3 years ago

Sally spent half of her allowance going to the movies. She washed the family

Mathematics

1 answer:

Elan Coil [88]3 years ago

4 0

does it give the answer choice or is it a blank space?

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A 90% confidence interval for the mean percentage of airline reservations being canceled on the day of the flight is (1.1%, 3.4%

Anton [14]

The point estimate would be 2.25%.

Confidence intervals are centered around a point estimate; that is, the point estimate is in the very middle of the confidence interval. We can find the point estimate by averaging both ends of the confidence interval together:

(1.1+3.4)/2 = 2.25.

6 0

4 years ago

Solve x4 − 8x2 + 16 = 0

Leona [35]

Answer:

x=−2

Step-by-step explanation:

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3 years ago

What is 1(y), when y=-7/12?

Salsk061 [2.6K]

Answer: -7/12

Step-by-step explanation: an number multiplied by 1 is itself

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3 years ago

Determine the length of AC. 32 units 35.2 units 38.5 units 10.3 units

Alex73 [517]

Answer:

38.5

Step-by-step explanation:

b^2= 29^2+20^2-2×20×29× Cos 102

b^2=841+400-1160 (-0.2079)

=1241- 241.164

b^2=1482.164

b= square root of 1482.164

AC = 38.5

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3 years ago

Evaluate the permutation P(36,19)=____

kondaur [170]

Easy

nPr= $\frac{n!}{(n-r)!}$
here
36P19= $\frac{36!}{(36-19)!}=$
$\frac{36!}{(17)!}=$
$\frac{36*35*34*33*32*31*30*29*28*27*26*25*24*23*22*21*20*19*18}{1}=$
1045843337171591729971200000

6 0

4 years ago