servicexpressmaroc
General
Algebra
Geometry
Coordinate-geometry
Statistics
Calculus
servicexpressmaroc
servicexpressmaroc
Home
General
Algebra
Geometry
Coordinate-geometry
Statistics
Calculus
MATH SOLVE
Home
I need help, you need to find x and yStep by step would be good thanks
General
2 months ago
A parabola has a vertex at the origin. The equation of the directrix of the parabola is y = 3. What are the coordinates of its focus?(0,3)(3,0)(0,–3)(–3,0)URGENT. NEED HELP QUICK.
General
2 months ago
Five percent of all vcrs manufactured by a large electronics company are defective. a quality control inspector randomly inspects groups of 10 vcrs from the production line. using the tables for the binomial probability distribution, what is the probability that exactly one of the vcrs is defective in any one group of 10 vcrs?
General
2 months ago
Bob the builder is making 480 kg of concrete mix concrete is made by mixing cement sand and gravel in the ratio 1:3:4 how much does he need
General
2 months ago
It is known that x1 and x2 are roots of the equation x2−8x+k=0, where 3x1+4x2=29. find k.
General
2 months ago
Find the measure of the central angle of a sector if its area is 5 pi and the radius is 6
General
2 months ago
What two nonnegative real numbers with a sum of 60 have the largest possible product?
General
2 months ago
The sum of two numbers is 36 . one number is 3 times as large as the other. what are the numbers?
General
2 months ago
In how many ways can 4 cards be drawn from a well-shuffled deck of 24 playing cards?
General
2 months ago
The joint p.m.f. of x and y is f(x,y) = 1/6, $0 \leq x+y \leq 2$, where x and y are nonnegative integers. compute cov(x, y). g
General
2 months ago
The management of the unico department store has decided to enclose an 834 ft2 area outside the building for displaying potted plants and flowers. one side will be formed by the external wall of the store, two sides will be constructed of pine boards, and the fourth side will be made of galvanized steel fencing. if the pine board fencing costs $6/running foot and the steel fencing costs $3/running foot, determine the dimensions of the enclosure that can be erected at minimum cost. (round your answers to one decimal place.)
General
2 months ago
The amounts (in ounces) of juice in eight randomly selected juice bottles are: 15.8, 15.6, 15.1, 15.2, 15.1, 15.5, 15.9, 15.5 construct a 95% confidence interval for the mean amount of juice in all such bottles. assume an approximate normal distribution.a.(15.250, 15.675)b.(15.206, 15.719)c.(15.257, 15.668)d.(15.284, 15.641)e.none of the above
General
2 months ago
How to solve :a store sells two kinds of candles, scented and unscented. the scented candles burn 1/12 inches in 20 minutes. then unscented candles burn 1/6 inches in 30 minutes. which type of candle burns in 1 hour and what is its burn rate?
General
2 months ago
He perimeter of a rectangle is 64 cm. find the lengths of the sides of the rectangle giving the maximum area. enter the answers for the lengths of the sides in increasing order.
General
2 months ago
A centrifuge accelerates uniformly from rest to 13000 rpm in 220 s . through how many revolutions did it turn in this time?
General
2 months ago
A dairy farmer plans to enclose a rectangular pasture adjacent to a river. to provide enough grass for the herd, the pasture must contain 128 square meters. no fencing is required along the river. what dimensions will use the least amount of fencing?
General
2 months ago
According to a study done by a university student, the probability a randomly selected individual will not cover his or her mouth when sneezing is 0.267. suppose you sit on a bench in a mall and observe people's habits as they sneeze. (a) what is the probability that among 18 randomly observed individuals exactly 8 do not cover their mouth when sneezing? (b) what is the probability that among 18 randomly observed individuals fewer than 6 do not cover their mouth when sneezing? (c) would you be surprised if, after observing 18 individuals, fewer than half covered their mouth when sneezing? why?
General
2 months ago
4^x=7^x-2 zhskdhdvdjd in dve
General
2 months ago
A men's department store sells 3 different suit jackets, 6 different shirts, 8 different ties, and 4 different pairs of pants. how many different suits consisting of a jacket, shirt, tie, andpants are possible?
General
2 months ago
Compare the wins-to-losses ratios for the teams. Team Records Team Wins Losses Cougars 12 10 Bobcats 20 10 Bulldogs 8 5 Tigers 3 5 Which team has the greatest ratio of wins-to-losses?
General
2 months ago
Previous
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
Next