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gayaneshka [121]
4 years ago
14

The waiting time in line at an ice cream shop has a uniform distribution between 0 and 9 minutes. What is the 80th percentile of

this distribution? (Recall: The 80th percentile divides the distribution into 2 parts so that 80% of area is to the left of 80th percentile) _______ minutes Answer: (Round answer to one decimal places.)
Mathematics
1 answer:
Nadya [2.5K]4 years ago
5 0

Answer:

Which of these statements is true?

July 03 book Science up36 down8

A

Places on the same longitude have the same day length on any given day.

B

The local time will be same for all places on the same latitude.

C

At 00 longitude, at some time, it would be noon to the east and midnight to the west.

D

The maximum time difference between any two places will be just below 24 hours.

Step-by-step explanation:

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Solve the following proportion using the multiplication property of equality.
Advocard [28]
What is 35/60 Simplified? - 7/12 is the simplified fraction for 35/60. Simplify 35/60 to the simplest form.
3 0
3 years ago
Can someone pls help me
svetoff [14.1K]

18/24=0.75

?/80=.75

80x.75=?

?=60

5x+10=60

    -10  -10

5x=50

/5   /5

x=10

sub x in for 10

10x5=50+10=60

C.X=10

4 0
3 years ago
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4y+20= 60 what does y equal?
lora16 [44]
Y=10 is the answer
I hope that helps
5 0
3 years ago
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Write the word sentence as an equation.
german

Answer:

n is 12

Step-by-step explanation:

n+8=20

n=20-8

n=12

Hope this helps!

8 0
3 years ago
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Find two numbers whose difference is 13 and whose squares when added is 449.
alex41 [277]
X, y - the numbers

x-y=13 \\
x^2+y^2=449 \\ \\
\hbox{solve the first equation for x:} \\
x-y=13 \\
x=13+y \\ \\
\hbox{substitute the result for x in the second equation:} \\
(13+y)^2+y^2=449 \\
169+26y+y^2+y^2=449 \\
2y^2+26y+169-449=0 \\
2y^2+26y-280=0 \ \ \ \ \ \ \ \ \ \ \ |\div 2 \\
y^2+13y-140=0 \\
y^2+20y-7y-140=0 \\
y(y+20)-7(y+20)=0 \\
(y-7)(y+20)=0 \\
y-7=0 \ \lor \ y+20=0 \\
y=7 \ \lor \ y=-20

x=13+y \\ \Downarrow \\ \hbox{for } y=7: \\
x=13+7 \\
x=20 \\ \\
\hbox{for } y=-20: \\
x=13-20 \\
x=-7 \\ \\
(x,y)=(20,7) \hbox{ or } (x,y)=(-7,-20)

The numbers are 20 and 7 or -7 and -20.
6 0
3 years ago
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