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TiliK225 [7]
2 years ago
8

Plz help with this asap

Mathematics
2 answers:
Fed [463]2 years ago
6 0

Answer:

14/16 and 7/8

Step-by-step explanation:

28/32 both divided by 2 is 14/16 and 14/16 both divided by 2 is 7/8 which is the furthest it can be simplified to.

Goryan [66]2 years ago
5 0

Answer:

A, B and D

Step-by-step explanation:

7 goes in to 28 and 12 goes in to 32

14 goes into 28 and 16 gies i to 32

7 goes into 28 and 8 goes into 32

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Find the z score that cuts-off the largest 9% under the standard normal curve. a) -1.34 b) 1.34 c) 0.536 d) 1.28
topjm [15]

Answer:

b) 1.34

Step-by-step explanation:

The z score is used to determine the number of standard deviations by which the raw score is above or below the mean. If the z score is positive then the z score is above the mean while for a negative z score implies that it is below the mean. The z score is given by:

z=\frac{x-\mu}{\sigma}

For the largest 9%, the score is 100% - 9% = 91% = 0.91

From the normal distribution table, the z score that corresponds to 0.91 is 1.34

4 0
3 years ago
What is 2 times 2? It would be really helpful.
AfilCa [17]

Answer:

2*2=4

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
I need help asap plz!!!​
svet-max [94.6K]

Answer:

AC ≈ 10.3

Step-by-step explanation:

Using the tangent ratio in the right triangle

tan48° = \frac{opposite}{adjacent} = \frac{AC}{AB} = \frac{AC}{9.3} ( multiply both sides by 9.3 )

9.3 × tan48° = AC , then

AC ≈ 10.3 ( to 3 sf )

5 0
3 years ago
can someone explain to me how to do this?
vladimir2022 [97]

Answer:

10 feet per second most prob

Step-by-step explanation:

4 0
3 years ago
The probability that Ariana is on time for a given class is 69 percent. If there are 39 classes during the semester, what is the
salantis [7]

Answer:

The best estimate of the number of times out of 39 that Ariana is on time to class is 27.

Step-by-step explanation:

For each class, there are only two possible outcomes. Either Ariana is on time, or she is not. The probability of Ariana being on time for a class is independent of other classes. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

Probability of exactly x sucesses on n repeated trials, with p probability.

The expected value of the binomial distribution is:

E(X) = np

The probability that Ariana is on time for a given class is 69 percent.

This means that p = 0.69

If there are 39 classes during the semester, what is the best estimate of the number of times out of 39 that Ariana is on time to class

This is E(X) when n = 39. So

E(X) = np = 39*0.69 = 26.91

Rounding

The best estimate of the number of times out of 39 that Ariana is on time to class is 27.

8 0
3 years ago
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