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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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3 0
3 years ago
Using the Laws of exponents, simplify the following problem.
den301095 [7]
\frac{4 {}^{4} }{ {4}^{ - 8} ({4}^{ - 14}) } = \frac{4 {}^{4} }{ {4}^{ - 22 } }

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7 0
3 years ago
how many minutes is it before 12 noon if 20 minutes ago it was three times as many minutes after 9 am
Hunter-Best [27]
First, change everything into minutes.
12 noon is 12 by 60 which = 720 minutes.
9am is 9 by 12 which = 540 minutes.
X is now your number of minutes before noon.So noon - x is the next step:
720 - x
20 minutes ago it was 720 - x - 20
720 - x - 20= 540 + 3x (3x because you're looking for 3 times as many minutes)
720 - 20 - 540=4x (you combine all the like numbers and variables) 
160 = 4x
160/4= x
40 = x
Your answer is 40 minutes
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7 0
3 years ago
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lina2011 [118]
The distribution is symmetric, I had the same exercise!!
8 0
3 years ago
A rope of length 2/5 m is cut into 4 equal cords. What is the length of each cord?
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Every piece of cord is 1/10 of a meter long
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3 years ago
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