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Setler79 [48]
2 years ago
5

Use the drop-down menus to identify the career that matches each description.

Mathematics
1 answer:
jolli1 [7]2 years ago
7 0

Answer:

D, B, C, and B

Step-by-step explanation:

I just did it

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Con un diámetro de 4x y un ares de 28.26cm cual es el valor de X
ASHA 777 [7]

Answer:

2826/25

Step-by-step explanation:

28.26×4=========2826/25

5 0
2 years ago
A dairy scientist is testing a new feed additive. She chooses 13 cows at random from a large population of cows. She randomly as
mina [271]

Answer:

Step-by-step explanation:

Given that a dairy scientist is testing a new feed additive. She chooses 13 cows at random from a large population of cows. She randomly assigns nold = 8 to get the old diet, and nnew = 5 to get the new diet including the additive.

From the data given we get the following

           N       Mean      StDev     SE Mean

Sample   1    8           43       5.1824 1.832

Sample   2   5           73     21.0832 9.429

df = 11

Std dev for difference = 13.3689

a) Yes the two are independent.  The two sets of cows randomly chosen are definitely independent. Paired means equal number should be there and homogeneous conditions should be maintained.

b) Enclosed

c) Comparison of two means is the test recommended here.  Because independent samples are used.\

d) Test statistic= -3.1233

(because of unequal variances we use that method)

95% confidence interval =  ( -56.6676 , -3.3324 )

p value <0.05 our alpha

So reject null hypothesis.

The two means are statistically significantly different.

3 0
3 years ago
46 Two light houses ash their lights every 30 seconds and 40 seconds respectively. Given that they last ashed together at 10:40
IRISSAK [1]
30,60,90,120
40,80,120

they will both " ash " in 120 seconds (thats 2 minutes)...so they will both ash at 
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8 0
3 years ago
Solve this rational equation 5/z + 1/5 = 7/z
Murrr4er [49]

Answer:

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3 0
3 years ago
Read 2 more answers
Help with this
IRINA_888 [86]
X= 49 because the square root of 49 IS 7. :D 
Good luck! :) 
7 0
3 years ago
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