First Course in Albegra |
Συχνά εμφανιζόμενοι όροι και φράσεις
9 a² 9 x² A's age A's salary a²b ab² added algebra angle axis B's age boys called circle circumference cost denominator distance divide divisible divisor Draw the graph equal EXAMPLE EXERCISES factor Fahrenheit feet Find the area Find the length Find the number find the value following equations formula fraction Hence hour hypotenuse investment larger truck middle term miles minuend minus numbers monomial multiply number of days Pages parenthesis perimeter polynomial pounds problem pupil quadratic equations quantity quotient radicand radius ratio rectangle result right triangle side Simplify solution Solve the equation square root subtract subtrahend temperature tons trinomial trips twice unknown number votes weight width written x²y x³y xy²
Δημοφιλή αποσπάσματα
Σελίδα 224 - A right-angled triangle (Fig. 24) is any triangle having one right angle. The side opposite the right angle is called the hypotenuse.
Σελίδα 7 - The area of a rectangle is found by multiplying the number of units in the length by the number of like units in the breadth.
Σελίδα 126 - In any proportion, the product of the extremes equals the product of the means.
Σελίδα 225 - LM is equal to the square root of the product of the sum and difference of LN and NM = */664xl66 = %'l 10224 = 332.
Σελίδα 305 - A on one bank of a river the angle of elevation of the top of a tree growing on the opposite bank is 5° 53
Σελίδα 165 - ... dollars. How many days did he work, and how many days was he idle ? Ans.
Σελίδα 42 - To subtract one number from another, change the sign of the subtrahend and add the result to the minuend.
Σελίδα 9 - The area of a triangle is found by multiplying the base by half the altitude.
Σελίδα 230 - For a trinomial to be a perfect square, the middle term must be twice the product of the square roots of the first and last terms.
Σελίδα 131 - If 4 casks of lime cost 12 dollars, what is the value of 1 barrel ? 6. A laborer earned 48 shillings in 6 days ; what did he receive per day ? 7. A man can perform a certain piece of labor in 30 days ; how long will it take 5 men to do the same ? 8. When 72 dollars are paid for 8 acres of land ; what cost 1 acre ? What cost 3 acres ? 9.