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tresset_1 [31]
3 years ago
13

Raul opened a savings account with $2900. Each week, d, Raul pays the dog sitter $20 from his savings account. Write a function,

f (d) , that is equal to the amount if money in the account after raul pays the dog sitter each week.
Mathematics
1 answer:
OLga [1]3 years ago
6 0

Answer:

f(d) = 2900 - 20d

Step-by-step explanation:

We start with 2,900 and each week 20 is deducted from the account.

f(d) = 2900 - 20d

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According to a survey, 29% of people carry at least 1 reusable water bottle. If 5 people are selected randomly, what is the prob
Nitella [24]

Answer:

0.4 is the probability that at least 2 out of 5 will be carrying a reusable water bottle

Step-by-step explanation:

We are given the following information:

We treat people carrying at least 1 reusable water bottle as a success.

P(people carry at least 1 reusable water bottle) = 29% = 0.29

Then the number of people follows a binomial distribution, where

P(X=x) = \binom{n}{x}.p^x.(1-p)^{n-x}

where n is the total number of observations, x is the number of success, p is the probability of success.

Now, we are given n = 5

We have to evaluate:

P(x \geq 2) =1- P(x < 2) \\=1 - \binom{5}{0}(0.29)^0(1-0.29)^5 + \binom{5}{1}(0.29)^1(1-0.29)^4\\=1- 0.1804 - 0.3684\\= 0.4512\\\approc 0.4

0.4 is the probability that at least 2 out of 5 will be carrying a reusable water bottle

6 0
3 years ago
A bee flies 45 m in 10 seconds. At this rate, how far would this bee fly in 2 minutes? (dont just answer explain please)
Rudiy27
Okay so if there are 120 seconds in 2 minutes and the bee flies 45m in 10; 10 goes into 120 12 times so just multiply 45 by 12. the answer is 540
5 0
3 years ago
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What is the solution to the equation 4x-6 = 10x-3?
solniwko [45]
The solution would be -1/2

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Hope this helps
8 0
3 years ago
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IceJOKER [234]

Answer:

0.16 P(Yellow or Brown)=0.16

Answer: 0.44

Step-by-step explanation:

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1.00 - 0.68 = 0.32

0.32 divided by 2.0 = 0.16

Total answer is 0.44

GLAD TO HELP:)

HAVE A NICE DAY!

BTW: I WAS DOING A TEST, BUT TOOK MY TIME TO HELP YOU! :)

PLEASE BRAINLEST ME!

6 0
3 years ago
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