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mestny [16]
2 years ago
15

The Decimal System Uses 10 Symbols To Represent Numbers True or false​

Mathematics
1 answer:
lutik1710 [3]2 years ago
7 0

Answer:

For non-negative integers yes, it's 10 symbols.

Step-by-step explanation:

The symbols are the digits! 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9.

Please note, that to represent negative numbers we use an additional symbol - and a . for fractions. I'm pretty sure the question is about the basics of the decimal system and the ten digits though.

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To estimate his travel time, Joe divides the distance, d, in miles by 5 less than his expected average speed, in miles per hour.
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310 / 75-5 = 4.42 or 4.4 hours. Let me know if you have any other questions.
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I will give brainlist please someone help!!!​
Cerrena [4.2K]

Answer:

x = 6

Step-by-step explanation:

Alternate angles are congruent.

7x - 9 = 3x + 15               {Subtract 3x form both sides}

7x - 3x -9 = 15

      4x - 9=15            {Add 9 to both sides}

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3 years ago
Fernanda has a collection of 200 seashells from corpus christi she gage her sister one-fifth of her collection how many seashell
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1/5 of 200 is 40 which mean she gave 40 away and she has a 160 left

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Consider this algebraic expression:     –3x + x + 5 Use the algebra tiles to model the expression.
luda_lava [24]

For this case, we have the following expression:

-3x + x + 5

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-3x + x + 5 = -2x + 5

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-3x + x + 5 = -2x + 5

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Abraham has visited country somebody he has a cold or visiting at least 50 countries he plans to choose a school by visiting fiv
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<em>Question:</em>

<em>Abraham has visited at least 50 countries; he plans to visit five new countries per year (Y) for the next several years. Which inequality and solution shows the amount of years they will take for Abraham to meet his goal.</em>

Answer:

Countries \geq 50 + 5y

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Step-by-step explanation:

Given

Countries = 50 ------ at least

Yearly =5

Required

Represent as an inequality

"at least" means \geq

So the countries he has visited can be represented as thus;

Countries \geq 50

If

1 year = 5 countries

y years would be 5y countries

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Countries \geq 50 + 5y

To determine the value of y.

We have that

Countries = 195 <em>in the world</em>

<em>Substitute 195 for Countries</em>

195 \geq 50 + 5y

<em>Collect Like Terms</em>

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<em>Divide through by 5</em>

145/5 \geq y

29 \geq y

<em>Reorder</em>

y \leq 29

This means that; he'll visit all countries in at most 29 years' time

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