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Hunter-Best [27]
3 years ago
7

HELP HELP HELP HELP HELP HELP HELP HELP HELP write a brief summer about inequalities on a number line .

Mathematics
1 answer:
g100num [7]3 years ago
4 0

Answer:

To plot an inequality, such as x>3, on a number line, first draw a circle over the number (e.g., 3). Then if the sign includes equal to (≥ or ≤), fill in the circle. If the sign does not include equal to (> or <), leave the circle unfilled in.

Step-by-step explanation:

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Answer:

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Choose the correct fraction and decimal equivalent for 78%.
vazorg [7]

Answer: 0.78 and 39/50

<h3>Explanation:</h3>

What we know:

  • We need to find 78% as a fraction and decimal

How to solve:

The decimal is easy enough, and then the fraction can be found from there. D will represent decimal, p will represent percentage, and F will represent fraction.

<h3>Process:</h3>

Decimal

Set up equation                                                 D = p / 100

Substitute                                                           D = 78% / 100

Simplify                                                               D = 0.78%

Remove % sign                                                  D = 0.78

Fraction

Set up equation                                                 F = p / 100

Substitute                                                           F = 78% / 100

Remove % sign                                                  F = 78 / 100

Simplify if needed                                            F = /2    /2

                                                                           F = 39 / 50

Solution: 0.78 and 39/50

Check:

Multiply the decimal by 100 to check the decimal

0.78 x 100 = 78; 78%

Divide the fraction to check the fraction

39/50 = 0.78; see above

8 0
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gregori [183]

Answer:

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