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irinina [24]
2 years ago
14

Geometry plz help mee

Mathematics
1 answer:
KATRIN_1 [288]2 years ago
4 0

Answer:

Easy number 1 is 456 because if you simplify the answer in the right form you will get 456 and then add 10 and 20 to get 632 and your welcome your on your own for the last ones

Step-by-step explanation:

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A woman sold an article for 400.00and made a profit of 25%,Find ty cost price and profit​
Katarina [22]

Answer:

$100 profit, $300 cost

Step-by-step explanation:

So 25% of $400 is $100, now we know she made $100 on the article

and the other $300 was the amount used to make the article i'm asuming

7 0
3 years ago
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The polygon in the diagram is a regular octagon with center A. Find the area of the octagon to the nearest tenth of a foot. A) 2
IRISSAK [1]
Method 1: In order to find out the area of an octagon with a radius of 4 feet, we have to split the whole figure into 8 equal isosceles triangles.
Therefore, 
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Method 2: From method 1, it would take time as there are too much of calculation, therefore we would go for the shortcut using the formula:

Area = 2√2 × r²

where r<span> is the radius of the octagon.
Substituting the values,
We get:
             </span>Area = 2√2 × 4²
             Area = 2√2 × 16
             Area = 2× 1.41 × 16 
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Rounded to the nearest tenth:

Area = 45.3 ft²


4 0
3 years ago
96=-8k solve <br> Show work
larisa86 [58]

Answer:

k = -12

Step-by-step explanation:

<u>Step 1:  Divide both sides by -8</u>

<u />96 / -8 = -8k / -8

-12 = k

Answer: k = -12

3 0
3 years ago
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mixas84 [53]

Answer:

Step-by-step explanation:

7 0
2 years ago
Kim's furniture store is offering a 30% discount on all its armchairs. Using a proportion, find the discount of the price of an
Airida [17]
79.8 is the discount of the price of an armchair that originally cost $266.00......... because 266.00÷30%=79.8
3 0
2 years ago
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