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olasank [31]
3 years ago
7

Is there more than 5 ways to slove 4x+3y=3 ?

Mathematics
2 answers:
ipn [44]3 years ago
7 0
Yes there is more than 5 ways to solve that problem
notsponge [240]3 years ago
6 0
Yes there is more than one way to solve the problem 4x+3y=3
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A large school district in southern California asked all of its eighth-graders to measure the length of their right foot at the
Ber [7]

Answer:

The probability of the sample mean foot length less than 23 cm is 0.120

Step-by-step explanation:

* Lets explain the information in the problem

- The eighth-graders asked to measure the length of their right foot at

  the beginning of the school year, as part of a science project

- The foot length is approximately Normally distributed, with a mean of

 23.4 cm

∴ μ = 23.4 cm

- The standard deviation of 1.7

∴ σ = 1.7 cm

- 25 eighth-graders from this population are randomly selected

∴ n  = 25

- To find the probability of the sample mean foot length less than 23

∴ The sample mean x = 23, find the standard deviation σx

- The rule to find σx is σx = σ/√n

∵ σ = 1.7 and n = 25

∴ σx = 1.7/√25 = 1.7/5 = 0.34

- Now lets find the z-score using the rule z-score = (x - μ)/σx

∵ x = 23 , μ = 23.4 , σx = 0.34

∴ z-score = (23 - 23.4)/0.34 = -1.17647 ≅ -1.18

- Use the table of the normal distribution to find P(x < 23)

- We will search in the raw of -1.1 and look to the column of 0.08

∴ P(X < 23) = 0.119 ≅ 0.120

* The probability of the sample mean foot length less than 23 cm is 0.120

4 0
3 years ago
Expand and simplify 3(x-2) + 2(4x-1)
Zanzabum

Answer:

11x-8

Step-by-step explanation:

3(x - 2) + 2(4x - 1) \\ multiply \: inside \: the \: bracket \\ 3x - 6 + 8x - 2 \\ 11x - 8

3 0
1 year ago
from 5 employees at a company a group of 3 employees will be chosen to work on a project. how many different groups of 3 employe
sattari [20]
The answer to the math question presented above would be 10. <span>From 5 employees at a company a group of 3 employees will be chosen to work on a project, the number of different groups of 3 employees can be chosen is 10. You can have 10 different groups of threes in 5 employees.</span>
5 0
3 years ago
.
BabaBlast [244]

Answer: 14.88 is the answer

Step-by-step explanation:

8 0
2 years ago
At the start of 2014 Mike's car was worth ?12000.The value of the car decreased by 30% every year.Work out the valure of his car
Contact [7]

Answer:

$1200

Step-by-step explanation:

12,000*(-90%)

12,000*(.1)=1200

6 0
3 years ago
Read 2 more answers
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