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denis23 [38]
3 years ago
10

What is 5 2/9 plus 7 5/15

Mathematics
2 answers:
mr_godi [17]3 years ago
8 0
47/9+110/15=705/135+990/135=1695/135=12 15/27
alina1380 [7]3 years ago
7 0
47/9+110/15=705/135+990/135=1695/135=12 15/27
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On a coordinate plane, how are the locations of the points (1 , -5) and (-1 , 5) related
KengaRu [80]

Answer:

They are a transformation

Step-by-step explanation:

Checked using desmos graphing

8 0
3 years ago
the half-life of isotope X is 2.0 years. How many years would it take for a 4.0mg sample of X to decay and have only 0.50 mg of
shepuryov [24]

After 2.0 years, the 4.0 mg sample decays to 2.0 mg.

After another 2.0 years (total 4.0 years), the 2.0 mg sample decays to 1.0 mg.

And after another 2.0 years (total 6.0 years), the 1.0 mg sample decays to 0.50 mg.

So it takes 6.0 years for 4.0 mg to decay to 0.50 mg.

4 0
2 years ago
The sum of two numbers is -9. The difference of the two numbers is -41. What are the two numbers?
Nataly [62]

Answer:

the two numbers are 16 and -25

Step-by-step explanation:

Let the two numbers be x and y

x+y=-9

x-y=-41

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y=-9-x

x-(-9-x)=-41

x+9+x=-41

2x=-41-9

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x=-25

y=-9-(-25)

y=16

6 0
3 years ago
A jar contains nickels and dimes. There are 20 coins in the jar, and the total value of
weeeeeb [17]

Answer:

Step-by-step explanation:

n and d are the number of nickels and dimes, respectively.

"there are 20 coins"

n+d = 20

d = 20-n

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0.05n + 0.10d = 1.40

0.05n + 0.10(20-n) = 1.40

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0.05n = 0.6

n = 12

d = 20-m = 8

3 0
2 years ago
Match the verbal description with the part of the graph it describes.
lara31 [8.8K]

Answer:

1F

2C

3A

4E

5D

6B

Step-by-step explanation:

Good luck!

8 0
2 years ago
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