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3 years ago

13

The area of a rectangle is (4x2 − 49y2) square units. Determine the dimensions of the rectangle by factoring the area expression

completely.

1 answer:

Pani-rosa [81]3 years ago

4 0

Answer:

8x

Step-by-step explanation:

$(4x^{2} - 49y^{2} ) = (2x+7y)(2x-7y)$

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A dice is a perfect cube. The length of the side of the dice is 1 cm. The density of a dice is 2 g/cm.

vfiekz [6]

Answer: I handdbbdhddhdndnndnddnndjdjdjdjdjdjdjdjdjdjdjdjdjdjdjd

Step-by-step explanation:

5 0

2 years ago

Which of the following statements are true about the given rational equation? check all of the boxes that apply. 4 x 6 1 x2 = x

Agata [3.3K]

We can actually see that the statements that are true are:

A. x = 1 is a solution.

C. x = –1 is a solution.

<h3>What is rational equation?</h3>

Rational equation is actually known as an equation that contains at least one fraction. The denominator and numerator are known to be polynomials.

We can see then that:

$\frac{4}{x + 6} + \frac{1}{ {x}^{2} } = \frac{x + 10}{ {x}^{3} + 6 {x}^{2} }$

It's clear that: x ≠ 0 and x ≠ -6.

Looking for the LCM of the left hand side, we will have:

$\frac{4}{x + 6} + \frac{1}{ {x}^{2} } = \frac{4 {x}^{2 } + (x + 6)}{(x + 6) {x}^{2} }$

So, we will see that left hand side and right hand side are equal.

$4 {x}^{2} + x + 6 = x + 10$

$4 {x}^{2} = 10 - 6$

$4 {x}^{2} = 4$

${x}^{2} = 1$

$x = 1$

or

$x = - 1$

So, we can see that options A and C are correct.

Learn more about rational equation on brainly.com/question/11611235

3 0

2 years ago

Convert the following equation into standard form Y equals negative 7X over 8 +4

dusya [7]

9514 1404 393

Answer:

7x +8y = 32

Step-by-step explanation:

Clear fractions and add the opposite of the x-term.

y = -7x/8 +4

8y = -7x +32 . . . . . multiply by 8

7x +8y = 32 . . . . . .add 7x

8 0

2 years ago

Once inside the city, Simon must rescue the

faltersainse [42]

Answer:

I found someone's answer online. Hope it helps you!

Step-by-step explanation:

3 0

1 year ago

What is 9-4(2x-1)=45?

Alexandra [31]

<span>9-4(2x-1)=45
Multiply -4 by 2x and -1
9-8x+4=45
Subtract 9 from both sides
-8x+4=36
Subtract 4 from both sides
-8x=32
Divide both sides by -8
Final Answer: x= -4</span>

5 0

3 years ago