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Sauron [17]
2 years ago
15

A rectangle has a length of (10x-3) and a width of (2x+2). Find the perimeter

Mathematics
2 answers:
Vinil7 [7]2 years ago
8 0

Answer:

The perimeter is 24x - 2.

Step-by-step explanation:

The perimeter of a rectangle is found using the following formula: 2(l+w). The length and width added together are 10x - 3 + 2x + 2 or 12x - 1, multiply that by 2 and you'll get that the perimeter is equivalent to 24x - 2.

aleksklad [387]2 years ago
3 0

Answer:

24x-2

Step-by-step explanation:

Perimeter is 2(L+w)

(10x-3)+(2x+2)

Combine like terms

12x-1

2(12x-1)

24x-2

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Vikentia [17]

Answer:

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-2x+17\\ -2(8)+17\\ -16+17\\ 1

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6 0
3 years ago
What is the solution to this system of linear equations? y − 4x = 7 2y + 4x = 2 (3, 1) (1, 3) (3, −1) (−1, 3)
ohaa [14]
Y - 4x = 7...y = 4x + 7
now sub 4x + 7 in for y in the other equation
2y + 4x = 2
2(4x + 7) + 4x = 2
8x + 14 + 4x = 2
12x = 2 - 14
12x = - 12
x = -1

y - 4x = 7
y - 4(-1) = 7
y + 4 = 7
y = 7 - 4
y = 3

solution is : (-1,3)
7 0
3 years ago
Read 2 more answers
Dana and Monique are dog groomers. Dana’s workday is 10 hours and Monique’s workday is 8 hours. Dana and Monique each work 40 ho
Lana71 [14]

Answer:

$127.50

Step-by-step explanation:

To answer this you will need to figure out how many days each person is working each week based on their number of hours and how many hours they work.  Use this to determine the number of dogs groomed and then multiply by the hourly rate.

Dana works 4 days (40/10) and Monique works 5 days (40/8).

Dana:  15 dogs per day x 4 days a week x $12.75 per dog = $765 a week.

Monique: 10 dogs per day x 5 days a week x $12.75 per dog = $637.50 a week.

765 - 637.50 = $127.50.

The difference is $127.50.

3 0
2 years ago
PLEASE FINISH QUICKLYYY!!!!!!
swat32

1) Area = leg(1) * leg(2) * .5 = 15 * 36 * .5 = 270

Perimeter = leg(1) + leg(2) + hypotenuse = 15 + 36 + 39 = 90

2) Area = leg(1) * leg(2) = 20 * 80 = 1600

3) Median (divides it in 1/2)

4) Both (divides it in 1/2 and makes a 90 degree angle w/ base)

5) Altitude (makes 90 degree angle w/ base)

6)sqrt(30^2 + 16^2) = sqrt( 900 + 256) = sqrt(1156) = 34

7) sqrt(24^2 + 18^2) = sqrt( 576 + 324) = sqrt(900) = 30

8) sqrt(40^2 + 96^2) = sqrt(1600 + 9216) = sqrt(10816) = 104

9) sqrt(150^2 - 90^2) = sqrt(22500 - 8100) = sqrt(14400) = 120

10) sqrt(35^2 - 25^2) = sqrt(1225 - 625) = sqrt(600) = 10sqrt(6), approx. 24.5

7 0
3 years ago
He buys a jewel for $180, then sells it for $216. Find his percentage profit.
yan [13]

Answer:20%

Step-by-step explanation:216-180=36. 36/180=.20

6 0
2 years ago
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