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spin [16.1K]
2 years ago
5

.What is the value of the expression below when x=9? Enter the answer as NUMBER only? 1/3 x^2+4

Mathematics
1 answer:
belka [17]2 years ago
5 0

Step-by-step explanation:

<u>1</u><u> </u>*9^2 + 4

3

<u>1</u><u> </u>* 81 + 4

3

<u>1</u><u> </u>* 85

3

<u>85</u>

3

=28

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Please help me for 10 points
irakobra [83]
I think it’s the second one, not 100% sure
7 0
2 years ago
Convert 8.132132132 ... to a rational expression in the form of a over b , where b ≠ 0. (4 points)
Butoxors [25]

8 would become the whole number, since there are 3 repeating numbers you would put those over 999.

So you would get 8 and 132/999

6 0
3 years ago
Read 2 more answers
The air pressure inside Jason's bike tires decreases by about 6% each week. The original pressure was 45 pounds per square inch
Fudgin [204]
Lets do this week by week 
beginning pressure 45 pounds 
end of week 1 
45 *.06 = 2.7
45 - 2.7 = 42.3
end of week 2 
42.3 * .06 = 2.538
42.3 - 2.538 = 39.762
end of week 3 
39.762 *.06 = 2.38
39.762 -  2.38 = 37.37
end of week 4
37.37* .06 = 2.2425
37.37628 - 2.2425= 35.12
end of week 5
35.12 * .06 = 2.107
35.12 - 2.107 = 33.012
end of week 6 
33.012* .06 = 1.98
33.012 - 1.98 =31.03

Here is the fast way to get to this answer. 
do 1-.06 = .94

then do 
45(.94)(.94)(.94)(.94)(.94)(.94)  = 31.04 


8 0
3 years ago
Joel borrowed $1,512. He was to pay that amount back along with an additional 9% interest. He could only pay back 82% of what he
vodka [1.7K]

Answer:

  • $1351.43

Step-by-step explanation:

<u>The amount to pay:</u>

  • $1512 + 9% =
  • $1512*1.09 =
  • $1648.08

<u>The amount paid back:</u>

  • 82% of $1648.08 =
  • 0.82*1648.08 =
  • $1351.43
6 0
2 years ago
Can someone please help me with this I only have 10 min left thanks
KonstantinChe [14]

180...................

4 0
2 years ago
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