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expeople1 [14]
2 years ago
7

Carmen wants to build a rectangular garden with a total area of 100 square feet. Label the rectangles with three different possi

ble
sets of dimensions that she could choose.

Can someone please help me with this, I’m exhausted so my brain isn’t working right now

Thank you so much!!

Mathematics
1 answer:
astra-53 [7]2 years ago
3 0

Answer:

10ftx10ft, 20ftx5ft, 25ftx4ft

Step-by-step explanation:

The formula for the area of a rectangle is:

length * width

In this question, we basically have to find lengths and widths that equal 100:

length * width = 100

Thinking about this we get lots of combinations:

Combo 1 - 1ftx100ft = 100ft^2

Combo 2 - 2ftx50ft = 100ft^2

Combo 3 - 4ftx25ft = 100ft^2

Combo 4 - 5ftx20ft = 100ft^2

Combo 5 - 10ftx10ft = 100ft^2

Here are 5 combos of lengths and widths I came up with that result in 100 square feet :3(I chose combo 3, 4, and 5, but 1 and 2 work too!)

Hope this helps! Please give your brain a break and time to cool down! :3
Feel free to let me know if you need help with anything else!

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Answer:

17/20

Step-by-step explanation:

To find the simplest form of 0.85 you need to turn it into a fraction.

To turn it into a fraction you put 85 over 100 since 0.85 is in the hundredths place.

85/100 can be simplified to 17/20 because 85/5 is 17 and 100/5 is 20

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Two​ researchers, Jaime and​ Mariya, are each constructing confidence intervals for the proportion of a population who is​ left-
egoroff_w [7]

Complete question :

Two researchers, Jaime and Mariya, are each constructing confidence intervals for the proportion of a population who is left-handed. They find the point estimate is 0.13. Each independently constructed a confidence interval based on the point estimate, but Jaime’s interval has a lower bound of 0.097 and an upper bound of 0.163, while Mariya’s interval has a lower bound of 0.117 and an upper bound of 0.173. Which interval is wrong? Why?

Answer:

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Step-by-step explanation:

Point estimate = 0.13

Mariya's confidence interval :

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Upper boundary = 0.173

Jamie's confidence interval :

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Upper boundary = 0.163

The correct confidence interval should have an average value equal to the value of the point estimate ;

Jamie's confidence interval average :

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Mariya's confidence interval average :

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Based on the confidence interval average obtained we can conclude that Mariya's interval is wrong as it the average obtained is greater than the point estimate.

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