Junior Mathematics, Βιβλίο 1Macmillan, 1925 |
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Αποτελέσματα 1 - 5 από τα 60.
Σελίδα 2
... show how fast our car travels , and a steam gage to determine the pressure in our heating plant . The accuracy required in measurement depends largely on the use to be made of the result . If a boy wants to measure the length of the ...
... show how fast our car travels , and a steam gage to determine the pressure in our heating plant . The accuracy required in measurement depends largely on the use to be made of the result . If a boy wants to measure the length of the ...
Σελίδα 10
... boys and the girls and , by comparing each of these averages with the correct measure , we can compare the work of the boys with that of the girls . The following example shows how to find the average of 10 JUNIOR MATHEMATICS.
... boys and the girls and , by comparing each of these averages with the correct measure , we can compare the work of the boys with that of the girls . The following example shows how to find the average of 10 JUNIOR MATHEMATICS.
Σελίδα 11
Ernst Rudolph Breslich. The following example shows how to find the average of several numbers . Find the average of 63 , 41 , 52 . Solution : Changing all fractions to the same de- nominator , we have 8 63 + 4 + 52 = 612 + 412 + 511⁄2 ...
Ernst Rudolph Breslich. The following example shows how to find the average of several numbers . Find the average of 63 , 41 , 52 . Solution : Changing all fractions to the same de- nominator , we have 8 63 + 4 + 52 = 612 + 412 + 511⁄2 ...
Σελίδα 14
... show how actual length can be found in a scale drawing . If an inch on the drawing ( Fig . 20 ) represents a length of 8 inches in the frame of the picture , the actual length and width of the frame may be found by multiplying each of ...
... show how actual length can be found in a scale drawing . If an inch on the drawing ( Fig . 20 ) represents a length of 8 inches in the frame of the picture , the actual length and width of the frame may be found by multiplying each of ...
Σελίδα 25
... Show that CE is equal to 1 . Show that EF is equal to 1 . Hence CF is equal to 2 . 2/28 B E FGD Show that FG is equal to .2 . FIG . 33 Show by estimating that GD is .08 , approximately . Show that CD is approximately 2.28 . Hence AB is ...
... Show that CE is equal to 1 . Show that EF is equal to 1 . Hence CF is equal to 2 . 2/28 B E FGD Show that FG is equal to .2 . FIG . 33 Show by estimating that GD is .08 , approximately . Show that CD is approximately 2.28 . Hence AB is ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
acute angles adjacent angles angle equal angles are equal arcs B₁ bar graph bushels cent centimeters central angle circle circular graph compass compass and straightedge complementary angles concurrent lines construction corresponding cost decimal decimeter denoted diameter discount divided Draw a line Draw a triangle draw an angle equal numbers equation equilateral EXERCISES Find the angles Find the average Find the number formula for finding fractions given Hence hour intersecting line graph line segment literal number longitude mathematics means Measure angles meter method metric system miles minutes monomials number of degrees numerical facts paid parallel lines perigon perimeter perpendicular places polygon pounds problems protractor radius ratio right angle right triangle ruler scale drawing selling Show shown Solution Solve the following squared paper straight angle straight lines subtract supplementary angles three figures triangle ABC unit vertex yards
Δημοφιλή αποσπάσματα
Σελίδα 274 - 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 19 - Stand at the door of a church on a Sunday, and bid sixteen men to stop, tall ones and small ones, as they happen to pass out when the service is finished; then make them put their left feet one behind the other, and the length thus obtained shall be a right and lawful rood to measure and survey the land with, and the sixteenth part of it shall be a right and lawful foot.
Σελίδα 112 - Two triangles are congruent if two sides and the included angle of one are equal respectively to two sides and the included angle of the other.
Σελίδα 273 - Measures of Length 10 millimeters (mm) =1 centimeter cm 10 centimeters =1 decimeter dm 10 decimeters =1 meter m 10 meters =1 dekameter Dm 10 dekameters =1 hektometer Hm 10 hektometers =1 kilometer Km...
Σελίδα 137 - In any proportion, the product of the means is equal to the product of the extremes.
Σελίδα 275 - DRY MEASURE 2 pints (pt.) = 1 quart (qt.) 8 quarts =1 peck (pk.) 4 pecks = 1 bushel (bu...
Σελίδα 105 - If two parallel lines are cut by a transversal, the corresponding angles are equal.
Σελίδα 12 - Take the first term from the second, the second from the third, the third from the fourth, &c. and the remainders will form a new series, called the first order of
Σελίδα 98 - In a right triangle, the side opposite the right angle is called the hypotenuse and is the longest side.
Σελίδα 20 - MEASURE. 12 inches (in.) =1 foot (ft.). 3 feet (ft.) =1 yard (yd.).