mathematics

Question 1

what is meant by the root of a number

Answer 1

the root of a number is one or two or more equal numbers that, when multiplied together, will produce the number

Question 2

what is the eighth power of 2

Answer 2

256

Question 3

what is the square root of 4,096

Answer 3

64

Question 4

what is the square of 99

Answer 4

9,801

Question 5

what is the cube of 5

Answer 5

125

Question 6

what is the cube root of 1,000

Answer 6

10

Question 7

what is the base of this expression, 10^3

Answer 7

3

Question 8

what is meant by scientific notation?

Answer 8

a method of writing very large or very small numbers using powers of 10

Question 9

what is an angle?

Answer 9

a figure formed by two lines radiating from a common point

Question 10

what i meant by a right angle?

Answer 10

an angle of 90 degree

Question 11

what is an obtuse angle?

Answer 11

an angle greater than 90 degree but less than a straight line

Question 12

what is an acute angle?

Answer 12

an angle between 0 degree to 90 degreees

Question 13

what is a quadrant

Answer 13

one fourth of a circle

Question 14

what is a sector?

Answer 14

the portion of a circle bounded by two radii and one of the intercepted arcs

Question 15

what is a polygon?

Answer 15

a closed figure having three or more sides

Question 16

what is an acute triangle?

Answer 16

a triangle with three acute angles

Question 17

what is an obtuse triangle?

Answer 17

a triangle with one obtuse angle

Question 18

what is a right triangle?

Answer 18

a triangle containing a 90 degree angle

Question 19

what is an equilateral triangle?

Answer 19

a triangle with tree equal sides

Question 20

what is an isosceles triangle?

Answer 20

a triangle with two equal sides

Question 21

what is a scalene triangle?

Answer 21

a triangle in which no two sides are equal

Question 22

what is the hypotenuse of a right triangle?

Answer 22

the side opposite the right angel

Question 23

what is a quadrilateral?

Answer 23

a polygon having four sides

Question 24

what is a parallelogram?

Answer 24

a closed four-sided figure in which the opposite sides are parallel

Question 25

what is a trapezoid?

Answer 25

a closed four-side figure in which only one pair of the opposite sides are parallel

Question 26

what is a hexagon?

Answer 26

a closed figure with six equal sides

Question 27

what formula is used to find the area of a circle?

Answer 27

A = 0.7854 * D^2 or , A= Pie R^2

Question 28

what formula is used to find a volume of a cylinder?

Answer 28

V = .07854 * D^2 * H

Question 29

what formula is used to find area of a rectangle?

Answer 29

A = L * H

Question 30

what formula is used to find the volume of a rectangular solid?

Answer 30

V = L * W * H

Question 31

what formula is used to find the area of a triangle?

Answer 31

A = (B * H) divide by 2

Question 32

what is the significance of the constant?

Answer 32

Pi ( 3.145 ) is the constant amount the circumference of a circle is greater than its diameter

Question 33

what is meant by a ratio and how is a ratio expressed?

Answer 33

a fraction that compares one number to another; for example, 6:2 is a ratio

Question 34

what is meant by a proportion?

Answer 34

a statement of equality between two ratios; for example, a/b = b/c is a proportion

Question 35

what is meant by a percentage?

Answer 35

a fraction having 100 as the denominator. for example”65% = 65/100

Question 36

what is meant by a negative number?

Answer 36

a number less than 0, or a number preceded by a minus (-) sign

Question 37

what steps are used to add signed numbers?

Answer 37

1. add all numbers having a plus sign
2. add all number having a minus sign
3. of these answers, subtract the smaller from the larger number. the sign of the answer will be the sign of the larger number

Question 38

what steps are used to subtract signed numbers?

Answer 38

1. change the sign of the subtrahend ( the number that is being subtracted).
2. if the signs are alike, add the two numbers and attach the common signs
3. if the signs are different, subtract the smaller from the larger and give the answer the sign of the larger

Question 39

what steps are used to multiply signed numbers?

Answer 39

1. multiply the numbers, disregarding the signs
2. if the signs of the two numbers are alike, the sign of the answer is positive
3. if the signs os the two numbers are not alike, the sign of the answer is negative

Question 40

what steps are used to divide signed numbers

Answer 40

1. disregard the signs and divide as though the numbers had no sign
2. if the signs of the two numbers are alike, the sign of the answer is positive
3. if the signs of the two numbers are not alike, the sign of the answer is negative