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Chapter 3: Q7. (page 150)

Find the value of 鈭�4.3.

(A) -12

(B) -1

(C) 7

(D) 12

Short Answer

Expert verified

The value of 鈭�4.3is 12.

Step by step solution

01

– Concept of modulus

The modulusfunction gives the absolute value of a number irrespective of the number鈥檚 sign. It always gives a non-negative value of any number or variable. It is denoted by x.

02

– Expand the modulus

鈭�4.3=鈭�(鈭�4)鈰�3=4鈰�3

03

– Multiply the numbers

4鈰�3=4脳3=12

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Most popular questions from this chapter

For Exercises 39-41, use the following information.

Adam and his family are planning to rent a midsize car for one-day trip. In the Standard Rental Plan, they can rent a car for \(52 per day plus 23 cents per mile. In the Deluxe Rental Plan, they can rent a car for \)80 per day with unlimited mileage.

39. For each plan, write an equation that represents the cost of renting a car.

Solve each system of equations by graphing.

19.2x+3y=72x鈭�3y=7

Write an algebraic expression to represent each verbal expression.

71. six less than the square of a number

Solve the system of equations by graphing.

x+y=52x-y=4

Solve each system of equations.

x+y+z=鈭�12x+4y+z=1x+2y鈭�3z=鈭�3
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