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Pre-Algebra > Chapter 7.1 - 7.6 > Flashcards

Chapter 7.1 - 7.6 Flashcards

1
Q

Define Commission

A

Commission is a percentage of total sales as determined by the RATE of commission.

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2
Q

Define Discount

A

An amount of discount is a percent off the original price, determined by the discount rate.

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3
Q

Define Additive Identity

A

The Additive Identify is 0. When zero is added to any number, it does not change the value.

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4
Q

Define Additive Inverse

A

The opposite of a number is its Additive Inverse. The additive inverse of “a” is “-a”.

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5
Q

Define Irrational Number

A

An Irrational Number is a number that cannot be written as the ratio of two integers. Its decimal form does not stop and does not repeat.

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6
Q

Define Multiplicative Identity

A

The Multiplicative Identity is 1. Whe one multiplies any number, it does not change the value.

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7
Q

Define Multiplicative Inverse

A

The reciprocal of a number is its Multiplicative Inverse. The multiplicative inverse of “a” is “1/a”.

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8
Q

Define Rational number

A

A Rational Number is a number that can be written in the form “p/q”, where “p” and “q” are integers and “q does not equal 0”. Its decimal form stops or repeats.

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9
Q

Define Real number

A

A Real Number is a number that is either rational or irrational.

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10
Q

Real Numbers

A

Are made up of Rational Numbers and Irrational Numbers. Real Numbers include on one side, Rational Numbers comprised of: Counting Numbers + Whole Numbers + Integers + Rational Numbers. On the other side, Irrational Numbers.

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11
Q

What is the Commutative Property of Addition?

A

If a,b are real numbers, then a + b = b + a.

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12
Q

What is the Commutative Property of Multiplication?

A

If a,b are real numbers, then a x b = b x a.

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13
Q

What is the Associative Property of Addition?

A

If a,b are real numbers, then (a + b) + c = a + (b + c).

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14
Q

What is the Associative Property of Multiplication?

A

If a,b are real numbers, then (a x b) x c = a x (b x c).

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15
Q

Example of Distributive Property, If a,b,c are real numbers, then…

A
  1. a(b + c) = ab + ac; 2. (b + c)a = ba + ca; 3. a(b-c) = ab - ac.
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16
Q

Example of Identity Property of Addition

A

For any real number a: a + 0 = a. 0 + a = a; 0 is the additive identity.

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17
Q

Example of Identity Property of Multiplication

A

For any real number a: a x 1 = a. 1 x a = a; 0 is the multiplicative identity.

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18
Q

Example of Inverse Property of Addition

A

For any real number a: a + (-a) = 0. “-a” is the Additive Inverse of a.

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19
Q

Example of Inverse Property of Multiplication

A

For any real number a: (“a does not equal 0) a x “(1/a)” = 1 “(1/a)” the multiplicative inverse of a.

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20
Q

Properties of Zero: Multiplication by Zero:

A

For any real number a: a x 0 = 0; 0 x a = 0; The product of any number and 0 equals zero.

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21
Q

Properties of Zero: Division “OF” Zero:

A

For any real number a: “0/a” = 0; Zero divided by any real number, except itself, is zero.

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22
Q

Properties of Zero: Division “BY” Zero:

A

For any real number a: “a/0” is undefined and a divided by 0 is undefined. Division by zero is undefined.

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23
Q

How many inches (in) are in 1 foot (ft)

A

12 inches

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24
Q

How many feet (ft) are in 1 yard (yd)

A

3 feet (ft) in 1 yard (yd)

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25
How many feet (ft) are in 1 mile (mi)
5,280 feet (ft) in 1 mile (mi)
26
How many teaspoons (t) are in 1 tablespoon (T)
3 teaspoons (t) in 1 tablespoon (T)
27
How many Tablespoons are in 1 cup (c)
16 Tablespoons (T) in 1 cup (c)
28
How many fluid ounces (fl oz) in 1 cup (c)
8 fluid ounces (fl oz) in 1 cup (c)
29
How many cups (c) in 1 pint (pt)
2 cups (c) in a pint (pt)
30
How many pints (pt) in 1quart (qt)
2 pints (pt) in 1quart (qt)
31
How many quarts (qt) in 1 gallon (g)
4 quarts (qt) in 1 gallon (g)
32
How many ounces (oz) are in 1 pound (lb)
16 ounces (oz) are in 1 pound (lb)
33
How many pounds (lb) are in 1 ton
2000 pounds (lb) are in 1 pound (lb)
34
How many centimeters (cm) are in 1 meter (m)
100 centimeters (cm) are in 1 meter (m)
35
How many millimeters (mm) are in 1 meter (m)
1000 millimeters (mm) are in 1 meter (m)
36
How many meters (m) are in 1 kilometer (km)
1000 meters (m) are in 1 kilometer (km)
37
How many meters (hm) are in 1 hectometer (hm)
100 meters (hm) are in 1 hectometer (hm)
38
How many meters (m) are in 1 dekameter (dam)
10 meters (m) are in 1 dekameter (dam)
39
How many meters (m) are in 1 decimeter (dm)
0.1 meter (m) are in 1 decimeter (dm)
40
How many meters (m) are in 1 centimeter (cm)
0.01 meters (m) are in 1 centimeter (cm)
41
How many meters (m) are in 1 millimeter (mm)
0.001 meters (mm) are in 1 millimeter (mm)
42
How many grams (gr) are in 1 kilogram (kg)
1000 (g) are in 1 kilogram (kg)
43
How many grams (gr) are in 1 hectogram (hg)
100 grams (g) are in 1 hectogram (hg)
44
How many grams (g) are in 1 dekagram (dag)
10 grams (g) are in 1 dekagram (dag)
45
How many grams (g) are in 1 decigram (dg)
0.1 grams (g) are in 1 decigram (dg)
46
How many grams (g) are in 1 centigram (cg)
0.01 grams (g) are in 1 centigram (cg)
47
How many grams (g) are in 1 milligram (mg)
0.001 grams (g) are in 1 milligram (mg)
48
How many centigrams (cg) are in 1 gram (g)
100 centigrams (cg) are in 1 gram (g)
49
How many milligrams (mg) are in 1 gram (g)
1000 milligrams (mg) are in 1 gram (g)
50
How many centiliters (cL) are in 1 liter
100 centiliters (cL) are in 1 liter
51
How many milliliters (mL) are in 1 liter (L)
1000 milliliters (mL) are in 1 liter (L)
52
How many liters (L) are in 1 kiloliter (kL)
1000 liters (L) are in 1 kiloliter (kL)
53
How many liters (L) are in 1 hectoliter (hL)
100 liters (L) are in 1 hectoliter (hL)
54
How many liters (L) are in 1 deckaliter (daL)
10 liters (L) are in 1 deckaliter (daL)
55
How many liters (L) are in 1 liter (L)
1 liters (L) are in 1 liter (L)
56
How many liters (L) are in 1 deciliter (dL)
0.1 liters (L) are in 1 deciliter (dL)
57
How many liters (L) are in 1 centiliter (cL)
0.01 liters (L) are in 1 centiliter (cL)
58
How many liters (L) are in 1 milliliter (mL)
0.001 liters (L) are in 1 milliliter (mL)
59
How many centimeters (cm) are in 1 inch (in)
2.54 centimeters (cm) are in 1 inch (in)
60
How many meters (m) are in 1 foot (ft)
0.305 meters (m) are in 1 foot (ft)
61
How many meters (m) are in 1 yard (yd)
0.914 meters (m) are in 1 yard (yd)
62
How many kilometers (km) are in 1 mile (mi)
1.61 kilometers (km) are in 1 mile (mi)
63
How many kilograms (kg) are in 1 pound (lb)
0.45 kilograms (kg) are in 1 pound (lb)
64
How many grams (g) are in 1 ounce (oz)
28 grams (g) are in 1 ounce (oz)
65
How many feet (ft) are in 1 meter (m)
3.28 feet (ft) are in 1 meter (m)
66
How many pounds (lbs) are in 1 kilogram (kg)
2.2 pounds (lbs) are in 1 kilogram (kg)
67
How many liters (L) are in 1 quart (qt)
0.95 liters (L) are in 1 quart (qt)
68
How many milliliters (mL) are in 1 fluid ounce ( fl oz)
30 milliliters (mL) are in 1 fluid ounce (fl oz)
69
How many quarts (qt) are in 1 liter (L)
1.06 quarts (qt) are in 1 liter (L)
70
Formula to convert TO degrees Celcius (C) from degrees Fahrenheit (F)
C = (5/9) x (F - 32)
71
Formula to convert TO degrees Fahrenheit (F) from degrees Celcius (C)
F = (9/5) x (C + 32)

Pre-Algebra (9 decks)

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