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3 years ago

I need help

Mathematics

2 answers:

NeTakaya3 years ago

7 0

The answer is 15 because 15>11.3

Charra [1.4K]3 years ago

5 0

OK so if you have, oh I don't know, 11.3 loaves of bread, would you have more if you had 15, owed someone 14, had 4, or had 9?
The correct answer is B because it is the only one that is larger than 11.3

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In the 1970s, due to world events, there was a gasoline shortage in the United States. There were often long lines of cars wai

barxatty [35]

Answer:

Part A: The average car length is 9.1 feet to the nearest tenth foot

Part B: The line would be 9100 feet to contained 1000 cars

Step-by-step explanation:

* Lets explain how to solve the problem

# Part A:

- There were 62 cars in a line that stretched 567 feet

- The cars are lined up bumper-to-bumper

- That means there is no empty spaces between the cars

* To find the average length of the car we will divide the length of

the line by the numbers of the cars

∵ The average car length = length of the line/number of cars

∵ The length of the line is 567 feet

∵ The numbers of the cars is 62 cars

∴ The average car length = 567/62 = 9.1 feet

* The average car length is 9.1 feet to the nearest tenth foot

# Part B:

- There are 1000 cars

- We need to find the length of line which contained the cars

∵ The average car length = length of the line/number of cars

∵ The average of car length is 9.1 feet

∵ The number of the cars is 1000 cars

∴ 9.1 = length of the line/1000

- Multiply both sides by 1000

∴ The length of the line = 9.1 × 1000 = 9100 feet

∴ The line would be 9100 feet to contained 1000 cars

7 0

3 years ago

Help Please! Answer ASAP!

Lilit [14]

Answer: Its C SAS

Step-by-step explanation:i know because i dont know

4 0

3 years ago

Read 2 more answers

A professor thinks that the students in her statistics class this term are less creative than most students at this university.

choli [55]

Answer:

It is not enough evidence to reject null hypothesis. It is not enough evidence to say that mean score is not equal to 35.

Step-by-step explanation:

$\mu=35\\n=23\\\=x=33\\s=5\\\alpha=0.1$

1. Null and alternative hypothesis

$H_{0}:\mu=35\\H_{1}:\mu$

2. Significance level

$\alpha=0.1\\1-\alpha=0.99$

Freedom degrees is given by:

$v=n-1\\v=23-1=22$

For a sgnificance level of 0,01 and 22 freedom degrees, t-student distribution value is:

$t_{0.01;23}=-2. 5083$

3. Test statistic

$t=\frac{\=x-\mu}{\frac{s}{\sqrt{n} } }$

$t=\frac{33-35}{\frac{5}{\sqrt{23} } }$

$t=-1,918$

In this case, we have an one left tailed analysis, it means that null hypothesis is rejected if $t$

$-1.918>-2.5083$

Conclusion:

It is not enough evidence to reject null hypothesis. It is not enough evidence to say that mean score is not equal to 35.

3 0

3 years ago

(40x9)÷(4x8)=x solve for variable of x

nikklg [1K]

The answer is: " x = 11 ¼ " ; or write as: " x = 11.25 " .
_________________________________________________
Explanation:
_________________________________________________
(40*9) ÷ (4*8) = x ; Solve for "x" ;

(40 * 9 = 360) .

(4 * 8 = 32) .

(360) ÷ (32) = 45/4 = 11 ¼ ; or write as: 11.25 .
________________________________________________

8 0

3 years ago

Read 2 more answers

Solve for x in the equation x2 – 12х+ 36 = 90

Leviafan [203]

Answer:

Step-by-step explanation:

90-36=54

54-24=30

5 0

3 years ago