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kogti [31]
3 years ago
11

Expand $\left(x^2 \frac{1}{x}\right)^3$. (Write the terms with higher degree first, so for example an $x^2$ term would come befo

re $x$ or $\frac{1}{x}$.)
Mathematics
1 answer:
Ilya [14]3 years ago
4 0

Answer:

x^6+3x^3+3+\dfrac{1}{x^3}

Step-by-step explanation:

We can use the pascal triangle to find the coefficients of the expasion of the cube. It holds that

(x^2 + \dfrac{1}{x})^3=(x^2)^3+3(x^2)^2\dfrac{1}{x}+3x^2(\dfrac{1}{x})^2+(\dfrac{1}{x})^3\\\\=x^6+3x^4\dfrac{1}{x}+3x^2\dfrac{1}{x^2}+\dfrac{1}{x^3}\\\\=x^6+3x^3+3+\dfrac{1}{x^3}

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Triangle TRI has a base of m centimeters and a height of n centimeters. Rectangle RECT has a length of n centimeters and a width
miskamm [114]

Answer:

Area of a triangle = \frac{1}{2} area of rectangle

Step-by-step explanation:

Given:

Height of triangle = n cm,  Base of triangle = m

Length of rectangle = n cm, Width of rectangle = m cm

Area of ΔTRI = \frac{1}{2}  base × height

                     =  \frac{1}{2}  ( m ) × (n)   ⇒ \frac{1}{2} mn

Area of Rectangle RECT =  Length × Width

                                          = m × n ⇒  = mn

Comparing Area of triangle and rectangle.

\frac{1}{2} mn =  mn

We can conclude that area of triangle is half of the area of rectangle.

7 0
2 years ago
Is 10/2 a integer ,natural number,rational number,irrational number or a whole number
prohojiy [21]
It is an rational number. A rational number is a number that can be written as a ratio or fraction.
7 0
3 years ago
Read 2 more answers
2p=kx-t how do you solve for x
sergiy2304 [10]
Isolate x on one side of the equation. divide by k.
2p over k =x-t
add t
(2p/k)+t = x.
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8 0
3 years ago
Illustrative Example 1:
dlinn [17]

Given:

The data set is:

87, 84, 85, 85, 86, 90, 79, 82, 78, 76

To find:

The mode of the given data set.

Solution:

We have,

87, 84, 85, 85, 86, 90, 79, 82, 78, 76

Arrange the data values in the ascending order.

76, 78, 79, 82, 84, 85, 85, 86, 87, 90

We know that the mode of date set is the most frequency value of the data set.

From the above data set it is clear that the number 85 has the highest frequency 2.

Therefore, the mode of the data set is 85.

6 0
2 years ago
Two parallel lines are crossed by a transversal . What is the value of k?
bulgar [2K]

Answer:

The value of is equal to k=60\°

Step-by-step explanation:

we know that

(2k+11)\°=131\° -----> by alternate exterior angles

solve for k

2k=131\°-11\°

k=120\°/2=60\°

7 0
2 years ago
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