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kotykmax [81]
3 years ago
9

Please help!!!i don't understand?

Mathematics
1 answer:
ruslelena [56]3 years ago
6 0
Do you understand?? :D

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Which situation can be modeled by the equation 705 – m= 430?<br> help !!!!
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Real world example could be:
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2. Given that the radius of the Earth is 6340 Km. calculate the Surface Acer of earth <br>​
serious [3.7K]

Answer:

Step-by-step explanation:

The surface area of a sphere (which the earth is considered to be) = 4 pi r^2

pi = 3.14

r = 6340

Area = 4 * 3.14 * 6340 * 6340 = 504856736 square km.

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6 0
3 years ago
5(m – 1) = -2 + 9m + 5
Kamila [148]
5(m-1)=-2+9m+5
5m-5=-2+9m+5
5m-5=3+9m
5m-9m=3+5
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m=-2
make the brainliest.

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3 years ago
3. Ellen has 3 times as many CD's as Sammy. Together they have 32 CD's. How many does
oksian1 [2.3K]

Answer:

8

Step-by-step explanation:

sammy has 8 and ellen has 24 then add sammy's 8

24+8=32

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3 years ago
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