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Kryger [21]
3 years ago
13

The expression 2(l + w) is used to calculate the perimeter of a rectangle, where l is length and w is width. If the length is Fr

action 2 over 7 unit and the width is Fraction 3 over 7 unit, what is the perimeter of the rectangle in units?
Mathematics
2 answers:
Alex787 [66]3 years ago
5 0
P=2(L+W)
L=2/7
W=3/7

remember that (a/b)+(c/b)=(a+c)/(b)

P=2(2/7+3/7)
P=2((2+3)/7)
P=2(5/7)
P=(2/1)(5/7)
P=10/7
perimiter is 10/7 units
Nonamiya [84]3 years ago
3 0
1.42857 = 1.43 should be the answer
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The number 18 is which percent of 15?
svetoff [14.1K]
3/15=0.2
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Hope this helps :)
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3 years ago
there are two pizzas. Conor ate 1/4 of a pizza, Brandon ate 2/8, Tyler ate 3/4, and Audrey ate 4/8. who ate the most of the two
katovenus [111]
Let's say that each pizza is sliced into 8 equal sized pieces, I have to make all of the fraction have the denominator of 8.
Conor: 1/4 * 2/2 = 2/8
Tyler: 3/4 * 2/2 = 6/8
Brandon: 2/8
Audrey: 4/8
Then I'll put the fractions in order from least to greatest. 2/8, 2/8, 4/8, 6/8. Then you would have to multiply each fraction by 2 since there are two pizzas that have 8 equally sized pieces.
Brandon: 2/8 *2/2 = 4/16
Conor: 2/8 * 2/2 = 4/16
Audrey: 4/8 * 2/2 = 8/16
Tyler: 6/8 * 2/2= 12/16
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4 0
2 years ago
The time t required to do a job varies inversely with the number of people p who work on the job. If it takes 3 hours for 16 peo
Anna71 [15]
Let the hall be A=1. For 3 hours 16 people can decorate the hall. Then P1=A\(t1.number people1) P=1/48. That is for 1 person. You have 24 people to decorate the same hall. Their P2 will be (1/48).24=1/2. t2=A/P2=2 hours
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3 years ago
True or false? In a two-column proof, the right column contains a series of deductions.
denpristay [2]
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8 0
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Read 2 more answers
Mike collected milk from 3 of his cows at the dairy farm. from the first cow, he collected 4/5 gallon of milk. the second cow pr
Oksi-84 [34.3K]

Answer:

(A) 2 3/10

(B) 1 7/15

Step-by-step explanation:

(A) Add the gallons he collected together to get the total amount of milk he started with: 4/5 + 6/8 + 3/4 = 2 3/10 gallons of milk.

(B) Take that number, 2 3/10, and subtract the amount of milk he has left to get the amount of milk he used. 2 3/10 - 5/6 = 1 7/15

7 0
3 years ago
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