Useful Mathematics: A High-school Course in FundamentalsGinn, 1937 - 422 σελίδες |
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Σελίδα 255
... means addition ; means subtraction ; > means multiplication ; ÷ means division . 4. Other ways of showing multiplication are : a . If two numbers are multiplied , a dot is used , as 2.6 . b . If a number and a letter or two letters are ...
... means addition ; means subtraction ; > means multiplication ; ÷ means division . 4. Other ways of showing multiplication are : a . If two numbers are multiplied , a dot is used , as 2.6 . b . If a number and a letter or two letters are ...
Σελίδα 256
... means that 4 and x are ( added , subtracted , mul- tiplied , divided ) . 4 2. means that 4 and x are ( added , subtracted , multi- х plied , divided ) . 3. The fact that 6 is subtracted from d is written ( 6 – d , d - 6 ) . 4. aa may be ...
... means that 4 and x are ( added , subtracted , mul- tiplied , divided ) . 4 2. means that 4 and x are ( added , subtracted , multi- х plied , divided ) . 3. The fact that 6 is subtracted from d is written ( 6 – d , d - 6 ) . 4. aa may be ...
Σελίδα 295
... means that the interest is $ 43.20 . Example 2. At what rate must $ 500 be invested to earn $ 97.50 in 3 yr . ? Formula : Substituting , Multiplying , D / 1,500 , I = Prt P = 500 97.50 = 500 r ( 3 ) I = 97.50 97.50 = 1,500 r t = 3 r ...
... means that the interest is $ 43.20 . Example 2. At what rate must $ 500 be invested to earn $ 97.50 in 3 yr . ? Formula : Substituting , Multiplying , D / 1,500 , I = Prt P = 500 97.50 = 500 r ( 3 ) I = 97.50 97.50 = 1,500 r t = 3 r ...
Περιεχόμενα
Why We Study Mathematics | 3 |
PART | 9 |
Circles | 46 |
Πνευματικά δικαιώματα | |
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acute angle algebra amperes angle equal angle of elevation base Bill Bisect called cent circumference common fractions compasses cone Construct an angle Copy correct cost cubic cylinder decimal fractions decimal places decimal point denominator diameter distance divided division divisor draw a circle equation equilateral triangle Example Fahrenheit feet Find the area Find the number find the value formula graph Harry HONOR PROBLEMS hour improper fraction inches learned length letter line graph line segment lowest terms mathematics means measure method mixed number multiply number of decimal number of degrees obtuse paper perimeter perpendicular plane figures protractor pulley pupils pyramid quotient radius ratio rectangle rectangular solid revolutions per minute right angle right triangle ruler scale drawing slant height solve square Substituting subtract surface tablespoons tangent TEST weight wheel whole number width write