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ANTONII [103]
4 years ago
12

Which polynomial represents the area of the rectangle

Mathematics
1 answer:
Serga [27]4 years ago
6 0

Answer : The polynomial represents the area of the rectangle is, 4x² -2x - 6

Step-by-step explanation :

As we are given that:

Length of rectangle = 4x - 6

Width of rectangle = x + 1

Formula used:

Area of rectangle = Length × Width

Now putting all the given values in this formula, we get:

Area of rectangle = (4x - 6) × (x + 1)

Area of rectangle = 4x² + 4x - 6x - 6

Area of rectangle = 4x² -2x - 6

Hence, the polynomial represents the area of the rectangle is, 4x² -2x - 6

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Step-by-step explanation:

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3 years ago
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What is the positive solution to the equation 0 = –x2 + 2x + 1? Quadratic formula: x = StartFraction negative b plus or minus St
Vladimir [108]

Answer:

See attached for a "Neat" quadratic formula.

a = -1

b = 2

c = 1

x = [-2 +- sqr root( 4 -4*-1*1)] / -2

x = [-2 +- sqr root( 4 -4*-1*1)] / -2

x = [-2 +- sqr root(8)] / -2

x1 = (-2 +2.8284271247)  / -2

x1 = .8284271247 / -2

x1 = -0.41421

x2 = (-2 -2.8284271247)  / -2

x2 = ( -4.8284271247)  / -2

x2 = 2.4142135624

So the equation has the positive solution of

2.4142135624

Step-by-step explanation:

3 0
3 years ago
Cody is selling chocolate and white chocolate candy bars for a student fundraiser. 30% of the candy bars sold have been white ch
alexdok [17]

wouldn't it be 24/30%=80 candy bars? thats my answer.

6 0
3 years ago
What is the degree of 7x^6 ?
goldenfox [79]
Example -

4x2<span> + 6x + 5</span>

This polynomial has three terms. The first one is 4x2, the second is 6x, and the third is 5

The exponent of the first term is 2

The exponent of the second term is 1 because 6x = 6x1

The exponent of the third term is 0 because 5 = 5x0

What? 5x0<span> = 5?</span>

Well, anything with an exponent of 0 is always equal to 1

So, 5x0<span> = 5 × x</span>0<span> = 5 × 1 = 5</span>

Since the highest exponent is 2, the degree of 4x2<span> + 6x + 5 is 2</span>
3 0
3 years ago
Solve for x. Write both solutions, separated by a<br> comma.<br> 7x2 - 4x - 3=0
aleksandr82 [10.1K]

Answer:

<h2>x = - 3/7 or x = 1</h2>

Step-by-step explanation:

7x² - 4x - 3 = 0

Rewrite - 4x as a difference

That's

7x² - 7x + 3x - 3 = 0

Factorize the expression

7x( x - 1) + 3 ( x - 1) = 0

(7x + 3)( x - 1 ) = 0

7x + 3 = 0 x - 1 = 0

7x = - 3 x = 1

x = -3/7

The solutions are

x = - 3/7 or x = 1

Hope this helps you

4 0
3 years ago
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