2 years ago

The cube less the square of a number is twice the number. If x is a positive integer, what is its value

Mathematics

1 answer:

olga55 [171]2 years ago

3 0

Answer:

Step-by-step explanation:

let 'x' = number

x³ - x² = 2x

x³- x² - 2x = 0

x(x² - x - 2) = 0

x(x - 2)(x + 1) = 0

x = -1, 0, 2

the only positive solution is the number 2

You might be interested in

Kaylin recorded how much she grew in inches each month for four months and recorded the results as: 0.75, 0.3215, 3/8, 9,16 list

Leni [432]

It is 0.3215, 9/16, 0.75, 3/8

8 0

3 years ago

Read 2 more answers

6. The dimensions of a rectangular garden are 380ft x 250ft. If you want to walk around this garden to make 3 miles for a mornin

SSSSS [86.1K]

Answer:

Step-by-step explanation:

L=3(5280)/(2(380+250))

L=15840/1260

L=12.57

So to walk three miles one must walk around the garden 12.57 times.

7 0

3 years ago

A road sign is in the shape of a regular pentagon. What is the measure of each angle on the sign? Round to the nearest tenth. Se

dangina [55]

Answer:

Option D) 108 degrees

Step-by-step explanation:

We are given the following in the question:

A regular pentagon.

Thus, all the angles of the pentagon are equal.

Angle sum property of pentagon:

In a pentagon, the sum of all the interior angle of a pentagon is 540 degrees.

Measure of each angle =

$=\dfrac{\text{Measure of angle}}{\text{Number of angle}} = \dfrac{540}{5} = 108^\circ$

Thus, the measure of each angle on the sign is 108 degrees.

Option D) 108 degrees

6 0

3 years ago

Describe a real world problem that uses the expression 29 divided by (3/8 + 5/6).

Westkost [7]

<span>29 divided by (3/8 + 5/6)

24</span>

5 0

3 years ago

What is 18-4d equal to

jeka94

I think 14d hope this helps

6 0

3 years ago

Read 2 more answers