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andre [41]
3 years ago
8

Suppose you want to factor the expression x2+ 2xn+n2. Given that n> 0, what are the factors? Explain.

Mathematics
2 answers:
cestrela7 [59]3 years ago
4 0

Answer:

\left(x+n\right)^2=(x+n)(x+n)

Step-by-step explanation:

\:x^2+\:2xn+n^2

\mathrm{Perfect\:Square\:Formula}:\quad \left(a+b\right)^2=a^2+2ab+b^2

\left(x+n\right)^2=(x+n)(x+n)

spin [16.1K]3 years ago
3 0

Answer:

(x + n)^2

Step-by-step explanation:

Okay! Let's get this going!

(x + n ) ^2 is correct because first we get

x^2 and n^2. Yet we need to add one more part to this to make it true which is x * n. We multiply this by two since according to the formula (a + b)^2 = a^2 + 2ab + b^2

:)

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Divide 1.75 × 10^-2 by -7.3 × 10^-8. Express your answer in scientific notation. Round the coefficient to two decimal places.​
viva [34]

Answer:

-2.4 · 10^{5}

Step-by-step explanation:

4 0
3 years ago
Write two equivalent expressions to represent the area of this rectangle.
KengaRu [80]

Answer:

The two expression to represent area  is (5 x  - 10)  sq. units   or  5( x- 2) sq. units

Step-by-step explanation:

Here, the length of the rectangle  = (x-2) units

The width of the rectangle  = 5 units

Now, AREA OF A RECTANGLE  = LENGTH x WIDTH

So, here AREA  =  5 ( x- 2)

                          =  (5 x  - 10)  sq. units  

( as by Distributive property: A (B-C) = AB - AC)

Hence, the two expression to represent area  is (5 x  - 10)  sq. units   or  5( x- 2) sq. units

6 0
3 years ago
What is length and what is width.
sukhopar [10]

Answer:

x = 14

Step-by-step explanation:

because 4×8 is 32

if x = 14

14 - 10 = 4

14 - 6 = 8

8 x 4 = 32

8 0
3 years ago
What conclusions can be drawn using the given and its diagram?
dem82 [27]

Answer:

Whichever reasoning processes and research methods were used, the final conclusion is critical, determining success or failure. If an otherwise excellent experiment is summarized by a weak conclusion, the results will not be taken seriously.

Success or failure is not a measure of whether a hypothesis is accepted or refuted, because both results still advance scientific knowledge.

Failure lies in poor experimental design, or flaws in the reasoning processes, which invalidate the results. As long as the research process is robust and well designed, then the findings are sound, and the process of drawing conclusions begins.Whichever reasoning processes and research methods were used, the final conclusion is critical, determining success or failure. If an otherwise excellent experiment is summarized by a weak conclusion, the results will not be taken seriously.

Success or failure is not a measure of whether a hypothesis is accepted or refuted, because both results still advance scientific knowledge.

Failure lies in poor experimental design, or flaws in the reasoning processes, which invalidate the results. As long as the research process is robust and well designed, then the findings are sound, and the process of drawing conclusions begins.

little info

Step-by-step explanation:

hope this help

pick me as the brainliest

8 0
3 years ago
Cards. A deck of 52 cards is shuffled and dealt. Find the probabilities of the following events: a) the tenth card is a queen; b
Veronika [31]

Answer:

  • 0.0374
  • 0.0010

Step-by-step explanation:

number of cards = 52

number of queen = 4

number of spades = 13

A) probability that the tenth card is a queen

drawn time (r) = 1

position of success(x) = 10th

p = 4/52

P( x,r,p) = x-1Cr-1*p^(r) * q^(x-r)

p(10,1,4/52) = 9C0(4/52)^1 * (48/52)^9 = 0.0374

B) probability the twentieth card is a spade

x = 20

r = 1

p = 13 / 52

P(20,1,26/52) = 19C0(26/52)^1 * (26/52)^19 = 0.0010

c)  The last five cards been spades

p(last five cards been spades )

p(48..52, 5, 13/52 ) = 47...52C4(13/52)^5 * (39/52)^48..52 - 5

 

4 0
3 years ago
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