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marishachu [46]
3 years ago
15

The area of a rectangular placemat is 168 square inches. Its length is two inches longer than the width. Find the length and wid

th of the placemat.
Mathematics
2 answers:
ExtremeBDS [4]3 years ago
6 0
The length is 14, and the width is 12

Step-by-step explanation:
BartSMP [9]3 years ago
3 0
Length = 14, Width = 12
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What equation is equivalent to x2 + 20x + 81 = -27? Can you show me how you got the answer please
Alla [95]

The equivalent equation is x² + 20x = -102

<h3>Simplification of quadratic equation</h3>

The equivalent equation can be obtained by factorizing or simplifying the given quadratic equation as shown below;

x² + 20x + 81 = -21

<em>collect similar terms together</em>

x² + 20x + 81 + 21 = 0

x² + 20x + 102 = 0

The equation can also be written as x² + 20x = -102

Thus, the equivalent equation is x² + 20x = -102

Learn more about simplification of quadratic equation here: brainly.com/question/1214333

4 0
2 years ago
Graph f(x)=<img src="https://tex.z-dn.net/?f=%202%5E%7Bx%7D%20" id="TexFormula1" title=" 2^{x} " alt=" 2^{x} " align="absmiddle"
Lynna [10]
The solution is x=1.

3 0
3 years ago
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What is the value of y?
NeX [460]

The value of y in the triangle is 2√5

The triangle above is a right angle triangle.

Characteristics of a right angle triangle:

  • One of its angle is equals to 90 degrees
  • The sides can be found using Pythagoras theorem.

Using Pythagoras theorem

  • c² = a² + b²

where

c = hypotenuse(longest side)

a and b are the 2 other legs.

Therefore,

6² = 4² + y²

36 = 16 + y²

y² = 36 - 16

y² = 20

y = √20

y = 2√5

learn more on right angle triangle here:brainly.com/question/3770177?referrer=searchResults

7 0
3 years ago
Read 2 more answers
Ayo need help
sweet-ann [11.9K]
Is there more information? Because it’s impossible to tell without an average size for the items
5 0
3 years ago
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Could someone help please thx
mihalych1998 [28]
I believe the answer is either C or D... I am not sure though..
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4 years ago
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