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alukav5142 [94]
3 years ago
7

A competition problem requires one hour to fully develop (write, proofread, edit, and typeset). This problem is then given to 30

,000 students, each working an average of 24 seconds to solve the problem. What is the ratio of a problem's development time to the total time spent by the students to solve the problem?
Mathematics
2 answers:
DanielleElmas [232]3 years ago
6 0

Answer:

1/200

Step-by-step explanation:

since you do 30000*24=720000 and you then divide it by 3600 to get 200 hours so it is 1/200

Vsevolod [243]3 years ago
5 0

Answer:

1250

Step-by-step explanation:

30,000/24

divide both sides by 24 to get 1250.

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Please help me! Thank you!
BaLLatris [955]

Answer:p = 28.36

q = 31.78

Step-by-step explanation:

Considering the smaller right angle triangle, with 50° as the reference angle, the opposite side is q and the adjacent side is 55 - p

Applying the tangent trigonometric ratio which is expressed as

Tan θ = opposite side/adjacent side

Tan 50 = q/(55 - p)

1.1918(55 - p) = q - - - - - - - - - 1

Considering the bigger right angle triangle, with 30° as the reference angle, the opposite side is q and the adjacent side is 55

Applying the tangent trigonometric ratio which is expressed as

Tan θ = opposite side/adjacent side

Tan 30 = q/55

0.5774 = q/55

q = 55 × 0.5774

q = 31.757

Substituting q = 31.757 into equation 1, it becomes

1.1918(55 - p) = 31.757

65.549 - 1.1918p = 31.757

1.1918p = 65.549 - 31.757

1.1918p = 33.792

p = 33.792/1.1918

p = 28.36

6 0
3 years ago
I needddd heelpppp please
Nostrana [21]
Okay I am not 100% sure because that is an extremely confusing question. But here is what I got.

(A) 2c² = 2bc + ac/2     Given

(B) 4c² = 2bc + ac        Multiplication and Distribution

(C) 4c = 4b + a            Division and Distribution

(D) 4c - a + 4b             Subtraction

(E) 4b = 4c - a              Symmetric
6 0
4 years ago
12 donuts cost $6.96. What is the unit rate for one donut?
drek231 [11]

Answer:

6.96/12

= 0.58

Step-by-step explanation:

each donut costs $0.58. you can check the work by plugging 12 in for x.  (0.58x)

i hope this helps :)

5 0
3 years ago
A school baseball team earned $3416.90 from selling 5716 tickets to their game. If grandstand tickets sold for 65 cents each and
expeople1 [14]
If all were grandstand tickets, revenue would be 0.65*5716 = 3715.40. It was actually 298.50 less than that. Each bleacher ticket sold drops the revenue by .25, so there were 298.50/.25 = 1194 bleacher tickets sold.
3 0
3 years ago
($8.55+4p) - ($4.25+3p) simplified
adelina 88 [10]

Answer:

p+$4.30

Step-by-step explanation:

4p-3p=p

$8.55-$4.25=$4.30

5 0
2 years ago
Read 2 more answers
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