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Ipatiy [6.2K]
2 years ago
9

Factor completely x2 − 36. (x 6)(x − 6) (x 6)(x 6) (x − 6)(x − 6) Prime.

Mathematics
1 answer:
NikAS [45]2 years ago
5 0

Thus reduced form of the given expression, using identity a^{2} -b^{2} = (a+b) (a-b) is (x+6) (x-6).

Given expression is

x^{2} -36

x^{2} -6^2

<h3>What is a reduced form of the expression a^{2} -b^{2} ?</h3>

it is (a+b) (a-b)

In the same way, we can reduce x^{2} -6^2 .

x^{2} -36 = (x+6) (x-6)

Thus reduced form of the given expression is

(x+6) (x-6)

To get more about factors refer to:

brainly.com/question/25829061

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-5x+35=40<br><br>what are the steps?​
Svetlanka [38]

Answer:

Step-by-step explanation:

-5x + 35 = 40

Subract 35 from both sides -5x + 35 - 35 = 40 - 35  = (-5x = 5)

Divide -5 from both sides -5x / -5 = 5 / -5 =

x = -1

7 0
3 years ago
Read 2 more answers
The speed of the current in a river is 6 mph. A ferry operator who works that part of the river is looking to
Morgarella [4.7K]

Answer:

  • 9 mph

Step-by-step explanation:

Let he speed of the boat on the lake is x.

<u>Considering the speed of the current it will take him:</u>

  • 22.5/(x + 6) + 22.5/(x - 6) = 9
  • 2.5 / (x  + 6) + 2.5 / (x - 6) = 1
  • 2.5(x - 6 + x + 6) = (x + 6)(x - 6)
  • 2.5*2x = x² - 36
  • x² - 5x - 36 = 0
  • x = (5 ± √(5² + 4*36))/2 = (5 ± 13) / 2
  • x = (5 + 13)/2 = 9 mph (negative root is discarded as the speed should be positive)
7 0
2 years ago
X = 16 - 4y<br> 3x + 4y =8 <br> substitution method
8_murik_8 [283]

Answer:

i think x = -4, y = 5

Step-by-step explanation:

x = 16 - 4y

3x + 4y = 8

3(16 - 4y)+4y = 8

48-12y+4y = 8

48-8y = 8

48-8 = 8y

40 = 8y

5 = y

so

x = 16 - 4y

x = 16 - 4(5)

x = 16 - 20

x = -4

5 0
3 years ago
Use compatible numbers to solve the problem 488 ÷ 62.A. 450 ÷ 50 = 9B. 434 ÷ 62 = 7C. 490 ÷ 70 = 7D. 480 ÷ 60 = 8
ipn [44]

Option D is correct. The required compatible number is 480 ÷ 60 = 8

Compatible numbers are numbers that have a close approximate to a given value

Given the expression  488 ÷ 62

The compatible number for 488 is 480

The compatible number for 62 is 60

Using these compatible numbers to solve the expression will give:

488 ÷ 62

= 480 ÷ 60

= 480/60

= 48/6

= 8

Hence the correct option will be 480 ÷ 60 = 8

Learn more here: brainly.com/question/22595072

8 0
3 years ago
(4 + 3) with an exponent of 2 + 5<br><br> ! Read carefully !
Oxana [17]
The answer is (14) just add them all up
4 0
3 years ago
Read 2 more answers
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