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TiliK225 [7]
3 years ago
9

The length of a rectangle is four times its width. if the perimeter of the rectangle is 80yd, find its length and width.

Mathematics
2 answers:
Vedmedyk [2.9K]3 years ago
6 0
The length is 8. the width is 32. 

32(2) = 64

8(2) = 16

64+16 = 80 

So the length would be 8 and the width would be 32 since it's 4 times the length.

Hope this helped!
ivann1987 [24]3 years ago
5 0
Lets assume Width=x and Length=Y
y=4x

P= 2(x+y)
80=2(x+4x)
80/2= 5x
40= 5x
x= 8
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Please help me with this question.​
Stels [109]

Step-by-step explanation:

Mean of the origibal set = 20

No. of terms = 10

Sum = Mean x No. of terms

= 20 x 10 = 200

The sum of additional numbers to make the new set of observstion is 4 + 8 + 12...... + 40 = 220

New Sum = 200 + 220 = 420

The no of terms stay the same

New Mean = New Sum/ N

= 420/10

= 42

7 0
3 years ago
Let A = {1,2,3,..., 8, 9, 10} B = {4, 7, 10}
Dovator [93]

The answers to the questions are

(i) B - A = Ф / null set

(ii) A - B = {1, 2, 3, 5, 6, 8, 9}

(iii) (A - B) ∩ (B - A) = Ф / null set

(iv)  (A - B) ∪ (B - A) = {1, 2, 3, 5, 6, 8, 9}

A set contains different elements which are mathematical objects of any kind such as numbers, points, spaces, lines e.t.c.

Different types of set are -singleton setsfinite and infinite setsempty or null sets equal sets unequal sets equivalent sets overlapping sets disjoint sets subsets super sets power sets universal sets

According to question,

i ] B - A = 0/null set

ii ] A - B = [ 1,2,3,5,6,8,9 ]

iii ]   (A-B) n (B-A) = 0/ null set

iv ]  (A-B) u ( B-A) = [ 1,2,3,5,6,8,9 ]

Hence, the answers to the questions are

(i) B - A = Ф / null set

(ii) A - B = {1, 2, 3, 5, 6, 8, 9}

(iii) (A - B) ∩ (B - A) = Ф / null set

(iv)  (A - B) ∪ (B - A) = {1, 2, 3, 5, 6, 8, 9}

To understand more about Set Theory refer - brainly.com/question/13458417#SPJ9

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1 year ago
What is the distance between 4.4 and -2.2 on a number line?
SSSSS [86.1K]

Answer:

2.2

Step-by-step explanation:

4.4 + -2.2 = 2.2

....................................................................

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3 years ago
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sleet_krkn [62]

Answer with Step-by-step explanation:

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2 years ago
There are 20 sixth graders and 25 seventh graders. If each group has the greatest possible number of club members, how many grou
seraphim [82]
4(5)=20
5(5)=25
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