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beks73 [17]
3 years ago
12

Express 3950000000 in scientific notation.

Mathematics
1 answer:
Nesterboy [21]3 years ago
7 0
3.95*10^9 move the decimal to the left untill it is in between the last ans 2nd to last number
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3 years ago
Please help me i am desperate please (1/3)
Sergeu [11.5K]

I think we're not supposed to do more than 3 problems in one answer; certainly not five pages. Does the 1/3 mean there are 10 more to come?

I'll do the first page.

6)

Right triangle, opposite side of 10, adjacent side of 21,

tan x = opp/adj = 10/21

x = arctan 10/21 = 25.46°

Answer: 25

7)

cos x =   adj / hyp = 10/14

x = arccos 10/14 = 44.42°

Answer: 44

8)

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x = arctan 1/2 = 26.57°

Answer: 27

9)

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x = arctan 31/32 = 44.09°

Answer: 44

10)

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8 0
3 years ago
Draw a number line and mark all described points on it. Numbers that are both larger than –2 and smaller than 3.
vfiekz [6]

Answer:

The numbers larger than -2 and smaller than 3 are -1,0,1,2.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Help me please! I would appreciate it! :)
GenaCL600 [577]

Answer:

y = 11 1/2

Step-by-step explanation:

7y - 63 = y + 3

-y.           -7

6y - 63 = 3

+ 63.     + 63

6y = 69

/6.     /6

y = 11 1/2

3 0
2 years ago
Read 2 more answers
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