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ElenaW [278]
2 years ago
13

Question 1: Imagine that we are measuring rain fall with a rain gauge. It is raining

Mathematics
1 answer:
sdas [7]2 years ago
7 0

Answer:

13.5 inches

Step-by-step explanation:

after 5 hours = 6 inches

11 - 5 = 6 hours to go

1.25 x 6 = 7.5 inches

7.5 + 6 = 13.5 inches

You might be interested in
2 square5 + 5 square5
lora16 [44]

Answer:

=2^5+5^5

=32+3125

=3157

3 0
3 years ago
A random sample of n people selected from a large population will be asked whether they have read a novel in the past year. Let
kozerog [31]

Answer:

b. A binomial variable with 25 independent trials

Step-by-step explanation:

The conducted experiment is binomial experiment because outcome can be divided into success or failure. The success would be the people who read novel in the past year and also responses are independent of each other. We have to find the number of trials n in the given problem.

we are given that variance of R=6 and p=probability of success=0.4.

We know that variance of binomial distribution is

Variance=npq

where q=1-p=1-0.4=0.6.

By putting the values in variance formula, we can get the value of n.

6=n*0.4*0.6

6=0.24*n

n=6/0.24

n=25

Hence, random variable R is a binomial variable with 25 independent trials.

4 0
3 years ago
LUAHLILULL-----
Ann [662]

x+y=19 and 6.5x+3y=74.5 can be used to determine the number of gifts wrapped and number of giftbags prepared where x represents the wrapped gifts and y represents giftbags.

Step-by-step explanation:

Let,

x be the gift wrapped with wrapping paper.

y be the gifts in gift bag.

Time for wrapping one gift = 6.5 minutes

Time for doing 1 gift bag = 3 minutes

Total gifts = 19

Total time = 74.5 minutes

According to given statement;

x+y=19

6.5x+3y=74.5

x+y=19 and 6.5x+3y=74.5 can be used to determine the number of gifts wrapped and number of giftbags prepared where x represents the wrapped gifts and y represents giftbags.

Keywords: linear equation, addition

Learn more about linear equations at:

  • brainly.com/question/788903
  • brainly.com/question/774670

#LearnwithBrainly

3 0
3 years ago
Please someone tell me the awnser
uranmaximum [27]
If you divide 128 cookies by 8 trays, you'll get 16.
Therefore, theres 16 cookies baked in each 8 trays.
4 0
3 years ago
Read 2 more answers
Can someone help I’m not supposed to have school today but I’m stuck
gregori [183]
What are directions?
7 0
3 years ago
Read 2 more answers
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