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bezimeni [28]
3 years ago
5

A handler loads one item every 10 ?minutes, so 48 items are completed in his first day of work. his manager checks his work by r

andomly selecting an hour of the day, when reviewing all the items he completed that hour. does this sampling plan result in a random? sample
Mathematics
1 answer:
Andrews [41]3 years ago
3 0
No, he put one up there every 10 minutes, meaning he is going at a consistent rate. No matter what hour he checks, the result will be the same.
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king's sporting goods have two bikes on sale one cost 89.98 and another cost 99.99 what is difference in the price of these two
timurjin [86]
99.99 minus 89.98 equals 10.01
3 0
3 years ago
What is the length of if ?<br><br> 8 in.<br> 8.75 in.<br> 10.25 in.<br> 14 in.
quester [9]

Answer:

Diagram attached

AJ = 8.75 in.  

Step-by-step explanation:

Since triangles HBA & HKJ are similar,    

BH/AH = KH/JH  

3 in /5.25 in = 8 in /JH  

JH = 14 in  

JA = JH - AH = JH - 5.25 in = 8.75 in


HJ = 14 in.

AJ = 14 in - 5.25 in  

AJ = 8.75 in.  

7 0
3 years ago
Using Cramer’s Rule, what is the value of x in the system of linear equations below? x+3y=16 3x+y=8
alexdok [17]
Cramer's rule works as follows:
x+3y=16
3x+y=8
Then 
x=Dx/D
y=Dy/D
where Dx,Dy,D are 2x2 matrices formed from of coefficients and right hand side.
D=
1 3
3 1
=1-9=-8
Dx=matrix D with first column replaced by the vector [16,8]=
16,3
8 1
=16-24
=-8

Dy=matrix D with second column replaced by the vector [16,8]=
1 16
3 8
=8-48
=-40

Therefore
x=-8/-8=1
y=--40/-8=5

Check:
x+3y=1+3(5)=16
3x+y=3(1)+5=8   ok.
4 0
3 years ago
During a four-week period, you worked the following hours: Week 1- 363 /8 hr; Week 2- 411 /4 hr; Week 3- 401 /2 hr; Week 4- 383
Kruka [31]
Dunno C. (Just guessing im not so good at maths)
6 0
3 years ago
Read 2 more answers
I will give brainliest!!!
expeople1 [14]

Answer:

<h3>CHOICE A.</h3>

Step-by-step explanation:

<em><u>There are 2 p’s and 3 q’s. So it is choice a.</u></em>

5 0
3 years ago
Read 2 more answers
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