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prohojiy [21]
3 years ago
7

What is the inverse of y=4

Mathematics
2 answers:
QveST [7]3 years ago
4 0

Answer:

y= -1/4

Step-by-step explanation:

ElenaW [278]3 years ago
4 0
Y=1/4 is the inverse
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A study was designed to compare the attitudes of two groups of nursing students towards computers. Group 1 had previously taken
trasher [3.6K]

Answer:

Kindly check explanation

Step-by-step explanation:

Given the following :

Group 1:

μ1 = 59.7

s1 = 2.8

n1 = sample size = 12

Group 2:

μ2 = 64.7

s2 = 8.3

n2 = sample size = 15

α = 0.1

Assume normal distribution and equ sample variance

A.)

Null and alternative hypothesis

Null : μ1 = μ2

Alternative : μ1 < μ2

B.)

USing the t test

Test statistic :

t = (m1 - m2) / S(√1/n1 + 1/n2)

S = √(((n1 - 1)s²1 + (n2 - 1)s²2) / (n1 + n2 - 2))

S = √(((12 - 1)2.8^2 + (15 - 1)8.3^2) / (12 + 15 - 2))

S = 6.4829005

t = (59.7 - 64.7) / 6.4829005(√1/12 + 1/15)

t = - 5 / 2.5108165

tstat = −1.991384

Decision rule :

If tstat < - tα, (n1+n2-2) ; reject the Null

tstat < t0.1,25

From t table :

-t0.1, 25 = - 1.3163

tstat = - 1.9913

-1.9913 < - 1.3163 ; Hence reject the Null

5 0
3 years ago
Hannah has 67.32 centimeters of wire. She uses 2 pieces of the wire.
mojhsa [17]

Answer:

38.46 (Rounded: 38.5)

Step-by-step explanation:

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3 0
3 years ago
PLEASE HELP!!! THANK YOU!!!
notka56 [123]

Answer:

A. 4%

Step-by-step explanation:

remember that there are 52 weeks in a year, so multiply 1000 by each answer, then multiply what you get by 52 to see if it is either below 2000 or just above 2000, and you'll see how i got 4%.

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2 years ago
Determine the equation of the line with slope -4 that passes through the point M(-2, 1).
meriva

Answer:1

Step-by-step explanation:

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Answer:

outer circle=22/7×8^2

=201.143

inner circle=22/7×2^2

=12.571

shaded portion= 201.143-12.571

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3 years ago
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