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SSSSS [86.1K]
3 years ago
8

The length of each side of a square is increased by 2 inches. If the perimeter is 20 inches, write an equation to show the origi

nal length of the side
Mathematics
1 answer:
Archy [21]3 years ago
3 0
The new length side of the perimeter, we'll call p. The original length, we'll call o. P's equation looks like this:
p = 20 \times  \frac{1}{4}
Since 5 is the length of one side, subtract 2 from 5 to get 3. The equation looks like this:
o =  \frac{20}{4}  - 2
or simply
o = 5 - 2


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-4r-8(r-6)=7(5r-1)+8
KATRIN_1 [288]

Answer:

r = 1

Step-by-step explanation:

In this question, we have to solve for the vallue of "r". We will use the distributive property shown below to ease our process.

Distributive Property:

a(b+c) = ab + ac

Now, lets solve this:

-4r-8(r-6)=7(5r-1)+8\\-4r-8r+48=35r-7+8\\-12r+48=35r+1\\48-1=35r+12r\\47=47r\\r=\frac{47}{47}\\r=1

As we have seen the value of r is "1"

6 0
3 years ago
Please help me with this please actually help me please and thank you
Westkost [7]

Answer:

C.   (x, y) → (x, -y)

Step-by-step explanation:

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Here's an example to show understanding

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8 0
1 year ago
One advantage of using a histogram is
spin [16.1K]
D, because a histogram does not show individual data points
5 0
2 years ago
A bandleader randomly select's two students out of 100 bandmembers if you and your brother are both bandmembers what is the prob
kherson [118]
<span>There are 100 * 99 = 9900 different ways to choose two students out of 100 bandmembers. You and our brother are 2 of that ways: you being selected first and you being selected second. Therefore the probability that you two are selected is 2 / 9900 = 0,000202. You can also think as the probability of you being selected among 100 bandmembers, which is 1/100, times the probability of your brother being selected among 99 members, which is 1/99 => (1/100) * (1/99) = 1/ (100*99) = 1 / 9900; plus the same for your brother being selected first and you second => [1/9900] * 2 = 2/9900, which is the same calculated above.</span>
6 0
3 years ago
Describe an animal adaptation and explain how it helps survival.
marin [14]

Answer and Step-by-step explanation:

Animal adaption for Birds.

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The birds have small beaks, but over time, their beaks become bigger, stronger, and sharper, so that it can break into the hard shell nuts, allowing them to eat the nuts.

<em><u>#teamtrees #WAP (Water And Plant)</u></em>

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3 years ago
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