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coldgirl [10]
3 years ago
9

At what point do the graphs of 9x - 2y = 30 and x + 2y = 10 intersect

Mathematics
1 answer:
strojnjashka [21]3 years ago
4 0

Answer:

(4,3)

Step-by-step explanation:

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10000x30 1000x30 100x30 10x 30
maksim [4K]

Answer:

300000

30000

3000

300

Step-by-step explanation:

Use the zero's trick for 10's.

4 0
2 years ago
26 + 58 rounded to the nearest ten​
Tanya [424]

Answer:

80

Step-by-step explanation:

4 0
3 years ago
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Marielle's painting has the dimensions shown the school asks her play her to paint a larger version that will hang in the cafete
Pavel [41]

The constant of proportionality is the ratio between two directly proportional quantities. Two quantities are directly proportional when they increase and decrease at the same rate. The constant of proportionality k is given by k=y/x where y and x are two quantities that are directly proportional to each other.

5 0
2 years ago
Find the greatest common factor of the<br> following monomials:<br> u^v^2 11u^2v^5?
Ksenya-84 [330]

Answer:

hi

Step-by-step explanation:

5 0
2 years ago
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the ratio of rock music total cds that ella owns is 25/40 .paolo has 59 rock music cds.the ratio of rock music to total cds in h
const2013 [10]
So, the given information tells us that the ratios between ella's rock music to total cds and paolo's rock music to total cds is the same.  This means that we can set them up in a proportion equal to each other. (Let x represent the amount of total cds in paolo's collection)

25/40=59/x

Next, to simplify this equation, we need to use cross-products to cancel out the fraction bars.

25   59
     =
40    x

If done correctly, the resulting equation is 20*x=59*40

When simplified, the resulting equation is 20x=2360

Finally, we need to divide both sides by 20, in order to find out what integer represents x in this equation.

x=118

This means that Paolo has a total of 118 cds in his collection.
 
The question asks how many CDs Paolo and Ella own together.  To figure this out, all you need to do is add how many CDs Ella has (40) to how many CDs Paolo has (118).

40+118=158.

Paolo and Ella's combined collection of total CDs is 158 CDS.

7 0
3 years ago
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