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myrzilka [38]
3 years ago
6

Can someone hep with this question please it seems like i can't get the answer correctly.ty!!

Mathematics
1 answer:
Mashcka [7]3 years ago
4 0

Answer:

your answer will be 5

Step-by-step explanation:

hope it helps have a nice day/night ^_^

bye

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9multiply root 3 by 3 root 5 ​
ludmilkaskok [199]

Answer:

\frac{9 \sqrt{3} }{3 \sqrt{5} }  \\  =  \frac{3 \sqrt{3} }{ \sqrt{5} }

Hope it helps!

7 0
3 years ago
The company Drug Test Success provides a "1-Panel-THC" test for marihuana usage. Among 300 tested subjects, results from 27 subj
Sindrei [870]

Answer:

There is evidence for the claim that less than 10% of the test results are wrong

Step-by-step explanation:

Given that the company Drug Test Success provides a "1-Panel-THC" test for marihuana usage.

Among 300 tested subjects, results from 27 subjects were wrong (either a false positive or a false negative.)

Sample proportion = \frac{27}{300} \\=0.09

H0: p = 0.10

Ha: p <0.10

(left tailed test)

p difference = 0.09-0.10 = -0.01

Std error = \sqrt{0.1*0.9/300} \\=0.005196

z statistic = -1.9245

p value = 0.027

Since p <0.05 we reject H0

There is evidence for the claim that less than 10% of the test results are wrong

6 0
3 years ago
9. A store is offering a 20% discount on all sales over $50. If you purchase a shirt and a pair of jeans for $62.50, what
Serga [27]

Answer:

B. 12.50.

Step-by-step explanation:

62.50 x .20 = 12.5

Hope this helps and good luck.

3 0
3 years ago
Read 2 more answers
12 points!! Help please
Ket [755]

Answer:

It would be B. Mr. Connor would drive 207 miles altogether on Monday and Tuesday! :)

Step-by-step explanation:

Add 129 + 78 = ???

6 0
3 years ago
Read 2 more answers
How to solve for z 6-1/2z=2/3
sergey [27]
6 - 1/2z = 2/3
Steps
First, subtract 6 from both sides
6 - 1/2z - 6 = 2/3 - 6
Then, simplify
-1/2z = -16/3
Then, multiply both sides by -2
(-1/2z) (-2) = (-16/3) (-2)
Then, simplify
z = 32/3
3 0
3 years ago
Read 2 more answers
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