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SashulF [63]
3 years ago
6

A. The perimeter of a rectangle is twice the length plus twice the width. If L represents the length and W represents the​ width

, write an algebraic expression that represents the perimeter.
b. Calculate the perimeter of a rectangle with length 1010 inches and width 1818 inches.
c. The area of a rectangle is the product of its length and width. Write an algebraic expression in L and W that represents its area.
d. Calculate the area of a rectangle with length 1010 inches and width 1818 inches.

a. The algebraic expression that represents the perimeter of the rectangle is??
Mathematics
1 answer:
vampirchik [111]3 years ago
5 0
Perimeter P = 2L + 2W

b.  P =  2*1010 + 2*1818 = 2020 + 3636 = 5656 inches

c.  Area A  = WL

d  Area  = 1010*1818 =  1836180 in^2
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Question is Incomplete;Complete question is given below;

Arla and kal both work in jobs they get paid by the hour in their first week on the job they each worked 40 hours and together there total earnings were $1300 in their second week on the job business was slow so arla worked 20 hours and kal worked 16 hours their total pool earning was $580 what is each persons hourly wage.

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Step-by-step explanation:

Let the hourly wage of Arla be 'x'

Also Let the hourly wage of Kal be 'y'

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first week on the job they each worked 40 hours and together there total earnings were $1300

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40x+40y=1300   ⇒ equation 1

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Number of hours worked by Arla in second week = 20

Number of hours worked by Kal in second week = 16

Total Money earned in second week = $580

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40x+32y =1160   ⇒ equation 3

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(40x+40y)-(40x+32y)=1300-1160\\\\40x+40y-40x-32y=140\\\\8y=140

Now Dividing both side by 8 we get;

\frac{8y}{8}=\frac{140}{8}\\\\y= \$17.5

Now Substituting the value of y in equation 1 we get;

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Hence The hourly wage of Arla is $15 and hourly wage of Kal is $17.5.

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