\fdO'^ - Old Forge Coal Mines

More documents

Recommendations

Info

130 ALGEBRA. , ,v J L - Z. ^^ 4^ Qx' ~ r Clearing of fractions, 9 — 2 = 28;ir*.* Transposing terms, 28;^" = 7. Extracting the square root of both members. ~ , 1 .*• = ± -. Ans. ^^^ 5 15 25 Clearing of fractions by multiplying each term of both members by 75, the L. C. M. of the denominators, and ex- panding, 15x' - 5x' + 50 = 525 - 150 - dx\ Transposing and uniting terms, ISx' = 325. Dividing by 13, /i
(246) Then,-^ X ALGEBRA. 131 Let X = speed of one. 4r + 10 = speed of other. 1,200 ;r+ 10 = number of hours one train required. = number of hours other train required. 1,200 _ 1,200 X ~ ;ir + 10 + 10. l,200.jr + 12,000 = 1,200^ + 10.t:' + lOOx — 10.r' — 100.r = — 12,000. 10-ir' + 100A'= 12,000. ;ir' + 10^:= 1,200. ;r» + 10^ + 25 = 1,200 + 25 = 1,225. ^ + 5 = ± 35. (247) 2^-^^—-? -4=0 5 3y + ^^-9 = 4r = 30 miles per hour. ;r + 10 = 40 miles per hour. [ Ans. cleared of fractions, becomes 10^-j^+3-20 = 0. (1) 9y + X - 2 - 27 = 0. (2) Transposing and uniting, 10.f — j=17. (3) ;ir + 9j = 29. (4) Multiplying (4) by 10 and subtracting (3) from the result, i0.ir+90j=290 y)x- y= Yt 91j = 273 y — Z. Ans. Substituting value of ^ in • (4), ;r+27 = 29. ;r = 2. Ans. (248) {a) v^ X (^ = 2* X 3*. (Art. 547.) 2* X 3* = "V^ X ''(/F= f/32 X 27 = '^'864. Ans.
Page 1 and 2:
\fdO'^ x\\{: f i ( ':\ ^i > ;v\;V -
Page 3:
c c c tec C €
Page 8 and 9:
( W v. 5 Copyright, 1897, by The Co
Page 11:
Arithmetic, - CONTENTS Algebra, Log
Page 14 and 15:
i ARITHMETIC. of tens. 1 + 8 + 7 +
Page 16 and 17:
4 ARITHMETIC. and the difference (4
Page 18 and 19:
ARITHMETIC. (c) 217 Multiply any tw
Page 20 and 21:
8 ARITHMETIC. 72 in the dividend an
Page 22 and 23:
10 ARITHMETIC. (70 X 50 X 24 X 20).
Page 24 and 25:
12 ARITHMETIC, The 5 in the dividen
Page 26 and 27:
14 ARITHMETIC. (22) (a) 576) 589824
Page 28 and 29:
16 ARITHMETIC. (33) To reduce a fra
Page 30 and 31:
18 ARITHMETIC. 3 3 (e) 15-r-7-43-=
Page 32 and 33:
20 ARITHMETIC. (41) ,9| + 50i + 41+
Page 34 and 35:
22 ARITHMETIC. (45) The man evident
Page 36 and 37:
24 ARITHMETIC. • u s o e 3 2 o 93
Page 38 and 39:
26 ARITHMETIC. {b) Here again the p
Page 40 and 41:
28 ARITHMETIC. 64) 1.000000(. 01562
Page 42 and 43:
30 ARITHMETIC. (66) In subtraction
Page 44 and 45:
38 ARITHMETIC. (6) .875 — 5-=? Re
Page 46 and 47:
84 ARITHMETIC. {c) First perform th
Page 48 and 49:
36 ARITHMETIC. Reducing 387 387 to
Page 50 and 51:
38 ARITHMETIC. nominator of the fra
Page 52 and 53:
40 ARITHMETIC. (d) Base = percentag
Page 54 and 55:
42 ARITHMETIC. Another method of so
Page 56 and 57:
44 ARITHMETIC. (89) Here we have gi
Page 58 and 59:
46 ARITHMETIC. 24 ) 13750 gr. 20 )
Page 60 and 61:
48 ARITHMETIC. (98) Reduce the grai
Page 62 and 63:
50 ARITHMETIC. contained times in 3
Page 64 and 65:
gal.
Page 66 and 67:
54 ARITHMETIC. (108) In multiplicat
Page 68 and 69:
56 ARITHMETIC. Since there are 24 g
Page 70 and 71:
58 ARITHMETIC. There are 100 lb. in
Page 72 and 73:
60 ARITHMETIC. 62 is contained in 1
Page 74 and 75:
63 ARITHMETIC. (121) (a) 106' = 106
Page 76 and 77:
64 ARITHMETIC. (^) .4044* = .4044 X
Page 78 and 79:
6G ARITHMETIC. Since there are 2 de
Page 80 and 81:
68 ARITHMETIC. (128) {a) .0133' =.0
Page 82 and 83:
70 ARITHMETIC (130^ (a) 1 1 20 _8 2
Page 84 and 85:
72 ARITHMETIC. in the root. Write i
Page 86 and 87:
74 ARITHMETIC. (^) 9 -/QO.OO'OO'OO
Page 88 and 89:
76 ARITHMETIC. correction. This, mu
Page 90 and 91:
78 ARITHMETIC. found by division sh
Page 92 and 93: 80 ARITHMETIC. (137) {a) 1 1 f .0 6
Page 94 and 95: 82 ARITHMETIC. (138^ {a) In this ex
Page 96 and 97: 84 ARITHMETIC. (^)
Page 98 and 99: 86 ARITHMETIC. {b) f 6 = VTa 2 4/G.
Page 100 and 101: 88 8 8 ARITHMETIC.
Page 102 and 103: 90 ARITHMETIC. 40,000 144)40000.0(2
Page 104 and 105: 92 ARITHMETIC. (163) 2 ft. 5 in. =
Page 106 and 107: 94 ARITHMETIC. (164) Taking the tim
Page 108 and 109: 96 ALGEBRA. (171) See Arts. 352 and
Page 110 and 111: 98 ALGEBRA. In this case, where we
Page 112 and 113: 100 ALGEBRA. By Art. 482, the signs
Page 114 and 115: 102 ALGEBRA. (189) Applying the met
Page 116 and 117: 104 ALGEBRA. (196) {a) ^+_;/ + ^-(^
Page 118 and 119: 106 ALGEBRA- (201 ) The subtraction
Page 120 and 121: 108 ALGEBRA. Canceling the factors
Page 122 and 123: 110 ALGEBRA. (208) (a) Writing the
Page 124 and 125: 112 ALGEBRA. 20j^(4^+5)-12.r(3:r-7)
Page 127 and 128: ALGEBRA. (QUESTIONS 218-257.) (218)
Page 129 and 130: ALGEBRA. 117 Clearing of fractions,
Page 131 and 132: ALGEBRA. 119 Transposing, — A:X*
Page 133 and 134: Completing the square, ALGEBRA. 131
Page 135 and 136: Extracting ALGEBRA. 123
Page 137 and 138: (d) Completing the square, Extracti
Page 139 and 140: ALGEBRA. 127 (238) (a) i/| by Art.
Page 141: (242) ALGEBRA. 139 Let X = the whol
Page 145 and 146: ALGEBRA. 133 y+5-{x-o) = 6. (1) But
Page 147 and 148: ALGEBRA. 136 (266) Let X — the nu
Page 149 and 150: LOGARITHMS. (QUESTIONS 258-272.) (2
Page 151 and 152: l^OGARITHMS. 139 .6602 -3 — 1.980
Page 153 and 154: LOGARITHMS. 141 {l>) .76'"._ Log .7
Page 155: LOGARITHMS. 143 (271) Substituting
Page 158 and 159: 140 GEOMETRY AND TRIGONOMETRY. in t
Page 160 and 161: 148 GEOMETRY AND TRIGONOMETRY. 3 (2
Page 162 and 163: 150 GEOMETRY AND TRIGONOMETRY. (302
Page 166 and 167: 154 GEOMETRY AND TRIGONOMETRY. draw
Page 170 and 171: 158 GEOMETRY AND TRIGONOMETRY. {d)
Page 176 and 177: 1G4 GEOMETRY AND TRIGONOMETRY. (354
Page 178 and 179: 166 ELEMENTARY MECHANICS. per min.
Page 180 and 181: 168 ELEMENTARY MECHANICS. replaced,
Page 182 and 183: 170 ELEMENTARY MECHANICS. (384) (a)
Page 184 and 185: 172 ELEMENTARY MECHANICS. (389) See
Page 186 and 187: 174 ELEMENTARY MECHANICS. (398) 1 h
Page 188 and 189: 176 ELEMENTARY MECHANICS (412) Use
Page 190 and 191: 178 ELEMENTARY MECHANICS. (421) See
Page 192 and 193:
180 ELEMENTARY MECHANICS. a distanc
Page 194 and 195:
182 ELEMENTARY MECHANICS. (433) See
Page 196 and 197:
184 ELEMENTARY MECHANICS. (d) Using
Page 198 and 199:
186 ELEMENTARY MECHANICS. (452) (a)
Page 200 and 201:
188 HYDROMECHANICS. (457) (a) Area
Page 202 and 203:
190 HYDROMECHANICS. Pressure due to
Page 204 and 205:
192 HYDROMECHANICS. (47 1 ) (a) 36
Page 206 and 207:
194 HYDROMECHANICS. 5' X 7854 (479)
Page 208 and 209:
196 HYDROMECHANICS. (d) See Art. 10
Page 210 and 211:
198 HYDROMECHANICS. Pressure per sq
Page 212 and 213:
aOO HYDROMECHANICS. For z;„ = 4,/
Page 214 and 215:
202 PNEUMATICS. (509) Substituting
Page 216 and 217:
204 PNEUMATICS. (519) 8.47 = origin
Page 218 and 219:
206 PNEUMATICS. (537) (a) 30 — 17
Page 220 and 221:
208 PNE-aMATlCS. (548) CO' — 50'
Page 222 and 223:
210 STRENGTH OF MATERIALS. P- p-^^.
Page 224 and 225:
212 STRENGTH OF MATERIALS. Since 40
Page 226 and 227:
214 STRENGTH OF MATERIALS. drawn. P
Page 228 and 229:
21G STRENGTH OF MATERIALS. c \d of
Page 230 and 231:
218 STRENGTH OF MATERIALS. n o. I//
Page 232 and 233:
220 STRENGTH OF MATERIALS. Substitu
Page 234 and 235:
222 STRENGTH OF MATERIALS. (589) Su
Page 236 and 237:
224 STRENGTH OF MATERIALS. (597) {a
Page 238 and 239:
226 STRENGTH OF MATERIALS. (d) In t
Page 240 and 241:
228 STRENGTH OF MATERIALS. (604) Us
Page 242 and 243:
230 STRENGTH OP MATERIALS. (609) Th
Page 244 and 245:
232 STRENGTH OF MATERIALS. moments
Page 246 and 247:
234 SURVEYING. adjacent sides of th
Page 248 and 249:
236 SURVEYING. (622) 1st. A B in Fi
Page 250 and 251:
238 SURVEYING. true bearing IS the
Page 252 and 253:
240 SURVEYING. A B, as the bearing
Page 254 and 255:
Un SURVEYING. an angle of 15° 10'
Page 256 and 257:
244 SURVEYING. in dotted lines. In
Page 258 and 259:
246 SURVEYING. table of Radii and D
Page 260 and 261:
248 SURVEYING. ^^^ = 1.875'. The de
Page 262 and 263:
. (690) 250 SURVEYING. sight to the
Page 264 and 265:
252 SURVEYING. and including that a
Page 266 and 267:
254 SURVEYING. horizontal lines 1 f
Page 269 and 270:
(706) LAND SURVEYING (QUESTIONS 706
Page 271 and 272:
LAND SURVEYING. 259 ture of A B is
Page 273 and 274:
LAND SURVEYING. 261 -{-, in the col
Page 275 and 276:
LAND SURVEYING. 263 is +8.86 chains
Page 277 and 278:
a a *• o « .i Q a V Q + • hJ *
Page 279 and 280:
LAND SURVEYING. 2G7
Page 281 and 282:
RAILROAD LOCATION. (756) (QUESTIONS
Page 283 and 284:
RAILROAD LOCATION. 271 second curve
Page 285 and 286:
RAILROAD LOCATION. 273 in which;!'
Page 287 and 288:
RAILROAD LOCATION. 275 Whence, we h
Page 289 and 290:
RAILROAD LOCATION. 277 4.0827 ft.,
Page 291:
point so determined by RAILROAD LOC
Page 294 and 295:
282 RAILROAD CONSTRUCTION. (818) Th
Page 296 and 297:
884 RAILROAD CONSTRUCTION. (833) Ap
Page 298 and 299:
286 RAILROAD CONSTRUCTION. (859) Fi
Page 300 and 301:
288 RAILROAD CONSTRUCTION. (864) (8
Page 303 and 304:
RAILROAD CONSTRUCTION. (QUESTIONS 8
Page 305 and 306:
RAILROAD CONSTRUCTION. 293 (896) Se
Page 307 and 308:
RAILROAD CONSTRUCTION. 295 (a) The
Page 309:
RAILROAD CONSTRUCTION. 207 (939) Se
Page 312 and 313:
300 TRACK WORK. (962) (963) (964) (
Page 314 and 315:
302 TRACK WORK. (994) See Art. 1687
Page 316 and 317:
304 TRACK WORK. (1008) 8 ft. G in.
Page 318 and 319:
306 RAILROAD STRUCTURES. (1039) See
Page 320 and 321:
308 RAILROAD STRUCTURES. (1060) Fro
Page 326 and 327:
3," ^ >;> :3 3>32> ^ >:> J> Oi?^ :>
Page 328:
UNIVERSrTY OF ILLINOIS-URBANA 3 011
show all

\fdO'^ - Old Forge Coal Mines

Create successful ePaper yourself

Delete template?

Save as template?