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jarptica [38.1K]
3 years ago
14

HELP PLS

Mathematics
1 answer:
katrin [286]3 years ago
7 0

Answer:

The answer is

-7A

-2A^2

-4A

-4A^5

I ALSO NEED IT FOR THE VALUE OF C

ANSWER IS.

3

2

-1

2

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Pls answer this I need help on it
zloy xaker [14]
Can you type it out i can’t see the question
4 0
3 years ago
Public health officials believe that 90% of children have been vaccinated against measles. A random survey of medical records at
Vikentia [17]

Answer:

The answer to the question is;

Yes, it is very significant as the number of of observed vaccinated children is below the number of actually vaccinated children by 78.

Step-by-step explanation:

The result of the survey of more than 13,000 children indicate that only 89.4 % had actually been and the P-value indicate that the chance of having a sample proportion of 89.4 %  vaccinated is 1.1 %.

P is low at 0.011 for which however the proportion of those vaccinated is between 0.889 and 0.899 using a 95% confidence interval, whereby the decrease from 90 % believed to 89.9 % is small, albeit it depends on the size of the population.

At 89.4 %, in a sample of 13,000, the number of children expected to have been vaccinated but were missed is equal to 90 - 89.4 = 0.6 % = 0.006

Therefore the children missed = 78 children which is significant.

5 0
4 years ago
HELP ME NEED TO SUBMIT IN 6 MINUTES<br> WILL MARK BRAINLIEST FOR CORRECT ANSWER
agasfer [191]

Answer:c

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Kylie went into a grocery store and bought 3 apples and 4 bananas, costing a total of $6.50. Lily went into the same grocery sto
Katyanochek1 [597]

The system of equations that could be used to determine the price of each apple and the price of each banana is:

3x + 4y = 6.50

10x + 5y = 17.50

Where x is the price of each apple and y is the price of each banana

Step-by-step explanation:

The given is:

  • Kylie went into a grocery store and bought 3 apples and 4 bananas, costing a total of $6.50
  • Lily went into the same grocery store and bought 10 apples and 5 bananas, costing a total of $17.50

We need to write a system of equations that could be used to determine the price of each apple and the price of each banana

Assume that x represents the price per apple, and y represents the price per banana

∵ The price of each apple is $x

∵ The price of each banana is $y

∵ Kylie bought 3 apples and 4 bananas for a total $6.50

- Multiply x by 3 and y by 4, then add the products and equate

  the sum by 6.50

∴ 3x + 4y = 6.50 ⇒ (1)

∵ Lily bought 10 apples and 5 bananas for a total $17.50

- Multiply x by 10 and y by 5, then add the products and equate

  the sum by 17.50

∴ 10x + 5y = 17.50 ⇒ (2)

The system of equations that could be used to determine the price of each apple and the price of each banana is:

3x + 4y = 6.50

10x + 5y = 17.50

Where x is the price of each apple and y is the price of each banana

Learn more:

You can learn more about the system of equations in brainly.com/question/2115716

#LearnwithBrainly

3 0
4 years ago
Help ASAP pllllllllllsssssssssssssssssss
valkas [14]

Answer:

15

Step-by-step explanation:

multiply the 6 by 3 and get 18, so do the same for the top, so 5 x3 = 15

5 0
3 years ago
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