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kkurt [141]
3 years ago
13

The width of a rectangle is 5 feet more than its length. The perimeter is, at most,

Mathematics
1 answer:
garik1379 [7]3 years ago
3 0

Answer:

The largest possible width is 15 feet.

Step-by-step explanation:

w=l+5\\2w+2l\leq 50\\w+l\leq 25\\

l+5+l\leq 25\\2l\leq 20\\l\leq 10

w\leq 15

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Please help 7th grade math question? URGENT! awarding brainliest!
Ivenika [448]

correct Option is B i.e, 72x^2+288x^2-216x whose simplified form is: 360x^2-216x

Step-by-step explanation:

We need to solve the expression:

2[(6x)(6x)]+4[(12x - 9)(6x)]

Solving:

2[(6x)(6x)]+4[(12x - 9)(6x)]\\=2[36x^2]+4[(12x*6x)-(9*6x)]\\=72x^2+4[72x^2-54x]\\=72x^2+288x^2-216x\\=360x^2-216x

So, correct Option is B i.e, 72x^2+288x^2-216x whose simplified form is: 360x^2-216x

Keywords: Surface area of the rectangular prism

Learn more about surface area of the rectangular prism at:

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3 years ago
Write down the smallest 4-digit even number that can be made using each card only once. Using cards:6,9,3,1
kondaur [170]
1369. If this is what you are trying to find, hope this helps.
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Area of composite shapes!!
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5) What is the value of n in the picture?<br> 3n<br> n 14<br> A) 19<br> B) 33<br> C) 57<br> D) 41.5
svetoff [14.1K]
Ok. because those two angles are sumplimentary, (they equal 180 degrees) we can set up an equations.
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then isolate the variable
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     -14   -14
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then divide to undo the multiplication

4n=166
---   ----
4      4
 
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<h3>Answer:  Choice D)  7.5 cm</h3>

==========================================================

Explanation:

We are told that quadrilateral ABCD is similar to quadrilateral EFGH.

The order of the four letter sequence is important.

  • For ABCD, we have AB as the first pair of letters.
  • For EFGH, we have EF as the first pair of letters.

Therefore, AB and EF are corresponding sides.

So AB = 10 and EF = x pair up together. We can form the ratio AB/EF which becomes 10/x.

The diagram shows that AD = 8. Notice that A and D are the first and last letters of ABCD. The first and last letters of EFGH are E and H. We can see that AD and EH correspond to one another because of this.

AD = 8 and EH = 6 forming the ratio AD/EH = 8/6

Because the quadrilaterals are similar, the corresponding ratios must be the same. Therefore, AB/EF is the same as AD/EH.

-----------------------

Let's set up a proportion to solve for x

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10*6 = x*8

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8x = 60

x = 60/8

x = 7.5  Answer is choice D

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2 years ago
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