57 Answered Questions for the topic Real Numbers

#### how to solve (x+a)(x+b)=27

Suppose you are given the equation of the form (x+a)(x+b)=27 where a and b are real numbers. Explain how you would solve this.
Real Numbers Prealgebra

05/26/19

#### The lowest temperature ever recorded in the Southern Hemisphere was −128.6∘F .

The lowest temperature ever recorded in the Southern Hemisphere was −128.6∘F. The lowest temperature ever recorded in the Northern Hemisphere was −93.6∘F. Was the Northern temperature warmer or... more
Real Numbers Geometry Word Problems

04/23/19

Real Numbers

01/02/19

#### Word problems involving the area between two rectangles

a rectangular yard measuring 36 ft by 67 ft is border and surrounded by a fence inside a walk that is 2 ft wide goes all the way along the fence. Find the area of this walk

12/20/18

10/02/18

#### really need help!

explain why ³√-64 is real but √-64 is not
Real Numbers

09/21/18

#### ratio of circumference of the diameter of a circle c/d is represented by π.but we say that π is an irrational number. why ?

Please tell this question answer I am student of 9th Andhra Pradesh state board.This question is from my Chapter 1 Real numbers
Real Numbers

09/03/18

#### A rectangular garden is 5 ft longer than it is wide. Its area is 5250 ft 2 . What are its dimensions?

I would just like to know what is with and lenght, I've been trying to figure it out and still get it wrong. Thank you
Real Numbers

08/17/18

prove that 1>0
Real Numbers

06/23/18

#### Prove 3-√5 is irrational

Prove 3-√5 is irrational
Real Numbers

06/10/18

#### Find the LCM of polynomial 12(x4-x3) and x4-3x3+2x2

Find the LCM of polynomial 12(x4-x3) and x4-3x3+2x2
Real Numbers

04/16/18

#### find two irrational numbers between 0.7 and 0.77

chapter real numbers .find the irrational between two numbers.

#### Solving a decimal word problem using a two-step linear inequality.

Rachel is going to rent a truck for one day. There are two companies she can choose from, and they have the following prices.   Company A charges \$97 and allows unlimited mileage. Company B has... more
Real Numbers

02/21/18

#### Which is the most specific subset of the real numbers that contains the number below? -2

i don't know how to do it

02/13/18

#### Linear Factors Theorem and Conjugate Zeros Theorem

Suppose that R(x) is a polynomial of degree 15 whose coefficients are real numbers.Also, suppose that R(x) has the following zeros.   1-i, -3i, 4(with multiplicity 4)Answer the following: a)... more

01/31/18

#### Degree 3; zeros; -8 , 5- i

Information is given about a polynomial f(x) whoae coeffiecients are real numbers

#### Prove that sup(a, b)=sup[a, b]=b and inf(a, b)=inf[a, b]=a. Is completeness relevant?

Denoting, as usual, by (a, b) an ”open interval”, {x : a<x< b} and by [a, b] the corresponding ”closed interval”, {x : a≤x≤b} of real numbers, prove that sup(a, b)=sup[a, b]=b and inf(a,... more

10/08/17

#### Complex number to exponential form

How do you put the complex number  -2+i  into a form of  e^{ix} ?        with i = sqrt(-1)               x= angle between complex number and the real axis
Real Numbers Number Theory

05/07/17

#### Find a ÷ b

a=(1÷√1)+(1+√3)+(1÷√5).....  b=(1÷√2)+(1÷√4)++(1÷√6).....
Real Numbers Number Theory

05/07/17

#### If n+p=2000 and LCM of n and p is 21879. Then find n and p

P is prime and n is a positive integer
Real Numbers Number Theory

05/07/17

#### Show that 1^2015 + 2^2015 + 3^2015.......+ 2015^2015 is divisible by 2015

Show that 1^2015 + .... 2015^2015 is multiple of 2015
Real Numbers

04/19/17

#### If the odd natural numbers are arranged like a pyramid , then what r the extremities of the row containing the number 2009. 1

they r arranged like this:-.          1                                       3.         5                                 7.       9.        11....

01/16/17

#### What is the relation between the set of complex numbers, the imaginary numbers, and the real numbers?

What is the relation between the set of complex numbers, the imaginary numbers, and the real numbers?
Real Numbers Algebra Word Problems

01/15/17

#### value of x+y

If x+yi/1+i = 7/7+i, where x and y are real numbers, what is the value of x+y?
Real Numbers

11/23/16

#### ax^2+6x-8 What are the all possible combinations of real and complex roots?

how to find all the possible combinations? I know they must equal to 6

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