3 years ago

Solve for x: 6/x + 2/2x = 8/x + 1/3

Mathematics

1 answer:

KIM [24]3 years ago

6 0

Ans: x=1.590667 or x= -1.257334

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Consider the population of four juvenile condors. Their weights in pounds are : 4, 5, 7, 12 (a) Let x be the weight of a juvenil

creativ13 [48]

Answer:

a) 4, 5, 7, 12

b) 7

c) 4.5, 6.5, 8, 6, 8.5, 9.5

d) 7.167

Step-by-step explanation:

We are given the following in the question:

4, 5, 7, 12

a) unique values for x

4, 5, 7, 12

b) mean of the population

$Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}$

$\mu =\displaystyle\frac{28}{4} = 7$

c) sampling distribution for samples of size 2

Sample size, n = 2

Possible samples of size 2 are (4,5),(4,7),(4,12),(5,7),(5,12),(7,12)

Sample means are:

$\bar{x_1} = \dfrac{4+5}{2} = 4.5\\\\\bar{x_2} = \dfrac{4+7}{2} = 6.5\\\\\bar{x_3} = \dfrac{4+12}{2} = 8\\\\\bar{x_4} = \dfrac{5+7}{2} = 6\\\\\bar{x_5} = \dfrac{5+12}{2} = 8.5\\\\\bar{x_6} = \dfrac{7+12}{2} = 9.5$

Thus, the list is 4.5, 6.5, 8, 6, 8.5, 9.5

d) mean of the sampling distribution

$\bar{x} = \dfrac{4.5 + 6.5 + 8+ 6 + 8.5+ 9.5}{6} = \dfrac{43}{6} = 7.167$

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Since it has been split up into triangles we know that 60 and 25 are two angles of each triangle.
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Gatlin made 5 dresses with 3.5 yards of fabric. how many yards did she use on 1 dress

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How many solutions does this system have? 5y = x - 9 4x - 10y = 18 plzzz i need answer now

Veseljchak [2.6K]

l o l

o k

s o

5x=x-9 and 4x-10y=8

lets graph that on desmos cause I'm too lazy to subsitute it .

it has one answer

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