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Art [367]
4 years ago
14

In 2012, five U.S postal stamps cost $2.20. how much did seven stamps cost? answer please

Mathematics
2 answers:
GarryVolchara [31]4 years ago
6 0
This is very easy to solve. You know that 5 stamps costs $2.20. To find out how much 1 stamp is you have to divide $2.20 by 5.   
$2.20/5=$0.44
So now we know that 1 stamp is 44 cents.
Since you want to know how much 7 stamps cost, you have to add two more stamps to the stamps you already have.
5 stamps=$2.20+ 1 stamp= $0.44 + 1 stamp= $0.44
2.20+0.44+0.44= 3.08
So, 7 stamps costs $3.08.
Get it? Let me know if you still don't understand.
Kruka [31]4 years ago
3 0
You'd do $2.20 and multiply it by seven. Which would give you $15.40, according to my calculations.
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What are the following numbers writen as powers? 243
puteri [66]

Answer:

243=3^5

Step-by-step explanation:

We have to write 243 as a power of some number.

So, if we factorize 243 we get,

243 = 3 × 3 × 3 × 3 × 3

Therefore, we can write 243 as a power of 3.

No other number can be written in powers of 243 because it do not contain any other factor than 3.

Hence, 243 can be written as :

243=3^5

6 0
4 years ago
Which type of parent function is f(x) =^3cubed x
sergij07 [2.7K]

Answer:

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Step-by-step explanation:

Because there is a 3 outside the symbol.

That means the equation is stating: y * y * y = x

Hope this helps :)

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3 years ago
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xenn [34]

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A

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5 0
3 years ago
Read 2 more answers
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OLEGan [10]

Answer:

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is the perimeter of rectangle

8 0
3 years ago
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recipe for two dozen cookies calls for 234cups of sugar. How much sugar is needed to make one dozen cookies? A 38cupsover33, cup
gtnhenbr [62]

Answer:

117 cups

Step-by-step explanation:

two dozen cookies calls for 234cups of sugar

2 dozen cookies = 234 cups of sugar

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Let x = cups of sugar needed

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2 dozen cookies : 234 cups of sugar = 1 dozen cookies : x cups of sugar

2 : 234 = 1 : x

2 / 234 = 1 / x

Cross product

2*x = 234 * 1

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x = 234 / 2

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Your options are wrong because none corresponds with the answer

3 0
3 years ago
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