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Burka [1]
2 years ago
9

I need a solution to this quantitative aptitude problem​

Mathematics
1 answer:
Anuta_ua [19.1K]2 years ago
3 0

Answer:

Step-by-step explanation:

Not sure about this but it looks like we subtract 1 from the first number then  add 3 times the difference in the example (N) to get each subsequent number so the Z part is in 1:

10-1 = 9 and second value  is 9 + 3*(15-10) = 24  and  third is 24 * 3*18 = 78 and so on.

So 1 is:

9 24 78 141

The others are worked out in the same way:

so 2 is

5 44 107 173

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12. Find the surface area of each figure to the nearest tenth.
Zolol [24]

Answer:

  12a. 471.2 cm²

  12b. 60 m²

Step-by-step explanation:

Part A.

The surface area of each figure is the sum of the end area and the lateral area.

  <u>cylinder</u>

  S = (2)(πr²) +2πrh = 2πr(r +h)

  S = 2π(5 cm)(5 cm +10 cm) =150π cm² ≈ 471.2 cm²

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  <u>triangular prism</u>

  S = (2)(1/2)bh + PL . . . . b=triangle base; h=triangle height; P=triangle perimeter; L=length of prism

  S = (4 m)(1.5 m) + ((4 + 2·2.5) m)(6 m) = (6 + 54) m² = 60 m²

_____

Part B.

Surface area is useful in the real world wherever products are made from sheets of material or wherever coverings are applied.

Carpeting or other flooring, paint, wallpaper are all priced in terms of the area they cover, for example.

The amount of material used to make containers in the shapes shown will depend on the area of these containers (and any material required for seams).

6 0
3 years ago
-8.4-0.9<br> please help solve
bearhunter [10]

Answer:

-9.3

Step-by-step explanation:

Google

7 0
3 years ago
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Sunday later my sister clean 1 3/9 hours Monday my mom clean 2 5/6 hours the my bad clean 1 4/2 hours who cleaned the most
ohaa [14]

Answer:

Hermana

Step-by-step explanation:

4 0
3 years ago
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You are drawing two cards, without replacement, from a standard deck of 52 cards. What is the
Serga [27]

Answer:

Dear student,

Answer to your query is provided below

Probability of drawing a 2 at first is (4/52) = (1/13)

Probability of drawing a face card in second try without replacement = 12/51

Step-by-step explanation:

Total no. Of cards = 52

Total no. Of cards of 2 = 4

Prob. Of drawing 2 = 4/52

Total no. Of face card = 12

Total no.of cards left in deck = 51

Prob. Of drawing face card = 12/51

5 0
3 years ago
Breanna works in the mall and her hours increase during busy shopping times of the year. Breanna has a plan to save $25 each wee
vesna_86 [32]
The math I used is probably not the quickest way, but for me, the easiest.
25*5=125  25+20=45  45*7=315  125+315=440  25*4=100  440+100=540  5+7+4=16
B is your answer.
5 0
3 years ago
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