Eighth Grade Mathematic |
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altitude angle in Fig angle is equal Babbitt metal balance binomial circle circumference complement complementary angles correct to 001 counter shaft decimal diameter digits distance Divide Draw an angle emery wheel equation Evaluate Example Exercise expressed extracting the square Find its specific Find the angle Find the dimensions Find the number Find the ratio Find the sides Find the square Find the three Find the value force Formulas four angles fulcrum gear hypotenuse law of signs leverage caused line shaft Measure the angle miles per hour minus monomial negative numbers parentheses perigon perimeter problem proportion protractor quadratic equation rectangle revolutions per minute right angle right triangle rim speed similar terms Solve and check specific gravity square root step-cone pulley straight angle straight edge straight line subtracted supplement supplementary angles trinomial square weight width write the result
Popular passages
Page 91 - Four quantities are in proportion when the ratio of the first to the second is equal to the ratio of the third to the fourth.
Page 73 - Multiply the divisor by the first term of the quotient and subtract the product from the dividend.
Page 83 - Specific Gravity. The specific gravity of a substance is the ratio of the weight of the substance to the weight of the...
Page 60 - To multiply a polynomial by a monomial, multiply each term of the polynomial by the monomial and add the partial products: (6a — 3ft) x 3c = 18uc -96c.
Page 86 - The first and fourth terms of a proportion are called the extremes, and the second and third terms, the means. Thus, in the foregoing proportion, 8 and 3 are the extremes and 4 and 6 are the means.
Page 72 - To divide a polynomial by a monomial, divide each term of the polynomial by the monomial: (Sab — 12ac) -i- 4a = 36 — 3c.
Page 93 - If 6 men can do a piece of work in 10 days, how long will it take...
Page 9 - The same number, or equal numbers, may be added to both members of an equation without destroying the equality.
Page 13 - The second number is three times the first, and the third is four times the first. What are the numbers?
Page 122 - Щ feet in diameter ? 5. The distance passed over by a falling body varies directly as the square of the time. CHAPTER XXII REVIEW EXERCISES REVIEW EXERCISES FOR CHAPTER I 1. Write a formula for the area of a rectangle. 2. Write a formula for the volume of a rectangular solid. 3. If a = 2, b = 3, с = 4, find the value of , . nj, , ib + c 3c — 2b b + c — a; 2b — c + a; ^ ; aa 4.