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slava [35]
3 years ago
6

Pls help me

Mathematics
1 answer:
Lesechka [4]3 years ago
5 0

Answer:

Step-by-step explanation:

when x=4

area=4²+14×4+c=16+56+c=72+c

8²=64

9²=81

72+c=81

c=81-72=9

area=81  units²

length of each side=√81=9 units

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2 ^ x - 12/2 ^ x is equal to -4​
Anastaziya [24]

Answer:

-3071/16

Step-by-step explanation:

Hope this helps, if you wrote it wrong or need help understanding please let me know!

4 0
3 years ago
How can I solve 4x-2>3x+5
cluponka [151]
You would move over the -2 making the equation look like this 4x>3x+7. Then move the 3x to the other side of the equation making it look like this 1x>7. Thus the answer is x>7.
7 0
3 years ago
Help pls, i dont get the question
aksik [14]
[0,&) maybe it’s this
7 0
3 years ago
What is 851.64 in expanded notation?
navik [9.2K]
8 x 100 = 800
5 x 10= 50
1x1=    1
6 x 0.10= 0.6
4 x 0.01 = 0.04
              = 851.64
7 0
3 years ago
If side b is 12 and side c is 31. Round your answer to the nearest hundredth.
Marrrta [24]

Answer:

i think you mean area so 31?

Step-by-step explanation:

i need more stuff to answer that

6 0
3 years ago
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