3 years ago

Someone pls help me on 3 and 4!!!!!! Mark you as

Mathematics

1 answer:

masya89 [10]3 years ago

3 0

3. Simplified Expression

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A homeowner wants to build a circular patio. if the diameter of the patio is 20 feet, what is its area to the nearest whole numb

andreyandreev [35.5K]

We are asked to find the area of patio. It is circular so formula used for area is given by:
$A= r^{2} \pi$
Where
r = radius = diameter / 2 = 20 / 2 = 10 feet

$A = 10^{2} \pi =100 \pi$
When we round this to the nearest whole number:
$A =100 \pi = 314.159=314ft^{2}$

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4 years ago

Hii I really need help!!

borishaifa [10]

Answer:

1.645 ft

Step-by-step explanation:

Divide the length of the board by the number of pieces it will be cut into

8.225/5=1.645 ft

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3 years ago

If triangle ABC ≅ triangle DEC, what is the value of x?

stepladder [879]

So, You want to square 4 and 5. Subtract 16 from 25. then fix the squaring. After getting the missing side. You want to subtract 2 or add one and divide by four.

So x = 1. Hope this helps.

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dem82 [27]

Answer:

it's UwU sussy uwuu bakaaa uwuuu :)

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PLS IT FOR A NWEA TEST I NEED IT ASAP