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2 years ago

9

The perimeter of a triangle is 27 centimeters. Two sides of the triangle are 7 centimeters and 13 centimeters. Find the length o

f the third side. *

1 answer:

Studentka2010 [4]2 years ago

3 0

I believe it’s the answer is 2.6

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Multiplying binomials (×+2) (×-9)

musickatia [10]

Answer:

x² -7x -18

Step-by-step explanation:

In algebra, a binomial consists solely of a sum or subtraction of two monomials.

To solve the multiplication of two binomials we have to multiply term by term and then simplify common terms.

(x + 2)(x - 9) = x(x) + x(-9) +2(x) + 2(-9) = x² -9x + 2x -18 = x² -7x - 18

7 0

3 years ago

Which expression is equivalent to 4 + 3 (5 + ×)

Deffense [45]

Step-by-step explanation:

$4 + 3(5 + x)\\4 + (3 * 5 ) + (3 * x)\\4 + 15 + 3x$

4 0

3 years ago

Read 2 more answers

24x^5-8x^4+12x^3-4x^2 / 4x^2

Margaret [11]

Answer:

The detailed process of simplification is :

Step-by-step explanation:

$\frac{24x^{5} - 8x^{4} + 12x^{3} - 4x^{2} }{4x^{2} }$

= $\frac{24x^{5} }{4x^{2} }$ - $\frac{8x^{4} }{4x^{2} }$ + $\frac{12x^{3} }{4x^{2} }$ - $\frac{4x^{2} }{4x^{2} }$ ..........................separate the terms

= 6 $x^{5-2}$ - 2 $x^{4-2}$ + 3 $x^{3-2}$ - 1 ................ subtract the power of x from denominator

= 6 $x^{3}$ - 2 $x^{2}$ + 3 $x$ -1

= 2 $x^{2}$ ( 3 $x$ -1 ) + (3 $x$ -1 )................................... Take (3 $x$ -1 ) common in (6 $x^{3}$ - 2 $x^{2}$ )

= (3 $x$ -1 ) (2 $x^{2}$ +1) .......................................Take (3 $x$ -1 ) common in whole equation

3 0

3 years ago

What is the simplified expression

Inessa [10]

Answer:

-4x-1

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Given f(2) = 12, which of the following could be an equation of the function?

Serhud [2]

The answer is B, f(x) = 4x + 4.
If you substitute 2 for x, the resulting answer will be 12, therefore it is correct.

3 0

3 years ago