Tìm n: 133^5 + 110^5 + 84^5 + 27^5 = n^5
1 answer:
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1. Using the exponent rule (a^b)·(a^c) = a^(b+c) ...
Simplify. Write in Scientific Notation
2. You know that 256 = 2.56·100 = 2.56·10². After that, we use the same rule for exponents as above.
3. The distributive property is useful for this.
(3x – 1)(5x + 4) = (3x)(5x + 4) – 1(5x + 4)
... = 15x² +12x – 5x –4
... = 15x² +7x -4
4. Look for factors of 8·(-3) = -24 that add to give 2, the x-coefficient.
-24 = -1×24 = -2×12 = -3×8 = -4×6
The last pair of factors adds to give 2. Now we can write
... (8x -4)(8x +6)/8 . . . . . where each of the instances of 8 is an instance of the coefficient of x² in the original expression. Factoring 4 from the first factor and 2 from the second factor gives
... (2x -1)(4x +3) . . . . . the factorization you require
First, let's divide the figure in two parts, called "A" and "B (View the figure attached):
a: The paralelogram
b: The rectangle
To find the area of the parallelogram, we must apply the following formula:
A=bxh
b: is the base of the parallelogram.
h: the height of the parallogram.
We can know the length of the base and the heigh by the figure shown in the problem:
b=4
h=3
Then, we have:
A(a)=bxh
A(a)=4x3
A(a)=12
Now, we must proceed to find the area of the rectangle, by using the formula:
A(b)=bxh
b=9 (the base of the rectangle)
h=3 (the height of the rectangle)
A(b)=9x3
A(b)=27
Then, the area of the figure is:
At=A(a)+A(b)
At=12+27
At=39
a: The paralelogram
b: The rectangle
To find the area of the parallelogram, we must apply the following formula:
A=bxh
b: is the base of the parallelogram.
h: the height of the parallogram.
We can know the length of the base and the heigh by the figure shown in the problem:
b=4
h=3
Then, we have:
A(a)=bxh
A(a)=4x3
A(a)=12
Now, we must proceed to find the area of the rectangle, by using the formula:
A(b)=bxh
b=9 (the base of the rectangle)
h=3 (the height of the rectangle)
A(b)=9x3
A(b)=27
Then, the area of the figure is:
At=A(a)+A(b)
At=12+27
At=39