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hjlf
3 years ago
8

What's the approximate area of 10 cm around a circle ?

Mathematics
1 answer:
bonufazy [111]3 years ago
6 0
<span>To find the circumference of a circle, you use the formula, pi x diameter. Pi=3.14. The diameter is not given to you in the question but we know that radius is half of diameter. So 10 times 2=20. Diameter =20. </span><span> multiply pi and the diameter. 3.14 x 20=62.8.   </span>62.8 cm is your circumference
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Someone please convert this equation to slope intercept form: 2x - 3y = 6?
IgorLugansk [536]
Slope y-intercept form is: y=mx+b

All you have to do is rearrange the equation:

2x-3y=6
2x=6+3y
2x-6=3y

now divide both sides by 3
(2x/3)-(6/3)=(3y/3)

and it becomes
y= \frac{2}{3}x-2x

Bonus: you can plug in any two values for x and y and you can see both equation gives the same answer!
8 0
3 years ago
chelsea deposits $600 into a bank account and is earning simple interest.After 4 years her account has a balance of $621.60.If C
olga nikolaevna [1]
If she deposited $600 and had $621.60 after four years, then she earned: $621.60 - $600 = $21.60 in four years. It means in one year she earned $21.60 ÷ 4 = $5.40. Now we have to find out how many percent of $600 is $5.40:

$5.40 = x% from $600
5.4 = x/100 * 600
5.4 = 600x/100                 / * 100 (both sides)
540 = 600x                       / ÷ 600 (both sides)
x = 0.9

So the interest rate was 0.9% annually.

Now we have to find out how much is 0.9% from $1100:

$1100 * 0.9% =
= 1100 * 9/1009 =
= 9900/1000 =
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It means in one year she would earn $9.90. After 7 years she would earn $9.90 * 7 = $69.30, so she would have in her account:

$1100 + $69.30 = <u>$1169.30</u>
8 0
3 years ago
Can -4/3 be simplified?
ser-zykov [4K]
No -4/3 can not be simplified
3 0
3 years ago
Can someone hep me on this
Pavel [41]
5x+4y= $35
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7 0
3 years ago
What is gross income? Gross income is money earned before taxes are taken from a paycheck. Gross income is money earned after ta
Kaylis [27]

Answer:

Gross income is money earned before taxes are taken from a paycheck

Step-by-step explanation:

Gross income is money earned before taxes are taken from a paycheck

Gross income refers to the total amount of money earned by an individual over a specific period of time usually a year before any deductions such as taxes is made.

Gross income includes income earned from all sources. It can also be called Gross pay on a paycheck.

For example, if an individual earns $100 in a year and is expected to pay a tax of 2%. The gross income is $100 before tax is deducted

7 0
3 years ago
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