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kakasveta [241]
3 years ago
12

Factor 4a2 - 25. Type your answer in the space provided. Type your answer in the space provided. Do not type spaces in your answ

er. Use only lowercase letters and include all necessary parentheses, variables and operation signs. For example, if the answer is (x +1)(x+2), type (x+1)(x+2).
Mathematics
1 answer:
Dvinal [7]3 years ago
8 0

Answer: The answer to this question is (2a-5)(2a+5)

Step-by-step explanation:

  • Because first,  you have to write the quadratic equation 4a^2-25 in exponential form

  •  Then, you calculate the product by multiplying the terms with equal exponents by multiplying their bases

      (2a)^2-5^2

  •     And then last but not least, using a^2-b^2=(a-b)(a+b), factor the expression

    (2a-5)(2a+5) and then there's your answer and your explanation!!!!!

         

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See attached photo, please help asap, it is due in 30 minutes !!!
oksian1 [2.3K]

Answer:

Answer is 3.398

Step-by-step explanation:

Solve by putting into calculator.

4 0
3 years ago
What must be added to 1,316 to make 5​
Ratling [72]

Answer:

-1311

Step-by-step explanation:

1316 + x = 5

Subtract 1316 from both sides:

1316 - 1316 + x = 5 - 1316

On the left side they cancel out and we are left with:

x = 5 - 1316

Which simplifies to:

x = -1311

7 0
3 years ago
A botanist collected one leaf at random from each of 10 randomly selected mature maple trees of the same species. The mean and t
Zarrin [17]

Answer:

One sample t-test for population mean would be the most appropriate method.

Step-by-step explanation:

Following is the data which botanist collected and can use:

  • Sample mean
  • Sample Standard Deviation
  • Sample size (Which is 10)
  • Distribution is normal

We have to find the best approach to construct the confidence interval for one-sample population mean. Two tests are used for constructing the confidence interval for one-sample population mean. These are:

  • One-sample z test for population mean
  • One-sample t test for population mean

One sample z test is used when the distribution is normal and the population standard deviation is known to us. One sample t test is used when the distribution is normal, population standard deviation is unknown and sample standard deviation is known.

Considering the data botanist collected, One-sample t test would be the most appropriate method as we have all the required data for this test. Using any other test will result in flawed intervals and hence flawed conclusions.

Therefore, One-sample t-test for population mean would be the most appropriate method.

8 0
3 years ago
Need help on number 17
Blababa [14]
64 is the right answer
5 0
3 years ago
Read 2 more answers
A number k less than 10
svlad2 [7]
Your answer would be

10 - k
5 0
4 years ago
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