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irga5000 [103]
2 years ago
5

Answer please helpppp!!!

Mathematics
2 answers:
Anika [276]2 years ago
8 0

Answer: exit and see what It looks like them look it up  then put quizziz them find the one you are looking for teh it will give you the creater then press perview then click show answers so you will get the answers.

Step-by-step explanation:

AlexFokin [52]2 years ago
6 0

Answer:

Answer: 4 feet long :)))

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Find the surface area of the cube shown below. A. 66 cm2 B. 121 cm2 C. 726 cm2 D. 1,331 cm2
irina [24]

Answer:

66

Step-by-step explanation:

3 0
1 year ago
he amount of time that a customer spends waiting at an airport check-in counter is a random variable with mean 8.3 minutes and s
sp2606 [1]

Complete question:

He amount of time that a customer spends waiting at an airport check-in counter is a random variable with mean 8.3 minutes and standard deviation 1.4 minutes. Suppose that a random sample of n equals 47 customers is observed. Find the probability that the average time waiting in line for these customers is

a) less than 8 minutes

b) between 8 and 9 minutes

c) less than 7.5 minutes

Answer:

a) 0.0708

b) 0.9291

c) 0.0000

Step-by-step explanation:

Given:

n = 47

u = 8.3 mins

s.d = 1.4 mins

a) Less than 8 minutes:

P(X

P(X' < 8) = P(Z< - 1.47)

Using the normal distribution table:

NORMSDIST(-1.47)

= 0.0708

b) between 8 and 9 minutes:

P(8< X' <9) =[\frac{8-8.3}{1.4/ \sqrt{47}}< \frac{X'-u}{s.d/ \sqrt{n}} < \frac{9-8.3}{1.4/ \sqrt{47}}]

= P(-1.47 <Z< 6.366)

= P( Z< 6.366) - P(Z< -1.47)

Using normal distribution table,

NORMSDIST(6.366)-NORMSDIST(-1.47)

0.9999 - 0.0708

= 0.9291

c) Less than 7.5 minutes:

P(X'<7.5) = P [Z< \frac{7.5-8.3}{1.4/ \sqrt{47}}]

P(X' < 7.5) = P(Z< -3.92)

NORMSDIST (-3.92)

= 0.0000

3 0
2 years ago
The diagonals of a rectangle ABCD meet at O if AO=(2x+3)cm and DO=(5x)cm find the length of its diagonals also find the perimete
vfiekz [6]

Step-by-step explanation:

AO = DO

2x+3 = 5x

3 = 5x-2x

3 = 3x

x = 1

DO = 5(1)=5cm

AC = 2×5 = 10cm

BC =√10²-8²

= √100-64

=√36

=6 cm

therefore, the perimeter of the rectangle

= 2×(8+6) = 2(14) = 28 cm

3 0
2 years ago
A number minus 8 is at least 14
Serhud [2]

Answer:

22

Step-by-step explanation:

just add 8 to 14, then there is your number that would equal 14 if 8 was subtracted from it

6 0
3 years ago
Read 2 more answers
HELPPPPP I GVE BRAINLIEST ​
Ilya [14]

Answer:

-4 8/9

Step-by-step explanation:

-4 8/9 is your answer. I hope this helps :) If so, I'd apprciate brainliest, but no pressure.

3 0
2 years ago
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