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AfilCa [17]
3 years ago
10

Pls help me asap will mark brainliest if right

Mathematics
2 answers:
pochemuha3 years ago
8 0
C. Because (b bus pay + 20) twice because are 2 classes has to be 240
AysviL [449]3 years ago
4 0
Hey! The answer is C.
 
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The wall street journal corporate perceptions study 2011 surveyed readers and asked how each rated the quality of management and
malfutka [58]

Answer:

Hello some parts of your question is missing below is the missing part

answer : A) p-value =  0.0019 ,

The level of significance ( 0.05 ) > p-value ( 0.0019 )

B) There is no dependence between the two ratings

Step-by-step explanation:

A) using a 0.05 level of significance and test for independence of the quality of management

Test statistic : X^{2}  ∑ ( Oi - Ei )^2 / Ei

= [(40-35)^2 / 35 ] +  [(25-24.5)^2 / 24.5 ] +  [(5-10.5)^2 / 10.5]  +  [(35-40)^2 / 40]  +  [(35-28)^2 / 28]  +  [(10-12)^2 / 12]  +   [ (25-25)^2 / 25 ]  +  [(10-17.5)^2 / 17.5 ]  + [(15-7.5)^2 / 7.5]  =  17.03  

p-value = 0.0019

Df = 4  ,

The level of significance ( 0.05 ) > p-value ( 0.0019 )

B) There is no dependence between the two ratings

4 0
3 years ago
A line segment is formed by connecting two points located at (-4,2) and (2,-1). What is the slope of this line segment? A.-3/8 B
Scorpion4ik [409]
The formula for slope is 
m= (y₂-y₁)/(x₂-x₁)
you can plug in the points that you are given to find the slope
m= (-1-2)/(2-(-4)
m= -3/6

the slope is -3/6 which reduced to -1/2

so the answer would be 
c) -1/2

hope this helped!
3 0
3 years ago
If a case of chips has 27 bags in it. How many cases would they need for 410 bags of chips?
kodGreya [7K]

Answer:

they would need 15 cases for 410 bag of chips

Step-by-step explanation:

410/7= about 15

3 0
2 years ago
Can someone please help !!!!!
Katen [24]
I'm I am so sorry I haven't done this hey sorry
8 0
3 years ago
WHOEVER ANSWERS IT WILL GET BRAINIST ASAP DUE IN 5 MINUTES
sweet-ann [11.9K]

Answer:

A. & B.

Step-by-step explanation:

General form is ax2 + bx + c = 0.

Must contain an x2 term

Must NOT contain terms with degrees higher than x2 eg. x3, x4 etc

5 0
3 years ago
Read 2 more answers
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