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lorasvet [3.4K]
3 years ago
6

Jillian is trying to save water, so she reduces the size of her square grass lawn by 8 feet on each side. The area of the smalle

r lawn is 144 square feet. In the equation
(x – 8)2 = 144, x represents the side measure of the original lawn.

What were the dimensions of the original lawn?

4 feet by 4 feet
8 + feet by 8 +
8 feet by 8 +
20 feet by 20 feet
Mathematics
2 answers:
dsp733 years ago
7 0
<span>The answer is 20 feet by 20 feet. Let's solve the equation: (x – 8)^2 = 144. (x - 8)^2 = 12^2. Since a^2 = b^2 is the same as a = b, then (x - 8)^2 = 12^2 can be simplified to: x - 8 = 12. Now, solve for x. x = 8 + 12. x = 20. Therefore, the dimensions of the original lawn were 20 feet by 20 feet.</span>
vagabundo [1.1K]3 years ago
4 0

Answer:

D

Step-by-step explanation:

20x20

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Trey has a bookcase with 8 shelves. Each shelf has 40 books. How many books are in the bookcase
Dmitry_Shevchenko [17]

Answer:

8x40=320

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3 years ago
Find two numbers x and y with a sum of 2 and a difference of 12
Law Incorporation [45]

Answer:

x = 7

y = -5

Step-by-step explanation:

x + y = 2

x - y = 12

( x + y ) + ( x - y ) = 2 + 12

2x = 14

x = 7

7 + y = 2

y = -5

Check:

7 + -5 = 2

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Correct

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2 years ago
What are all the factors of 54?
lana66690 [7]

Answer:

1, 2, 3, 6, 9, 18, 27, 54

Step-by-step explanation:

1x54=54

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7 0
3 years ago
Sarahi has p number of pencils, if she finds 2 more and then triples her amount she still has less than Damaris
MrRissso [65]

Answer:

I believe the inequality would be: p+2x3<40

Step-by-step explanation:

Not exactly sure if it is correct but p (number of pencils Sarahi has) added too the 2 more she finds, and then x3 (when she triples her amount). This is less then (<) what Damaris has (which is 40) so it would be p+2x3<40.

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5 0
3 years ago
A store finds that the number of shirts sold increases each week. In the first week, only 15 shirts were sold. In the next week,
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The explicit rule for the arithmetic sequence is a(n) = 7n + 8 if the arithmetic series is 15, 22, 29,...

<h3>What is a sequence?</h3>

It is defined as the systematic way of representing the data that follows a certain rule of arithmetic.

We have:

In the first week, only 15 shirts were sold. In the next week, 22 shirts were sold and in the third week, 29 shirts were sold.

15, 22, 29,...

The first term a = 15

The common difference d = 22 - 15 = 7

a(n) = 15 + (n - 1)7

a(n) = 7n + 8

Thus, the explicit rule for the arithmetic sequence is a(n) = 7n + 8 if the arithmetic series is 15, 22, 29,...

Learn more about the sequence here:

brainly.com/question/21961097

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2 years ago
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