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nordsb [41]
4 years ago
9

Georgia has 9 meters of ribbon and wants to make 80 spirit ribbons that are each 12 cm long. Does she have enough ribbon?

Mathematics
2 answers:
avanturin [10]4 years ago
6 0
Yes, she has more than enough ribbon
r-ruslan [8.4K]4 years ago
5 0
No, she will be 60cm short
there are 100cm in a meter
she will have 900cm of ribbon but making 80 ribbons of 12cm would require 960cm
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The data set of the diameters of the metal cylinders manufactured an automatic machine has sample size of n=29, mean of x= 49.98
Lena [83]

Answer:

we say for  μ = 50.00 mm we be 95% confident that machine calibrated properly with ( 49.926757  ,  50.033243 )

Step-by-step explanation:

Given data

n=29

mean of x = 49.98 mm

S = 0.14 mm

μ = 50.00 mm

Cl = 95%

to find out

Can we be 95% confident that machine calibrated properly

solution

we know from t table

t at 95% and n -1 = 29-1 = 28 is  2.048

so now

Now for  95% CI for mean is

(x - 2.048 × S/√n  ,  x + 2.048 × S/√n )

(49.98 - 2.048 × 0.14/√29  ,  49.98 + 2.048 × 0.14/√29 )

( 49.926757  ,  50.033243 )

hence we say for  μ = 50.00 mm we be 95% confident that machine calibrated properly with ( 49.926757  ,  50.033243 )

8 0
3 years ago
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Tamiku [17]

Answer:

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What is a solid figure with two congruent parallel polygonal bases?
nika2105 [10]

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Mario buys 2 pounds of hamburger and 1 pound of sausage. Sausage costs 10 cents more per pound than hamburger. If the total cost
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3 years ago
What is equivalent to 7-2(x+2)<-4-3(1-x)
Alex_Xolod [135]

after solving 7-2(x+2) we get x>2

Step-by-step explanation:

We need to find the value of x in:

7-2(x+2)

Solving:

7-2(x+2)

So, after solving 7-2(x+2) we get x>2

Keywords: Solving the expression

Learn more about Solving the expression at:

  • brainly.com/question/9390381
  • brainly.com/question/5723059
  • brainly.com/question/6075514

#learnwithBrainly

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