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guapka [62]
3 years ago
15

What’s the vertex for the quadratic equation y=3x^2+5x-2? Would really appreciate it if someone knew. :)

Mathematics
1 answer:
earnstyle [38]3 years ago
6 0

Answer:

It would be a minimum at (-5/6, -49/12) or (-0.833, -4.08)

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What is the missing number in the sequence shown? 5, 9, 14, 20, __, 35
Sonja [21]
  • \sf{ 27}

Step-by-step explanation:

  • 5+<em>4</em>=9
  • 9+<em>5</em><em>=</em>14
  • 14+<em>6</em><em>=</em>20
  • 20+<em>7</em><em>=</em><u>2</u><u>7</u>
  • 27+<em>8</em><em>=</em>35

So The sequence is 5,9,14,20,<u>2</u><u>7</u><u>,</u>35

8 0
3 years ago
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Gym 1 charges a $40.00 fee to join the gym and $10.00 per month.
Jobisdone [24]

Answer:

in 10 months Gym 1 will cost as much as Gym 2 did in its fee

6 0
3 years ago
Charlotte is running at a race of 9 km/h.<br><br> What is Charlotte’s speed in m/s?
Novay_Z [31]

Answer:

9,000

Step-by-step explanation:

1 km=1,000

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7 0
4 years ago
A survey found that in a sample of 75 families, 26 owned dogs. A survey done 15 years ago found that in a sample of 60 families,
statuscvo [17]

The difference in the proportions of both surveys goes from a maximum of 12.57% to a minimum of 4.76%.

Given that a survey found that in a sample of 75 families, 26 owned dogs, while a survey done 15 years ago found that in a sample of 60 families, 26 owned dogs, to find the 95% confidence intervals of the true difference in the proportions, the following calculation must be performed:

  • 75 = 100
  • 26 = X
  • 26 x 100/75 = X
  • 34.66 = X
  • 34.66 x 0.95 = 32.93
  • 34.66 x 1.05 = 36.40
  • 60 = 100
  • 26 = X
  • 26 x 100/60 = X
  • 43.33 = X
  • 43.33 x 0.95 = 41.16
  • 43.33 x 1.05 = 45.50
  • 45.50 - 32.93 = 12.57
  • 41.16 - 36.40 = 4.76

Therefore, the difference in the proportions of both surveys goes from a maximum of 12.57% to a minimum of 4.76%.

Learn more about maths in brainly.com/question/25989509

8 0
2 years ago
Solve the inequality <br><br> 4x&lt;-12
Trava [24]
Divide 4 on each side
Answer: X<-3
5 0
3 years ago
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