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2 years ago

If I have -2x and I have to divide it by itself do I divide by 2 or -2?

2 answers:

3 0

$\text{If I understand your question correctly, you would divide by -2}\\\\\text{The variable, x, can't be a negative, or else it wouldn't be considered}\\\text{as a solution yet}\\\\\text{Therefore you would need to divide by -2 to get x by itself, and turn}\\\text{it into a positive. "x" has to be positive}\\\\\text{For example:}\\\\-2x=2\\\\\text{You have to divide by -2 to get your solution}\\\\\text{If you divide by 2:}\\\\-2x=2\\\\-x=1\\\\\text{It would not be a solution}\\\\$

$\boxed{\text{Divide by -2}}$

Bess [88]2 years ago

3 0

Answer: -2 or 2

Step-by-step explanation:

If the question ask absolute value

is 2

if not -2

You might be interested in

Write an inequality for x that would give this rectangle a perimeter of at least 300ft

Travka [436]

Answer:

The inequality for $x$ is:

$x\geq 142$

Step-by-step explanation:

Given:

Width of rectangle = 3 ft

Height or length of rectangle = $(x+5)$ ft

Perimeter is at least 300 ft

To write an inequality for $x$ .

Solution:

Perimeter of a rectangle is given as:

⇒ $2l+2w$

where $l$ represents length of the rectangle and $w$ represents the width of the rectangle.

Plugging in the given values in the formula, the perimeter can be given as:

⇒ $2(x+5)+2(3)$

Using distribution:

⇒ $2x+10+6$

Simplifying.

⇒ $2x+16$

The perimeter is at lest 300 ft. So, the inequality can be given as:

⇒ $2x+16\geq 300$

Solving for $x$

Subtracting both sides by 16.

⇒ $2x+16-16\geq 300-16$

⇒ $2x\geq284$

Dividing both sides by 2.

⇒ $\frac{2x}{2}\geq \frac{284}{2}$

⇒ $x\geq 142$ (Answer)

7 0

2 years ago

dolphi86 [110]

You need to apply "Proportionality theorem" here:
LM / AB = LN / AC
35 / 5 = LN / 7
LN = 7 * 7
LN = 49

In short, Your Answer would be 49 cm

Hope this helps!

4 0

2 years ago

Read 2 more answers

Help me please this is for the test tomorrow and need the answrt

Elza [17]

Answer:

224 cubes

Step-by-step explanation:

The volume of the cubes is 1/64. Because 1/4*1/4*1/4=1/64.

The volume of the prims is 14/4 because 7/4*2*1=14/4.

Take the 14/4 and divide it by 1/64.

Which equals 896/4 = 224