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andrezito [222]
3 years ago
12

A carpenter is creating a circular wooden table with a radius of 4 feet and needs to know the area of the table to purchase the

correct amount of stain to finish it.
What is the area of the table?

Use 3.14 for π .

Enter your answer, as a decimal, in the box.

(?) ft²
Mathematics
2 answers:
PIT_PIT [208]3 years ago
4 0

Answer: 50.24

Step-by-step explanation:

We know: The radius = 4 feet and that the area of a circle = πr^2

Next: (π) 3.14 (4)^2

which we can simplify to be 3.14 * 16

= 50.24

(just took the test hope this helped)

JulijaS [17]3 years ago
3 0

Answer: The area of the circular wooden table = 50.24 ft²

Step-by-step explanation:

Given: The radius of the circular table = 4 feet

We know that area of a circle is given by :-

\text{Area}=\pi r^2

Therefore, the area of circular wooden table is given by :-

\text{Area}=3.14(4)^2\\\Rightarrow\ 3.14\times16\\\Rightarrow\text{Area=}50.24\ ft^2

The area of the circular wooden table = 50.24 ft²

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Answer:

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7. <u>You have $367.50 after two years.</u>

<em>Start by converting 2.5% into a decimal (divide by 100) and multiplying by 350 to find the rate of interest per year.</em>

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<em>8.75 x 2 = 17.5.</em>

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<em>350 + 17.5 = 367. 5, or $367.50 when converted back to money. </em>

8. <u>The annual interest rate is 2.4%</u>

<em>find the interest rate per year: </em>

<em>120/2.5 = 48 dollars per year. this is the interest amount, we want to find the interest rate. To do this, find what % of 2000 that 48 is equal to. </em>

<em>Set up a system of equations and cross multiply.</em>

<em />\frac{48}{2000} = \frac{x}{100}<em />

<em>2000x = 48(100) > 2000x = 4800</em>

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<em>So, the interest rate is 2.4%. </em>

9.  <u>the interest paid is $300 after six months, and $600 after a year.</u>

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<em>Remember that value. Subtract needed from current.</em>

<em>228 - 200 = $28. </em>

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No, it will not be able to make a right triangle.

<em><u>Solution:</u></em>

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Joel wants to fence off a triangular portion of his yard for his chickens.

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For making it a right triangle it must satisfy the "Pythagorus theorem"

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