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makvit [3.9K]
3 years ago
9

if two opposite sides of a rectangle increase in length, how must the other two opposite sides change if the area of the rectang

le is to remain constant
Mathematics
1 answer:
Ann [662]3 years ago
5 0

If you want to increase two opposite sides of a rectangle you're going to have to always decrease the remaining two sides by 20% to keep the area the same.

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If you cut a 35 inch long stick in two pieces in the ratio 2:3, how long would each part be?
Aliun [14]

Answer:

14 : 21

Step-by-step explanation:

---> 2:3 ----> 2+3=5

---> Stick's length = 35 inches

<u />

<u>For the first portion</u>

2/5 x 35

2/1 x 7

= 14 inches

<u>For the second portion</u>

3/5 x 35

3/1 x 7

= 21 inches

To confirm: 14 + 21 = 35 inches

14 : 21

Divide both by 7

2 : 3

7 0
3 years ago
The formula for the perimeter of a rectangle is P = 2L + 2W. The length of a rectangle is 3 times its width. Which expression re
omeli [17]

The perimeter of a rectangle is given by the following formula:     P = 2W + 2L

To solve this formula for W, the goal is to isolate this variable to one side of the equation such that the width of the rectangle (W) can be solved when given its perimeter (P) and length (L).

     P = 2W + 2L

          subtract 2L from both sides of the equation

     P - 2L = 2W + 2L - 2L

     P - 2L = 2W

           divide both sides of the equation by 2

     (P - 2L)/2 = (2W)/2

     (P - 2L)/2 = (2/2)W

     (P - 2L)/2 = (1)W

     (P - 2L)/2 = W

Thus, given that the perimeter (P) of a rectangle is defined by    P = 2W + 2L ,

   then its width (W) is given by    <span>W = (P - 2L)/2</span>

3 0
3 years ago
Why is no one helping or answering ANY of my questions asked so far? :( I thought it said questions are normally answered with-i
vodka [1.7K]
Questions are USUALLY answered within 10 minutes.

Therefore, you're questions might be complicated, hard, or incomplete.

Actual people are answering these questions, so obviously the easier questions get answered first.
3 0
4 years ago
Find the slope of the line that passes through points (4, -20) and (10, -16).
frozen [14]
The answer is c. I think
3 0
3 years ago
Read 2 more answers
In art class Ms smith is working on polygons. She want the students to Create a picture of the polygons. She points out to the c
Ivan

Answer:

There are two more sides on a hexagon than on a quadrilateral

Step-by-step explanation:

If the hexagon has 6 sides, and the quadrilateral has 4, then 6-4=2

8 0
3 years ago
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