Junior High School Mathematics: First [-third] Course, Βιβλίο 1Macmillan, 1917 |
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Σελίδα 32
... one FIG . 1 scale pan , you must change the weight in the other scale pan by just the same amount , if the scales are to stay bal- anced . If you divide one member ( or side ) of an equa- tion by 3 , you must also divide the other member ...
... one FIG . 1 scale pan , you must change the weight in the other scale pan by just the same amount , if the scales are to stay bal- anced . If you divide one member ( or side ) of an equa- tion by 3 , you must also divide the other member ...
Σελίδα 33
... Dividing each member by 3 , m = 6 . 13. A man gets a weekly salary of $ 18 . If he works six days , how much does he get per day ? SOLUTION . If d stands for the number of dollars he gets per day , the equation is 6 d = 18 . Dividing ...
... Dividing each member by 3 , m = 6 . 13. A man gets a weekly salary of $ 18 . If he works six days , how much does he get per day ? SOLUTION . If d stands for the number of dollars he gets per day , the equation is 6 d = 18 . Dividing ...
Σελίδα 34
... per hour ? SOLUTION . Let m = number of miles per hour , then 30 m = 675 . Dividing each member by 30 , m = CHECK . 30 X 22 = 675 . 221 . Ans . The battleship travels 22 miles per hour . ( This means that 221⁄2 miles is the average rate per ...
... per hour ? SOLUTION . Let m = number of miles per hour , then 30 m = 675 . Dividing each member by 30 , m = CHECK . 30 X 22 = 675 . 221 . Ans . The battleship travels 22 miles per hour . ( This means that 221⁄2 miles is the average rate per ...
Σελίδα 35
... Dividing each member by 6.8 , 3.4 1 Ρ = 6.8 2 CHECK . 6.8 X 3.4 Ans . P = 12 NOTE . In solving Exercises 11-19 , we have used the following axiom . * AXIOM . If equal numbers are divided by the same num- ber the quotients are equal ...
... Dividing each member by 6.8 , 3.4 1 Ρ = 6.8 2 CHECK . 6.8 X 3.4 Ans . P = 12 NOTE . In solving Exercises 11-19 , we have used the following axiom . * AXIOM . If equal numbers are divided by the same num- ber the quotients are equal ...
Σελίδα 39
... each member by 100 , Hence CHECK . 4 n = 16 . n = 4 . 4 16 25 = 100 * 10. Solve the equation Ans . The number = 4 . 2n = 4 . 3 SOLUTION . The given equation is 2n 3 = 4 . Multiplying each member by 3 , 2n = 12 . Dividing each member by ...
... each member by 100 , Hence CHECK . 4 n = 16 . n = 4 . 4 16 25 = 100 * 10. Solve the equation Ans . The number = 4 . 2n = 4 . 3 SOLUTION . The given equation is 2n 3 = 4 . Multiplying each member by 3 , 2n = 12 . Dividing each member by ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
acre of potatoes ALLEN HOPKINS amount automobile b₁ b₂ baseball Brown oak bushels cent of increase circle circular graph circumference column decimal fraction decimal point discount Dividing each member Draw the parallelogram Estimate EXAMPLE express Find its area Find the area Find the cost Find the distance Find the number Find the ratio Find the sum Find the total floor area following table formula height or altitude hundred include an angle line-graphs lot of land Mahogany marked price method miles per hour Multiplying each member nearest hundredth nearest tenth nearest thousandth number of square number value Overcoat partial product pounds protractor pupils put check rectangle rectangular graphs ruler scale of 100 Sideboard sold SOLUTION Solve the equation square feet square foot square inches square mile square yard straight line supplementary angles trapezoid triangle WILLIAM GENTLEMAN words write zoid ཋནཉྩ
Δημοφιλή αποσπάσματα
Σελίδα 142 - Time 60 seconds (sec.) = 1 minute (min.) 60 minutes = 1 hour (hr.) 24 hours = 1 day (da.) 7 days = 1 week (wk.) 365 days = 1 common year (yr.) 366 days = 1 leap year 12 months (mo.) = 1 year 10 years = 1 decade 10 decades or \ , , , „ , 1=1 century (cen. or U.) 100 years / J v ' Thirty days has September, April, June, and November; All the rest have thirty-one, Excepting February alone, To which we twenty-eight assign, Till leap year gives it twenty-nine.
Σελίδα 91 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet — 1 square yard (sq. yd.) 30^ square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
Σελίδα 141 - CUBIC MEASURE 1728 cubic inches (cu. in.) = 1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu. yd.) 128 cubic feet = 1 cord (cd...
Σελίδα 46 - LINEAR MEASURE 12 inches (in.) = 1 foot (ft.) 3 feet = 1 yard (yd.) 5£ yards, or 16| feet = 1 rod (rd.) 320 rods . = 1 mile (mi.) 1 mi.
Σελίδα 141 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30| square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq. mi.) Cubic Measure 1728 cubic inches (cu.
Σελίδα 117 - PERIPHERY of a circle is its entire bounding line ; or it is a curved line, all points of which are equally distant from a point within called the center.
Σελίδα 18 - Count the total number of digits to the right of the decimal points in the numbers you are multiplying.
Σελίδα 117 - The diameter of a circle is a straight line drawn through the center and terminated by the circumference.
Σελίδα 142 - ANGULAR MEASURE. 60 seconds (") = 1 minute ('). 60 minutes = 1 degree (°). 360 degrees = 1 circumference.