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Anna11 [10]
3 years ago
13

Make a ten to add. 3+7+9=

Mathematics
1 answer:
andre [41]3 years ago
7 0
You can add 7+3 then add 9 ad you get 19
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The water level in ricky lake changes at an average of -7/48 inch for 1 year.Based on the rate above how much will the water lev
bearhunter [10]

we are given

The water level in Ricky lake changes at an average of -7/48 inch for 1 year

It means that

In 1 year , the water level changes at \frac{-7}{48} inches

and we have to find the water level change after 5 years

so, we can multiply both sides by 5

In 5*1 year , the water level changes at 5*\frac{-7}{48} inches

In 5 years , the water level changes at \frac{-35}{48} inches

Hence,

the water level change after 5 years is \frac{-35}{48} inches........Answer

3 0
3 years ago
X + y = 12
liberstina [14]
We are given with two equations to find the values of two variables, hence the problem can be solved.

Adding the two equations:

x + y = 12<u>x - y = 10
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8 0
3 years ago
Read 2 more answers
suppose that the current canadian dollar to US dollar exchange rate is 0.80 CAD = $1 US and that the U.S. dollar price of an App
Deffense [45]

Answer: 256 CAD

Step-by-step explanation:

Hi, to answer this question we simply have to multiply the price in US dollars of the iphone (320) and multiply it by 0.80 ( Canadian dollar to US dollar exchange rate)

Mathematically speaking:

Since:

$1 US = 0.80 CAD  

$320 x0.80 = 256 CAD

Feel free to ask for more if needed or if you did not understand something.

7 0
3 years ago
I have 273 points, I ask a question that only 2 people can answer, if the question is worth 100 points, how much would each pers
Mariulka [41]
I think 171 but I’m not sure
6 0
3 years ago
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Find the standard deviation for the set of data {27, 14, 7, 21, 19, 23, 26, 30, 4}
antoniya [11.8K]

4 , 7 , 14 , 19 , 21 , 23 , 23 , 26 , 27 , 30

Step-by-step explanation:

HOPE IT'S HELP ;)

7 0
2 years ago
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