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lilavasa [31]
2 years ago
13

Please give question for the answer.

Mathematics
2 answers:
Sindrei [870]2 years ago
8 0
Answer:
a = 5
f(x) 3 x
fenix001 [56]2 years ago
3 0

Answer:

f(x)=\sqrt[3]{x} \\a=5

Step-by-step explanation:

f(x)=\sqrt[3]{x} \\a=5

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Suppose that 200 students are randomly selected from a local college campus to investigate the use of cell phones in classrooms.
serious [3.7K]

Answer:

It would change to 0.04802

Step-by-step explanation:

from this question we have that n became 400

40% of 400

= 160

p* = 160/400

= 0.4

1 - p* =

= 1 - 0.4

= 0.6

at confidence level,

1 - 0.95

= 0.05

alpha/2 = 0.025

z= 1.96

<u>margin of error. E</u>

= 1.96 x √[(0.4 x 0.6)/400]

= 1.96 x 0.0245

= 0.04802

M.E = 0.04802

6 0
2 years ago
sally gave her brother 3.95 in quarters and dimes. if the number of quarters is 6 more then the number of dimes, how many quarte
iragen [17]
Let q be the number of 25 cent coins.
Let d be the number of 10 cent coins.
0.25q+0.10d= 3.95...(1)
q-d=6...(2)

(2)->    q-d= 6
       q-d+d= 6+d
              q= 6+d...(2a)

(2a)-> (1)      0.25q+0.10d=3.95
              0.25(6+d)=0.10d= 3.95
           1.95+0.25d+0.10d= 3.95
                               0.35d= 3.95-1.5
                       0.35d/0.35= 2.45/0.35
                                      d= 7...(3)

(3)->(2)     q-d= 6
                 q-7= 6
                    q=6+7
                    q= 13
There are 13 quarters and 7 dimes.
7 0
3 years ago
Benny bought 5 new trading cards to add to his collection. The next day his dog ate half of his collection. There are now only 4
Studentka2010 [4]
81 cards 43x2=86  86-5=81
3 0
3 years ago
Could you help me solve this
sammy [17]
Could it be Red Blue Blue Green Purple? Or Red Blue Green Grey Purple?
4 0
3 years ago
11. find the value of x in the kite below.<br> E<br> (6x + 6)<br> F<br> Р<br> G
cluponka [151]

14.

Step-by-step explanation:

6x+6=90 (being a straight line)

6x=90-6

6x=84

x= 84/6

x=14.

8 0
3 years ago
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