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sdas [7]
3 years ago
12

You your driving from Austin to Houston with a constant speed of 120km/hr (75 mph). After 1.5 hr you stop for 0.5 hr. Then you c

ontinue driving with a new constant speed v2 and reach Houston 45 mins later. If the total distance from Austin to Houston is 265km, what is the speed v2?
Mathematics
1 answer:
Aneli [31]3 years ago
7 0

Answer:

69

Step-by-step explanation:

i'm just hear to get points sorry

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Statistics and probability

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6 0
3 years ago
Evaluate the given algebraic expression for x = 3 and y=3.<br> x^2y^2
Keith_Richards [23]

Answer:

81

Step-by-step explanation:

3^{2} =9\\3^{2} =9

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3 years ago
A square has an area of <br> x^2-14x + 49cm2.<br><br> What is the perimeter of the square?
kozerog [31]

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Step-by-step explanation:

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2 years ago
What is 37477 as a whole number
Andrei [34K]

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8 0
3 years ago
At a high school the student government is made up of 5 seniors, 4 juniors, 3 sophomores and 2 freshmen. If there are 8 seniors,
hjlf

Answer:

  • 32598720

Step-by-step explanation:

<u>Combination for the school government requires:</u>

  • 5 out of 8 seniors = 8! / 3!5! = 6*7*8/2*3 = 7*8 = 56
  • 4 out of 9 juniors = 9! / 4!5! = 6*7*8*9/2*3*4= 7*2*9 = 126
  • 3 out of 12 sophomores = 12! / 3!9! = 10*11*12/2*3 = 10*11*2 = 220
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<u>So number of total ways is:</u>

  • 56*126*220*21 = 32598720
5 0
2 years ago
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