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Feliz [49]
3 years ago
13

Can someone help me please!!

Mathematics
2 answers:
nignag [31]3 years ago
6 0

Answer:

The Answer is c.

Step-by-step explanation: I hope this helps :D

castortr0y [4]3 years ago
3 0

Answer:

trapezium that is the answet

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If 5x-3y=12 and 4x-5y=17 what is the value of y?
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8y

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To determine the organic material in a dried lake bed, the percent carbon by mass is measured at two different locations. In ord
Sedaia [141]

Answer:

F statistic = 11.3 ;

-1.02

Step-by-step explanation:

____Location1(%C) ____ Location2(%C)

1 ______ 10.40 _________ 10.10

2 _____ 10.20 _________ 10.90

3 ______10.30 _________ 10.20

4 ______10.40 _________ 10.70

5 ______10.20 _________ 10.40

F = larger sample variance / smaller sample variance

Using calculator :

Sample standard deviation (s)

s1² = 0.01

s2² = 0.113

F = s2² / s1²

F = 0.113 / 0.01

F = 11.3

Yes, the two standard deviations for the locations are significantly different at the 95% confidence level.

B.)

Tvalue

x1 = 10.3 ; x2 = 10.46

μ1 = 10.30 ; μ2 = 10.46

(10.30 - 10.46) / sqrt[(0.01/5) + (0.113/5)]

-0.16 / 0.1568438

-1.02

6 0
2 years ago
What is the gcf for 42n - 27s​
Trava [24]

Answer:

3

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5 0
3 years ago
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