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Julli [10]
3 years ago
14

The rectangle shown has a perimeter of 38 cm and the given area. Its length is 4 more than twice its width. Write and solve a sy

stem of equations to find the dimensions of the rectangle.
The length of the rectangle is ___cm and the width of the rectangle is
___ cm.
Mathematics
1 answer:
d1i1m1o1n [39]3 years ago
6 0

Answer:

L: 19, W: 5 Area: 70

Step-by-step explanation:

2 * (L+W) = 38

L + W = 19

L = 2 * W + 4

2 * W + 4 + W = 19

3W=15

W=5

L=14

Area= 5 x 14 =70

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ANSWER:
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EXPLANATION:
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1 year ago
Lf a+b=10 ,ab=21 then a^3+b^3=​
Goshia [24]

Answer:

370

Step-by-step explanation:

a=3 or 7

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8 0
3 years ago
Read 2 more answers
Find the 14th term of the sequence using the explicit rule:
Vesna [10]
Plug n = 14 into the formula

= -5(14) + 90
= -70 + 90 = 20
5 0
3 years ago
A manager at the bookstore must arrange a collection of 231 books for display. The manager decides to use a combination of 15 sh
Kitty [74]

Answer:

6 tables.

Step-by-step explanation:

If he has 15 shelves, we can put the overall number of books off to the side for a moment. First calculate how many books he COULD put onto shelves. This would be 7*15, since each of fifteen shelves can hold 7 books. Counting by fifteens or using a calculator allows us to see that the shelves can hold 105 books.

Going back to the original number of books, we subtract 105 from the original value. The equation at this point is 231 - 105. The result is 126 books left to put on top of tables. But we're not done yet!

Since a table can hold 25 books, we need to divide the remaining number of books by 25. That would be 126/25. Doing this gives us 5 tables we would need, plus one book let over. Since we've run out of shelves, we MUST use another table just for the final book. That's 5+1, or 6 tables. Let's not forget to label our answer.

6 0
3 years ago
1
zheka24 [161]

Step-by-step explanation:

{x}^{65559

8 0
3 years ago
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