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3 years ago

Plzzzzz help me guys

Mathematics

1 answer:

Studentka2010 [4]3 years ago

4 0

Answer:

DONT SEE WHAT IS WRITTTEEENNN!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Step-by-step explanation:

BRO DONT REORTME PLZ

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All of the equations to –32 = k + –19

soldi70 [24.7K]

Answer:

$k = - 13$

Step-by-step explanation:

$- 32 = k - 19 \\ -32 + 19 = k \\ - 13 = k$

8 0

2 years ago

If 588 digits were used to number the pages of a book, how many pages are in this book?

andre [41]

Answer:

294 pages are in this book

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

If the class contains 11 boys and 14 girls, what is the probability of calling on a girl?

Ronch [10]

Answer: P (girl) = 14 / 25

Concept:

Here, we need to know the idea of probability.

Probability is a measure of the likelihood of an event to occur.

If you are still confused, please refer to the attachment below for a graphical explanation.

Solve:

Number of boys = 11

Number of girls = 14

Total number of people = 11 + 14 = 25

P (girl) = Favorable / Total (refer to the attachment)

P (girl) = 14 / 25

Hope this helps!! :)

Please let me know if you have any questions

8 0

3 years ago

A football team loses 4 yards on one play and 7 yards on another play. Write a sum of negative integers to represent this situat

Shtirlitz [24]

Answer:

-11 yards

Step-by-step explanation:

the first loss is represented by -4 and the second loss is represented by -7.

The sum of negative numbers will be:

(-4) + (-7) = -11

3 0

3 years ago

When commercial aircraft are inspected, wing cracks are reported as nonexistent, detectable, or critical. The history of a parti

Kamila [148]

Answer:

0.226

Step-by-step explanation:

Given that:

No wing crack (x) = 70%

Detectable wing crack (y) = 25%

Critical wing crack (z) = 5%

Number of samples (n) = 5

Probability that atleast a plane has critical crack:

1 - p(no critical crack)

Using the multinomial distribution calculator :

P(5,0,0) + p(4,1,0) + p(3,2, 0) + p(2,3,0) + p(1,4,0) + p(0,5,0)

From the calculator :

P(5,0,0) + p(4,1,0) + p(3,2, 0) + p(2,3,0) + p(1,4,0) + p(0,5,0) = 0.7741

1 - 0.7741 = 0.2259

= 0.226

7 0

3 years ago