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Elanso [62]
3 years ago
9

Rectangular pieces of land 50m wide and 120m long partitioned to two parts along diagonal what is the length meter of the fence

covering one part of it?
Mathematics
1 answer:
nirvana33 [79]3 years ago
5 0

Answer:

a

Step-by-step explanation:

bc I just took the quiz☝

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A sample of 16 items from population 1 has a sample variance 5.8 and a sample of 21 items from population 2 has a sample varianc
Nady [450]

Answer:

Reject the null hypothesis.

Step-by-step explanation:

n1 = 16

n2 = 21

S.V1 = 5.8

S.V2 = 2.4

\alpha = 0.05

H_{0} = Population Variance 1 ≤  Population Variance 2

H_{a} = Population Variance 1 >  Population Variance 2

Test statistic value = 5.8 / 2.4 = 2.417

Degrees of freedom is n - 1

15 and 20

Critical value is F_{0.05} = 2.2

2.417 > 2.2

we reject the null hypothesis as the critical value is greater than the test statistic.

3 0
3 years ago
Use the formula for the area of a circle to find the area of the bullseye and the next ring together ?!?!?!
Anon25 [30]
I got D for the answer pi x 12mmsquare cause you're only measuring the area of the bullseye and i got 452.39
6 0
3 years ago
Read 2 more answers
Can someone please answer. There is one problem. There is a picture. Thank you!
jonny [76]
SA=4pir^2
78.54km^2=SA
78.54=4pir^2
divide both sides by 4
19.635=pir^2
aprox pi=3.14 so divide both sides by 3.14
6.25318=r^2
sqrt both sides
2.50063=r
round
radius=2.5km

this question is flawed in that it gives the wrong units

answer is the option with 2.5 in it
2nd one
5 0
3 years ago
you go to a restaurant and spent 36.43 on food. if you give the waitress an 18% tip how much money would you get the waitress bi
kenny6666 [7]

Answer:

$43.03

Step-by-step explanation:

18% of $36.43 = $6.60  (6.5574)

$6.60 + $36.43 (price of food without tip)

$6.60 + $36.43 = $43.03

7 0
3 years ago
Shantel is studying for her history test. After 20 minutes she is 1/4 of the way done. How much longer will she study?
Kipish [7]
She will study for another hour
3 0
3 years ago
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