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pickupchik [31]
4 years ago
12

The distance s (in feet) covered by a car t sec after starting is given by the following function. s = −t3 + 11t2 + 20t (0 ≤ t ≤

6) Find a general expression for the car's acceleration at any time t (0 ≤ t ≤ 6). s ''(t) = Correct: Your answer is correct. At what time t does the car begin to decelerate? (Round your answer to one decimal place.) t = sec
Mathematics
1 answer:
VladimirAG [237]4 years ago
6 0

8.94

Answer:

Step-by-step explanation:

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Assume that lines that appear to be tangent are tangent. O is the center of the circle. In degrees, what is the value of x?
Nastasia [14]

9514 1404 393

Answer:

  145

Step-by-step explanation:

In this geometry, the central angle (x°) and the external angle (35°) are supplementary.

  x° = 180° -35°

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4 0
3 years ago
What is the mean of the data set: {24, 31, 12, 38, 12, 15} A) 12<br> B) 22 <br> C) 24<br> D) 23.5
ddd [48]

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B

Step-by-step explanation:

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2 years ago
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What is the value of m in 3(2m-9+6m)=3m+29-7m<br> i got 1/10 but the choices are -3, 2, 5, and 120
kirill [66]
Hello,

3(2m-9+6m)=3m+29-7m
==>3(8m-9)=-4m+29
==>24m+4m=29+27
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==>m=2

Answer B


5 0
3 years ago
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How do you find the area of a circle that has a radius of 4
Lisa [10]

Work is provided in the image attached.

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David travels from Building A to Building B. He can either cycle
Lelechka [254]

Answer:

43 minutes

Step-by-step explanation:

  • <em>Let cycling speed be x and driving speed be y</em>

<u>Equations as per given, considering same distance in both cases:</u>

  • 19x + 8y = 13x + 10y
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We see that driving speed is 3 times greater than cycling speed

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3 0
4 years ago
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