Mathematics for Common Schools: A Manual for Teachings, Including Definitions, Principles, and Rules and Solutions of the More Difficult ProblemsD.C. Heath & Company, 1895 - 312 σελίδες |
Αναζήτηση στο βιβλίο
Αποτελέσματα 1 - 5 από τα 16.
Σελίδα 79
... cancellation that may be offered , this method is given . It will afterwards bet found useful in calculating the principal , the rate , or the time . Pupils should not at this stage be taught more than NOTES ON CHAPTER NINE 79.
... cancellation that may be offered , this method is given . It will afterwards bet found useful in calculating the principal , the rate , or the time . Pupils should not at this stage be taught more than NOTES ON CHAPTER NINE 79.
Σελίδα 117
... principal , the rate , or the time have very little “ practical ” value , they can be so readily taught by the algebraic method that the time spent upon them need not be very great . A pupil that is able to calculate one of a series of ...
... principal , the rate , or the time have very little “ practical ” value , they can be so readily taught by the algebraic method that the time spent upon them need not be very great . A pupil that is able to calculate one of a series of ...
Σελίδα 118
... Principal = $ 97.57 - $ 7.57 = $ 90 . 90 X 130 Xx = 7.57 . 21. Let x = principal . x + x × 4 × 846 100 x 360 196.92 . The interest is then found by subtracting from $ 196.92 , the value obtained for x . 22. First find the principal ( x ) ...
... Principal = $ 97.57 - $ 7.57 = $ 90 . 90 X 130 Xx = 7.57 . 21. Let x = principal . x + x × 4 × 846 100 x 360 196.92 . The interest is then found by subtracting from $ 196.92 , the value obtained for x . 22. First find the principal ( x ) ...
Σελίδα 119
... principal of $ 100 , at the given rate . 5. The pupils may remember ( Art . 878 , No. 15 ) that 5 % for a year is 1 % for 72 da . 6. 4 % per year is 1 % for 90 da . 11. 2 mo . 12 da . = 72 da . See 5 . - 12. 1 % for 80 da . is ( 360 + ...
... principal of $ 100 , at the given rate . 5. The pupils may remember ( Art . 878 , No. 15 ) that 5 % for a year is 1 % for 72 da . 6. 4 % per year is 1 % for 90 da . 11. 2 mo . 12 da . = 72 da . See 5 . - 12. 1 % for 80 da . is ( 360 + ...
Σελίδα 127
... principal- $ 150 , $ 575 , or $ 343.75— will double itself at 5 % in ( 100 ÷ 5 ) yr . 12. The pupils will need to obtain a correct idea of the mean- ing of the word " premium " in this connection , as they will find it used differently ...
... principal- $ 150 , $ 575 , or $ 343.75— will double itself at 5 % in ( 100 ÷ 5 ) yr . 12. The pupils will need to obtain a correct idea of the mean- ing of the word " premium " in this connection , as they will find it used differently ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
acres algebraic altitude amount angle answer apothem Arithmetic base bisecting calculate Cancel cents chord ciphers circle circumference common fraction construct contains convex surface cost days of grace deducting diameter difference discount dividend dividing division draft draw drawn employed equal equation examples exercises factors figure frustum given gives greatest common divisor Heart of Oak hypotenuse improper fraction inches interest intersecting least common multiple length measure method minuend mixed numbers multiplying NOTES ON CHAPTER number of degrees number of square obtain par value payment perpendicular pounds principal problems profits protractor pupils quarts quotient radius rectangle reduce remaining result rhombus right-angled triangle rods RULE scholars selling price side slant height solve subtract subtrahend teacher whole number write yards