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Alik [6]
3 years ago
7

How can I do this. 0.025 as a percentage of 12.4. Rounded to two decimal places?

Mathematics
1 answer:
kogti [31]3 years ago
8 0

Answer:

\frac{2.5}{100}  \times 12.4 \\ 0.025 \times 12.4 = 0.31

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What is the area of the 50ft by 100ft yard?
mario62 [17]

Answer: 4410 ft^2

Step-by-step explanation:

To find the area of a square or rectangle, all you need to do is multiply the length times the width:

L × W = A

The lengh is 100, and the width is 50

100 × 50 = 5000

However, in this problem, we also have other shapes in the rectangle. To find the area of JUST the green, we need to subtract the areas of the two circles and small blue rectangle.

First, let's get the two circles over with. To find the area of a circle, use this formula:

A = πr^2      r is the radius, which in this case, is 6

A = π6^2

A = 113       This isn't the exact answer, the exact answer would be 113.0973...

Now let's multiply the area of one of those circles by 2, since we have 2 circles:

113 × 2 = 226

Finally, we have to find the area of the blue rectangle. This is simple, just use the formula from the very beginning:

26 × 14 = 364

The last thing to do is to subtract the areas of the two circles and blue rectangle from the area of the entire thing:

5000 - (226 + 364) = 4410 ft^2

4 0
3 years ago
Read 2 more answers
Last year, Deshaun had $20,000 to invest. He invested some of it in an account that paid 9% simple interest per year, and he inv
dezoksy [38]

Answer:

the amount Deshaun invested in an account that paid 9% interest = $9,000

the amount Deshaun invested in an account that paid 5% interest = $11,000

Step-by-step explanation:

Let x = the amount Deshaun invested in an account that paid 9% interest

Let y = the amount Deshaun invested in an account that paid 5% interest.

Thus;

x + y = 20,000 - - - - (eq 1)

Now, After one year, he received a total of $1440 in interest. Thus;

0.09x + 0.05y = 1440

Multiply each term by 100 to give;

9x + 5y = 144000 ---- (eq 2)

Making x the subject in equation 1,we have;

x = 20,000 - y

Putting 20,000 - y for x in eq 2,we have;

9(20,000 - y) + 5y = 1440

180000 - 9y + 5y = 144000

180000 - 4y = 144000

180000 - 144000 = 4y

36000 = 4y

Divide both sides by 4 to give;

y = 36000/4

y = $9,000

x = 20,000 - 9000

x = $11,000

7 0
3 years ago
Can someone please help me with geometry? Thank you.
aivan3 [116]

Answer:

X=10

Step-by-step explanation:

explanation is in the image above

hope this helps please mark me brainiest

7 0
2 years ago
What is the following sentence written as an expression?" Add the product of 3 and 6 to 4".
N76 [4]
The expression will look like this. (3*6)+4
3 0
3 years ago
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Jon invests $4,100 into an account that pays 5 percent simple interest each year.what is the total balance in the account after
AlladinOne [14]
% Interest = 5%
 Principal Amount = $4100
Period Of Pay = 3 yrs

Interest Amount
5/100 × 4100 × 3 
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Amount After Interest
4100 + 615 = 4715

Answer = 4715
7 0
3 years ago
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