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3 years ago

Factor completly f(x)=x^4-2x^3-3x^2+2x+2

Mathematics

1 answer:

katrin2010 [14]3 years ago

8 0

F (x)= (x+1)(x-1)(x^2-2x-2)

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A diagonal of a cube measures

Gennadij [26K]

Answer: 7cm

Step-by-step explanation:

Use pythagorean theorum:

Variables:

Let the edge = A

Face diagonal (F) = 10cm

Inner diagonal (I) = sqrt(150) cm

A^2 = I^2 - F^2

A^2 = [sqrt(150)]^2 - 10^2

A^2 = 150 - 100

A^2 = 50

A = sqrt(50)

A = 7.0710678 cm

A = 7cm (to the nearest tenth)

so, length of an edge = 7cm

4 0

2 years ago

Kelly and Sean work together to clean a section of highway that is 10/3 Mile long. write this distance as a mixed number

skelet666 [1.2K]

3 1/3 easy i trick i use is too divide the three by 10 you get 3 and there's 1 left so three wholes and 1/3 left

5 0

3 years ago

1. Jaida leans a 17-foot ladder against the side of her house so that the base of the ladder is 8 feet from the house. How high

Nutka1998 [239]

Answer:

44552523/////////////////////////////////////////////////////////////////////

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Natasha has a $50 gift certificate

stepan [7]

Answer:

she bought 4 braclets

Step-by-step explanation:

if you do 20 times 4 it gets you 80 and if you subtract 50 it leaves you with 30 meaning she bought 4 bracelets

i do hope this helps even tho my explanation isn't exactly the best

8 0

3 years ago

No one has answered this one

krek1111 [17]

Answer:

$\displaystyle x = \frac{25\sqrt{2}}{2}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Multiplication Property of Equality
Division Property of Equality
Addition Property of Equality
Subtraction Property of Equality

Trigonometry

[Right Triangles Only] SOHCAHTOA
[Right Triangles Only] cosθ = adjacent over hypotenuse

Step-by-step explanation:

Step 1: Define

Identify variables

Angle θ = 45°

Adjacent Leg = 25

Hypotenuse = x

Step 2: Solve for x

Substitute in variables [cosine]: $\displaystyle cos(45^\circ) = \frac{x}{25}$
[Multiplication Property of Equality] Multiply 25 on both sides: $\displaystyle 25cos(45^\circ) = x$
Rewrite: $\displaystyle x = 25cos(45^\circ)$
Evaluate: $\displaystyle x = \frac{25\sqrt{2}}{2}$

7 0

3 years ago