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kherson [118]
3 years ago
14

Help please...........-

Mathematics
2 answers:
vovangra [49]3 years ago
8 0

Answer:c

Step-by-step explanation:

c

denis23 [38]3 years ago
5 0

Answer:

e

Step-by-step explanation:

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What is the next term in the number pattern? 21, 31, 36, 46, 51, … Enter your answer in the box.
Leni [432]

Answer:

61

Step-by-step explanation:

first it goes up by 10 then 5 now 10

7 0
3 years ago
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How many x-intercepts does this function have? The two next to the 5 is for squaring. r(x)=(x−5)2−1
Mamont248 [21]

Answer:

The Answer is 1 X-intercept, it intercepts at (24,0)

Step-by-step explanation:

6 0
3 years ago
Merta reports that 74% of its trains are on time. A check of 60 randomly selected trains shows that 38 of them arrived on time.
kenny6666 [7]

Answer:

No, the on-time rate of 74% is not correct.

Solution:

As per the question:

Sample size, n = 60

The proportion of the population, P' = 74% = 0.74

q' = 1 - 0.74 = 0.26

We need to find the probability that out of 60 trains, 38 or lesser trains arrive on time.

Now,

The proportion of the given sample, p = \frac{38}{60} = 0.634

Therefore, the probability is given by:

P(p\leq 0.634) = [\frac{p - P'}{\sqrt{\frac{P'q'}{n}}}]\leq [\frac{0.634 - 0.74}{\sqrt{\frac{0.74\times 0.26}{60}}}]

P(p\leq 0.634) = P[z\leq -1.87188]

P(p\leq 0.634) = P[z\leq -1.87] = 0.0298

Therefore, Probability of the 38 or lesser trains out of 60 trains to be on time is 0.0298 or 2.98 %

Thus the on-time rate of 74% is incorrect.

6 0
3 years ago
Could you help me with this question
mariarad [96]

Answer:

180 degree angles.

Step-by-step explanation:

180 degree angles are straight lines.

3 0
3 years ago
Solve for the solution: (x-4)^2-4=0
kondor19780726 [428]

Step-by-step Explanation:

x=6,x=2

5 0
2 years ago
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