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zvonat [6]
3 years ago
10

Select the number line that represents the solution of the inequality7- x 24.​

Mathematics
1 answer:
Elodia [21]3 years ago
4 0

Answer:

The correct answer is A.

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Perform the indicated operation.<br>1/5+3/5​
Vesnalui [34]

Answer:

because we have the same denominator, it will be 4/5

Step-by-step explanation:

6 0
4 years ago
Read 2 more answers
What does 12 T = in lb?
Papessa [141]
There are 2000 pounds in 1 ton

So, to to get how many pounds are in 12 tons, multiply 12 by 2000

12 x 2000 = 24,000

24,000 lbs
6 0
3 years ago
14. In a month-long randomized comparative experiment, participants were
kobusy [5.1K]

Answer: A

Step-by-step explanation:

Confidence interval for the difference in the two proportions is written as

Difference in sample proportions ± margin of error

Sample proportion, p = x/n

Where x = number of success

n = number of samples

For the first treatment,

x = 35

n1 = 50

p1 = 35/50 = 0.7

For the second treatment,

x = 16

n2 = 40

p2 = 16/40 = 0.4

Margin of error = z√[p1(1 - p1)/n1 + p2(1 - p2)/n2]

To determine the z score, we subtract the confidence level from 100% to get α

α = 1 - 0.99 = 0.01

α/2 = 0.01/2 = 0.005

This is the area in each tail. Since we want the area in the middle, it becomes

1 - 0.005 = 0.995

The z score corresponding to the area on the z table is 2.576. Thus, the z score for 99% confidence level is 2.576

Margin of error = 2.576 × √[0.7(1 - 0.7)/50 + 0.4(1 - 0.4)/40]

= 2.576 × 0.10099504938

= 0.26

Confidence interval = 0.7 - 0.4 ± 0.26

= 0.3 ± 0.26

Option A is correct

4 0
4 years ago
A 5-pound bag of apples costs $3.50. Use this rate to complete the table to identify equivalent ratios, then answer the question
dybincka [34]
Apples cost $0.70 per pound. 
5 0
4 years ago
Answer will get brainliest
Artemon [7]

1. outcome

2. probability

3. equally likely

4. likely

5. certain

6. unlikely

7. impossible

Hope this helps! If you have any more questions or need further clarification then please comment down below or message me! Good luck!

3 0
3 years ago
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