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4 years ago

Whats the square root of 9n^3

Mathematics

1 answer:

zhuklara [117]4 years ago

4 0

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▹ Answer

3n√n

▹ Step-by-Step Explanation

√9n³

√3² √n² √n

3√n² √n

3n√n

Hope this helps!

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14. Solve the following equations. (a), 7x + 8 = 10 + 3x

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answer: x = 1/2

explanation

subtract 3x from both sides

4x+8=10

subtract 8 from both sides

4x=2

divide both sides by 4

x=2/4

simplify

x=1/2 OR x=.5

hope i helped!

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3 years ago

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According to the fundamental theorem of algebra, the graph of f(x) = -x^2 - 2x + 1, has one, two, or three rational roots

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This quadratic function has roots x1=-1-√2 and x2=-1+√2 and they are real not rational.

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4 years ago

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Please help meeee ………..

Len [333]

Answer:

x = 5

Step-by-step explanation:

The equality of bases property says powers of the same base will be equal if and only if the powers are equal. This property is used to solve exponential equations.

<h3>Application</h3>

$\dfrac{(2)^x}{2}=16\qquad\text{copy of the original equation}\\\\2\times\dfrac{(2)^x}{2}=2\times16\qquad\text{multiply by 2 to isolate the base}\\\\2^x=32\qquad\text{simplify}\\\\2^x=2^5\qquad\text{rewrite the constant as a power of 2}\\\\\boxed{x=5}\qquad\text{use the Equality of Bases Property}$

Additional comment

Equating the exponents is fully equivalent to taking the logarithm of both sides of the equation, to that base.

$\log_2(2^x)=\log_2(2^5)\ \Longrightarrow\ x=5$

6 0

2 years ago

×^2+4x-5/×^2+7x+1 <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B%20%7Bx%7D%5E%7B2%7D%20%2B%204x%20%2B%20-%205%20%7D%20%20%20

Serjik [45]

(4x2 – 4x – 7)(x + 3)

(4x2 – 4x – 7)(x) + (4x2 – 4x – 7)(3)

4x2(x) – 4x(x) – 7(x) + 4x2(3) – 4x(3) – 7(3)

4x3 – 4x2 – 7x + 12x2 – 12x – 21

4x3 – 4x2 + 12x2 – 7x – 12x – 21

4x3 + 8x2 – 19x – 21

6 0

3 years ago

Sanjee scored twice as many points as treen.cole scored 12 more points then sanjee.together they scored 992 points. How many poi

vladimir1956 [14]

Answer:

The score of Treen is 245 points !!

Step-by-step explanation:

Let the Scored point by Treen be x

Given :-  Sanjee scored twice as Treen

then, Sanjee Scored is 2x

Also, Cole scored 12 more than Sanjee

i.e., Score of Cole is ( x + 12 )

According to the question ::

The sum of their points is 992

i.e, x + 2x + x + 12 = 992

4x = 980

x = 245

So the points scored by Treen x = 245

<h2> Method !! </h2>

Take the unknown value which is to be found as x or any variable

Make equations as directed

Solve the equation to get the value of x !!

3 0

3 years ago