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SVEN [57.7K]
3 years ago
11

Solve for side a. Show your work!!

Mathematics
1 answer:
prisoha [69]3 years ago
4 0
It would 100% be 5.

but my explanation is kind of by look, basically it is one more than the four and one less than the 6 :)
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Use the formula to evaluate the infinite series. Round to the nearest hundredth if necessary.
bagirrra123 [75]

Answer:

1.25.

Step-by-step explanation:

The common ratio r  is 1/5 and the first term a1 = (1/5)^(1-1) = 1.

Sum to infinity =  a1 / (1 - r)

=  1 / (1 - 1/5)

= 1 / 4/5

= 5/4

= 1.25 (answer)

8 0
4 years ago
Read 2 more answers
Andie has a blue sweater, a red sweater, and a purple sweater. She has
Sonja [21]

Answer:

Step-by-step explanation:

blue sweater white shirt

red sweater white shirt

purple sweater white shirt

blue sweater tan shirt

red sweater tan shirt

purple sweater tan shirt

so it is 6

7 0
3 years ago
45 is 9% of what? Would that be a/45 <br> 9/100
Natalija [7]
45 is 9% of 500!

<em>I hope this helps!</em>
7 0
3 years ago
Read 2 more answers
An investment account earns 4% per year compounded annually.
melisa1 [442]
Amount after 3 years = 4000( 1 + 0.04)^3  =   $4,499.46  answer
8 0
4 years ago
Brian and Zack went to the store and bought packs of gum. Brian bought 3 less packs than twice the number zack bought. Together
balu736 [363]

Answer:

  • Zack: 11
  • Brian: 19

Step-by-step explanation:

Let z and b represent the number of packs that Zack and Brian bought, respectively. Then the problem statement tells us ...

  b = 2z -3 . . . . . . . Brian bought 3 fewer than twice what Zack bought

  b + z = 30 . . . . . . they bought a total of 30 packs

Using the first equation to substitute into the second, we have ...

  (2z -3) +z = 30

  3z -3 = 30

  3z = 33 . . . . . . add 3

  z = 11

  b = 2·11 -3 = 22 -3 = 19

_____

<em>Check</em>

  b + z = 19 + 11 = 30 . . . . answer checks OK

Zack bought 11 packs; Brian bought 19 packs of gum.

3 0
3 years ago
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