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exis [7]
3 years ago
6

(2x/3)=x+2 With working out plzzz

Mathematics
1 answer:
MissTica3 years ago
5 0

Answer:

x= -6

Step-by-step explanation:

2x/3=x+2

multiply each side by 3

2x/3*3=x+2*3

calculate

2x=3x+6

move variable to the left and change the sign

2x-3x=6

collect like terms

-x=6

change the signs

x= -6

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Three out of 7 people were sneakers. In Grand
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3 years ago
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a) The weekly wages of employees of Volta gold are normally distributed about a mean of $1,250 with a standard deviation of $120
Fantom [35]

Answer:

0.7102

0.8943

0.3696

Step - by - Step Explanation :

A.) Between $1320 and $970

P(Z < 1300) - P(Z < 970)

find the Zscore of each scores and their corresponding probability uinag the standard distribution table :

P(Z < (x - μ) /σ) - P(Z < (x - μ) / σ))

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P(Z < 0.5833) - P(Z < - 2.333)

0.7200 - 0.0098 = 0.7102 (Standard

=0.7102

B.)Under 1400

x = 1400

P(Z < 400)

P(Z < (x - μ) /σ)

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P(Z < 1.25) = 0.8943

C.) Over 1290

P(Z > 1290)

P(Z < (x - μ) /σ)

P(Z > (1290 - 1250) /120 = 0.3333

P(Z > z) = 1 - P(Z < 0.3333) = P(Z < 0.3333) = 0.6304

P(Z > 0.3333) = 1 - 0.6304 = 0.3696

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3 years ago
Please help with this Algebra 1 math problem:
Ksenya-84 [330]
2................................................................
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