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kolezko [41]
3 years ago
10

Which expression is equivalent to (x Superscript 27 Baseline y) Superscript one-third?

Mathematics
2 answers:
Kay [80]3 years ago
6 0

Answer:

um i cannot understand that ok ?

Step-by-step explanation:

sdas [7]3 years ago
6 0

Answer:

Answer is D

Step-by-step explanation:

On Edge 2020

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Production engineers at a company believe that a modified layout on its assembly lines might increase average worker productivit
marshall27 [118]

Answer:

Let x = number of units produced per hour before the line was modified , y = number of units produced per hour after the line was modified.

The null and alternative hypotheses are :

H0: μbefore = μafter

H1: μbefore ≠ μafter

​Step 1: . Calculate the difference (D = y − x) between the two observations on each pair.

See attachment for (D=y-x)

step 2: Calculate ∑D and ∑D2

From table we get ∑D = -10 & ∑D2 = 72

Step 3: Put all the value in test statistic "t"

t = D/√nD^2-D^2/n - 1

t =-10/√6.72-(-10)^2/6-1

t= -10√66.4

= -10/8.1486

= -1.227

Step 4: Compare tcal and ttab

At α = 0.05

t0.05 for 5 d.f. = 3.1634 (two tail test)

Hence | tcal | < t0.05

So, we accept the hypothesis.

So we conclude that the modified (after) layout has not increased worker productivity at 5% level of significance.

7 0
3 years ago
The formula c² = a² + b² is the Pythagorean Theorem used to find the sides of a right
Soloha48 [4]

Answer: 5 cm

Step-by-step explanation:

B = \sqrt{13^{2} -12^{2} } = 5

7 0
1 year ago
Read 2 more answers
Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. Solve the inequality. E
Oksi-84 [34.3K]

Answer:

Your answer is correct

Step-by-step explanation:

Indeed subtracting 5 from both sides would be n/-3> -1

Multiplying both sides by -3 would give you n < 3 (obviously after reversing the inequality sign)

8 0
3 years ago
Read 2 more answers
. Find the probability that the coin turns up heads for the first time on the tenth, eleventh, or twelfth toss.
Degger [83]

Answer:

0.001709

Step-by-step explanation:

The probability of getting 9 tails then 1 head is:

(½)⁹ (½)¹ = (½)¹⁰

The probability of getting 10 tails then 1 head is:

(½)¹⁰ (½)¹ = (½)¹¹

The probability of getting 11 tails then 1 head is:

(½)¹¹ (½)¹ = (½)¹²

The total probability is:

(½)¹⁰ + (½)¹¹ + (½)¹²

0.001709

3 0
2 years ago
210 sheets of paper is 7cm thick. How thick of a pile would 1260 sheets make?
Mkey [24]
42 cm because if you divide 210 and 1260 it will make 6 so u just multiply it by 7 and u get 42
8 0
2 years ago
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