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aksik [14]
2 years ago
9

Halp u-u

Mathematics
1 answer:
Stels [109]2 years ago
3 0

Answer:

If the 5 students could do it in 2 hours then it would take one person 10 hours. 10/x=y.

Step-by-step explanation:

rawr! brainliest pleasee~ ~hailey

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If you roll the six sided dice six times, are you guaranteed to get a sum of 7 once? answer
BlackZzzverrR [31]
Yes it can be guaranteed to get a sum of 7 once
5 0
3 years ago
The breadth of a rectangular garden is 2/3 of its legth. If its perimeter is 40cm, find its dimensions.
Arisa [49]

Answer:

12; 8

Step-by-step explanation:

length-x

breadth-2/3x

2(x+2/3 x)=40

2×5/3x=40

10/3x=40

x=40÷10/3

x=40×3/10

x=12 (cm) length

2/3×12=8 (cm) breadth

6 0
3 years ago
The university police department must write, on average, five tickets per day to keep department revenues at budgeted levels. Su
katrin [286]

Answer:

3.566%

Step-by-step explanation:

The probability formula for a poisson distribution is:

P( k )=\frac{\lambda^{k}e^{-\lambda}}{k!} \\

λ is the average of events

e is the euler's number

k is the number of events you want to know the probability

For this :

λ = 8.9 (on average the number of tickets is 8.9 per day)

k = 4 (you need to find the probability that exactly 4 tickets are written per day)

P( k=4 )=\frac{8.9^{4}e^{-8.9}}{4!}=0,03566 =3.566\%

6 0
3 years ago
Kahn academy question:
Rufina [12.5K]

Answer:

  2.97×10³

Step-by-step explanation:

3600 - 6.3×10² = 3600 -6.3×100 = 3600 -630 = 2970

  = 2.97×1000

  = 2.97×10³

_____

Your calculator can accept and display numbers in scientific notation.

8 0
2 years ago
Write the slope-intercept form of the equation of the line that is perpendicular to AB and passes through Point X. Show all work
aleksandr82 [10.1K]

Answer:

Equation of line is y=(12/5)x+2

Step-by-step explanation:

The slope of line AB is -5/12. The line passing X is perpendicular to line AB and hence have a slope of 12/5. The slope intercept form is given by y=mx+c.

Now, point X satisfies the equation. Plugging in the slope of the line we end up with

y=(12/5)*x+c, now to find c

-10=(12/5)*(-5)+c, c=2

Equation of line is y=(12/5)x+2

7 0
3 years ago
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