MATH20160130

Question 1

1/6 as a fraction

Answer 1

~.167

Question 2

How many feet in a yard?

Answer 2

3 feet

Question 3

How many feet in a mile?

Answer 3

5280 feet.

Question 4

How many ounces in a pound?

Answer 4

There are 16 ounces in a pound.

Question 5

How many pounds in a ton?

Answer 5

There are 2000 pounds in a ton.

Question 6

How many cubic centimeters in a litre?

Answer 6

1000 cubic cm.

Question 7

SI units for length?

Answer 7

meter (m)

Question 8

SI units for mass?

Answer 8

kilogram (kg)

Question 9

SI units for time?

Answer 9

second (s)

Question 10

SI units for electric current?

Answer 10

ampere (A)

Question 11

SI units for thermodynmic temperature?

Answer 11

kelvin (K)

Question 12

SI units for the amount of a substance?

Answer 12

mole (mol)

Question 13

SI derived unit for area?

Answer 13

square meter (m²)

Question 14

SI derived unit for volume?

Answer 14

cubic meter (m³)

Question 15

SI derived unit for speed?

Answer 15

meter per second (m/s)

Question 16

SI derived unit for acceleration?

Answer 16

meter per second squared (m/s²)

Question 17

SI units for frequency?

Answer 17

hertz (Hz)

1 Hz = 1/s

Question 18

SI units for force?

Answer 18

newton (N)

1 N = 1 mkgs^-2

Question 19

SI unit for pressure or stress?

Answer 19

Pascal (Pa)

1 Pa = 1Nm^-2

Question 20

SI units for energy, work, quantity of heat?

Answer 20

joule (J)

1 J = 1 Nm

Question 21

SI units for Power?

Answer 21

watt (W)

1 W = 1 J/s

Question 22

SI units for electric charge?

Answer 22

Coulomb (C)

1 C = sA

Question 23

SI units for electric potential difference or electromotive force

Answer 23

volt (V)

1 V = W/A

Question 24

The order of a polynomial is…

Answer 24

the largest exponent to which a variable is raised in one of the terms.

Question 25

log_aa

Answer 25

1

Question 26

log_aM^k=

Answer 26

klog_aM

Question 27

log_a(MN) =

Answer 27

log_aM + log_aN

Question 28

log_a(M/N) =

Answer 28

log_aM - log_aN

Question 29

10^log₁₀M =

Answer 29

M

Question 30

log_a(1) =

given ‘a’ is greater than zero

Answer 30

0

Question 31

As hydrogen concentration increases the slope of the pH curve?

Answer 31

Increases.

Remember it is a negative slope approaching zero.

Question 32

Sum of the interior angles of a polygon with n sides?

Answer 32

(n-2)(180)

Question 33

The sum of the exterior angles of a triangle is always equal to…

Answer 33

360 degrees.

Question 34

The value of the exterior angle of a triangle is equal to…

Answer 34

the sum of the two opposite interior angles.

Question 35

Common ratios of right angled triangles

Answer 35

3:4:5 and 5:12:13

Question 36

Two triangles are similar if they have…

Answer 36

the same value for interior angles.

Question 37

pi radians is…

Answer 37

180 degrees.

Question 38

A trapezoid is…

Answer 38

a four sided figure with a pair of parallel sides.

Question 39

The area of a trapezoid is calculated as…

Answer 39

1/2 * h(a+b)

Question 40

Area of a parallelogram

Answer 40

base times height.

Question 41

Surface area of a sphere

Answer 41

4 πr²

Question 42

Volume of a sphere

Answer 42

(4/3)πr³

Question 43

Express tangent as a ratio of Sine and Cosine

Answer 43

Tangent = Sine/Cosine

Question 44

sine30

Answer 44

1/2

Question 45

cosine(30)

Answer 45

(3^1/2)/2

Question 46

sine(45)

Answer 46

2^-1/2

Question 47

cosine(45)

Answer 47

2^-1/2

Question 48

sine(60)

Answer 48

(3^1/2)/2

Question 49

cosine(60)

Answer 49

1/2

Question 50

sine(90)

Answer 50

1

Question 51

cosine(90)

Answer 51

0

Question 52

sine(0)

Answer 52

0

Question 53

cosine(0)

Answer 53

1

Question 54

Where are the tan aymptotes?

Answer 54

When Cos equals zero. ie T = S/C

Question 55

What percentage of values are within 1 SD of the mean?

Answer 55

68%

Question 56

What percentage of values are withing 2 SD’s of the mean?

Answer 56

95%

Question 57

What percentage of values are within 3 SD’s of the mean?

Answer 57

99%

Question 58

sin2ø =

Answer 58

2sinøcosø