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Gala2k [10]
4 years ago
14

A box of 15 cookies costs $9. What is the cost for 1 cookie?

Mathematics
2 answers:
Volgvan4 years ago
7 0
Let's set up a proportion. (<em>We will call our answer x.</em>)

15 cookies / 9 dollars = 1 cookie / x dollars
15x = 9
x = 9/15 dollars

x = 60 cents
Anon25 [30]4 years ago
3 0
$9.00/15 cookies =$.60
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3 years ago
In which number does the digit 2 have a value that is ten times as great as the value of the digit 2 in the number 135,284?
Valentin [98]

Answer: See explanation

Step-by-step explanation:

You didn't give the options but let me help out.

First and foremost, we should note that the value of the digit 2 in the number 135,284 is 200. Therefore, the value that is ten times as great as the value of the digit 2 in the number 135,284 would be:

= 10 × 200

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Therefore, the 2 must be in the thousands place. This can be seen in numbers such as:

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6 0
3 years ago
The city of Anville is currently home to 16000 people, and the population has been growing at a continuous rate of 4% per year.
Nesterboy [21]

Answer

After 13.15 years the population of both towns will become equal.

Step-by-step explanation:

Population of the city Anville is given by using the compound interest formula  

The formula of compound interest

A = p( 1+r/n)^n*t

using this we get

P1 = 16000 (1 +\frac{0.04}{1}) ^1*t

Population of the city of Brinker will be

P2 = 11000( 1  + \frac{0.07}{1}) ^1*t

now to make equal population in both towns

P1=P2

16000 (1 +\frac{0.04}{1}) ^1*t = 11000( 1  + \frac{0.07}{1}) ^1*t

(\frac{1.04}{1.07} )^t = \frac{11}{16}

t = 13.15 years

5 0
3 years ago
Convert the equation from Polar to Rectangular form: r sin θ = 4.
Marat540 [252]

y = r sin theta

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r sin theta = 4  Substituting for sin theta:-

r * (y/r) = 4

y = 4 is the answer


4 0
3 years ago
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