All categories

3 years ago

Solve this equation Algebraically

Mathematics

2 answers:

horrorfan [7]3 years ago

6 0

my PayPal is tiyastar pay $0.20 I’m trying to buy a $4.00 necklace for my mum

sergeinik [125]3 years ago

5 0

Answer:

x=−1 ,1,−2

Step-by-step explanation:

x3+2x2−x=2

x3+2x2−x−2=2−2

x3+2x2−x−2=0

(x+1)(x−1)(x+2)=0

x+1=0 or x−1=0 or x+2=0

x=−1 or x=1 or x=−2

You might be interested in

A test tube is cylindrical in shape with a length of 152 mm and a radius of 6.5 mm. What is the volume of the test tube? Report

vazorg [7]

Answer:

20165

Step-by-step explanation:

Given:

Length/height (h) of cylindrical test tube = 152 mm

Radius of cylindrical test tube = 6.5 mm

Volume = $\pi r^2h$

Required:

Volume of cylinder to nearest whole number

Solution:

The volume is given as $V = \pi r^2h$

Take π as 3.14 and plug the values of r and h into the volume formula.

$V = 3.14*6.5^2*152$

$V = 3.14*6.5*152 = 20165.08$

Volume of the test tube = 20165 mm³ (nearest whole number)

5 0

2 years ago

I need help on my homework

soldi70 [24.7K]

Answer:

$\displaystyle m\angle AED=32.5^\circ$

Step-by-step explanation:

<u>Angles in a Circle</u>

An exterior angle of a circle is an angle whose vertex is outside a circle and the sides of the angle are secants or tangents of the circle.

Segments AE and DE are secants of the given circle. They form an exterior angle called AED.

The measure of an exterior angle is equal to half the difference of the measure of their intercepted arcs.

Intercepted arcs in the given circle are AD=113° and BC=48°. The exterior angle is:

$\displaystyle m\angle AED=\frac{AD-BC}{2}$

$\displaystyle m\angle AED=\frac{113^\circ-48^\circ}{2}=\frac{65^\circ}{2}$

$\displaystyle m\angle AED=32.5^\circ$

8 0

2 years ago

Can you help me please

leonid [27]

Answer

Step-by-step explanation:

(4-1)^2+(8-8)^2=9

square root of 9 is 3

8 0

3 years ago

A new cell phone was $625 but it was reduced to $500. What was the percent of decrease?

zepelin [54]

Answer:

80%

Step-by-step explanation:

To find percent decrease (new amount/original amount)*100

(500/625)*100

=80

to check

625*.80

=500

625*80%

=500

4 0

2 years ago

Read 2 more answers

What formula is used to find 44% of 8?<br><br>

-BARSIC- [3]

The formula is 8x.44

6 0

2 years ago