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katrin [286]
3 years ago
10

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 feet8 feet by 8 8 feet by 8 20 feet by 20 feet
Mathematics
2 answers:
tatiyna3 years ago
7 0
(x - 8)^2 = 144
take the sq rt of both sides
x - 8 = 12
x = 12 + 8
x = 20

20 feet by 20 feet
Vsevolod [243]3 years ago
6 0

Answer:

D is the answer

Step-by-step explanation:

Edgunity 2020 :)

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Answer:

<u><em>D. 95</em></u>

Step-by-step explanation:

The average is also known as the mean. To find the mean, you need to add all the values, then divide them by the number of terms:

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6/3=2

The mean for the example would be 2. Now, using your values, you can use the options to see which one gives you an average of 90:

A.) 85

80+100+85+85=350\\\frac{350}{4} =87.5

B.) 90

80+100+85+90=355\\\frac{355}{4}= 88.75

C.) 92

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The next score on the quiz needs to be 90 for the mean to be 90.

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3 years ago
How does a tree diagram make it easier to tell which outcome occurs most often?
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Step-by-step explanation:

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The daily number of minutes a drummer practiced drumming during a week are 48, 42, 48, 46, 49, 52, 45, and 50.
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b

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3) Lane and Zack purchased a house for $245,000 in 2016. The house loses 4% of its value each year,
kherson [118]

Answer:

In 2030 Lane & Zack's house be worth $65,739.27.

Step-by-step explanation:

Here, as we know The value of  property =  $245,000

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Now, here: Amount depreciated = -( COMPOUND INTEREST on the value)

<u> Step 1: CALCULATE THE COMPOUND INTEREST on P = $245,000</u>

A = P(1 + \frac{r}{100} )^t\\\implies A  = (245,000)(1 + \frac{4}{100} )^{14}  = (245,000)(1 + \frac{4}{100} )^{14}\\=245,000 (\frac{104}{100} )^{14}  = 424,260.73

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So, the amount of the house  by which house depreciates  = $ 179,260

⇒The depreciated value  = Actual Value  - The depreciated amount

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Hence, in 2030 Lane & Zack's house be worth $65,739.27.

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