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Ratling [72]
3 years ago
13

What is the factorization of the expression below?

Mathematics
2 answers:
Ksenya-84 [330]3 years ago
5 0

Answer:

Well factorizing 16x^2-49

You can use the difference of squares

Which is when theirs 2 perfect sqaures and it’s a subtraction problem.

So 16x^2 - 49

the formula is

a^2-b^2= (a+b) (a-b)

16x^2 - 7^2 = (a+b) (a-b)

SO plug it in

(4x+7) (4x-7)

Thats simplified to the max

So your answer would be (c)

sesenic [268]3 years ago
4 0

16x² - 49

= (4x)² - 7²

Identity =》 a² - b² = (a + b) (a - b)

(4x)² - 7²

= (4x + 7) (4x - 7) [3rd option]

_______

Hope it helps ⚜

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Jordan spent 22% of his time doing math homework. If hw spent 11 minutes on his math homework. How many minutes did he spend on
devlian [24]

Answer:

The total minutes he spend on his homework are 50 minutes.

Step-by-step explanation:

<em>It is given that Jordan spent 22% of his time for homework on maths.</em>

<em>It is also given that he spent 11 minutes of time on maths homework.</em>

The above two statements are equal.

Let the total time for homework be "x".

Thus, the equation can be written as,

(\frac{22}{100})(x) = 11

x = (\frac{100}{22})(11) = 50 minutes

Thus the total minutes he spend on his homework are 50 minutes.

3 0
3 years ago
PLEASSE HELP ME WITH THIS
disa [49]
19,3/4 = 79/4
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90-71= 19 feet 

Let me know if you need more of an explanation, but the answer in 19 feet (option 4)


4 0
4 years ago
Which number is written in scientific notation?​
notka56 [123]

Answer:

the correct answer is 3.

Step-by-step explanation:

5 0
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When 4/5 is written as a decimal, how many digits are in the smallest sequence of repeating digits?
zubka84 [21]
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