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PtichkaEL [24]
3 years ago
6

What’s the linear function

Mathematics
1 answer:
Bingel [31]3 years ago
6 0

Answer:  linear function is any function that graphs to a straight line. What this means mathematically is that the function has either one or two variables with no exponents or powers. If the function has more variables, the variables must be constants or known variables for the function to remain a linear function.

Step-by-step explanation:

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Given 8 students 3 of which are females if 2 students are selected at random without replacement what is the probability that bo
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3/8

37.5% that they will be fremale
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4(2/3x +2) = 3x simplified
densk [106]

Answer:

x=24

Step-by-step explanation:

4(2/3x+2)=3x

8/3x+8=3x

collect like terms

8=3x-8/3x

8=\frac{9x-8x}{3}

cross multiplication

9x-8x=8 x 3

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2 years ago
Donald Brooks bought a desk for $125.
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Answer:

75%

Step-by-step explanation:

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3 years ago
A school psychologist notes that the average number of times that students are disruptive during class is 1.4 [μ=1.4] times per
marta [7]

Answer:

Reject the Null ;

0.928

Step-by-step explanation:

Given the data: 2, 4, 3, 5, 1, 1, 4

Sample mean = (2 + 4 + 3 + 5 + 1 + 1 + 4) / 7 = 2.857

Standard deviation, s = 1.57 ( using calculator)

The hypothesis :

H0 : μ = 1.4

H1 : μ ≠ 1.4

Since sample size is small, use T test

Test statistic :

Tstatistic = (x - μ) / s/sqrt(n)

Tstatistic = (2.857 - 1.4) / 1.57/sqrt(7)

Tstatistic = 1.457 / 0.593 = 2.455

Two tailed test at α = 0.05

Tcritical at df = 7-1 = 6 ; α = 0.05 = 2.447

Tstatistic > Tcritical ; reject the null

Since ;

2.455 > 2.447 ; we reject the null ;

There is significam evidence that Number of complaints has changed.

Effect size ;

d = (x - μ) / s

d = (2.857 - 1.4) / 1.57

d = 1.457 / 1.57

d = 0.928

5 0
3 years ago
Calculate the hourly wage of an employee who earned $127.50 in 14 1/4 (14.24) hours.
sleet_krkn [62]

Answer:

8.95$

9.00$ rounded

3 0
3 years ago
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