an order relationship—greater than, greater than or equal to, less than, or less than or equal to—between two numbers or algebraic expressions.

Given:

|3x|≥0

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Answer:

  (c)  Not parallel: corresponding angles are not congruent

Step-by-step explanation:

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3 years ago
The part of a parallelogram is 240 cm ^2 and the height is 20 cm. Find the corresponding base.
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Degger [83]

The number of viruses was 4000 times greater than number of protozoa.

Step-by-step explanation:

Given,

Number of protozoa = 5*10^5

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Number of viruses = Number of time * Number of protozoa

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Dividing both sides by 5*10^5

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The number of viruses was 4000 times greater than number of protozoa.

Keywords: division, scientific notation

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