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dexar [7]
3 years ago
8

A wheel with a diameter of 21 inches is rolling on a farm. After 100 revolutions, approximately how many inches has the wheel tr

aveled? Use 22/7 for pi
Mathematics
2 answers:
makvit [3.9K]3 years ago
6 0

Answer:69420

Step-by-step explanation:

if you go 21 inches down a 100 inch slope you will be 79 inches

Igoryamba3 years ago
3 0
It’s 69420...........................
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What are the slope and the y-intercept of the graph of the linear function shown on the grid?
OverLord2011 [107]

Answer:

it looks like you already have the answer but the answer would be slope as -1/3 and y intercept as -6

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2 years ago
Plz help it’s due tonight!!!
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Answer:

48

Step-by-step explanation:

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Pleas help me find the answer and show the work to this question
lions [1.4K]

Answer:

Leg\ 1 = 8

Leg\ 2 = 15

Step-by-step explanation:

Given: See Attachment

Required

Determine the length of the legs

To do this, we apply Pythagoras theorem.

Hyp^2 = Adj^2 + Opp^2

In this case:

17^2 = x^2 + (2x- 1)^2

Open Bracket

17^2 = x^2 + 4x^2- 2x-2x + 1

17^2 = 5x^2 - 4x + 1

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Collect Like Terms

5x^2 - 4x + 1 - 289 = 0

5x^2 - 4x - 288 = 0

Solving using quadratic formula:

x = \frac{-b\±\sqrt{b^2 - 4ac}}{2a}

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x = 8 or x = -7.2

Since, x can't be negative, then:

x = 8

One of the leg is:

Leg\ 1 = x

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Leg\ 2 = 2*8 - 1

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6 0
2 years ago
An urban planner is researching commute times in the San Francisco Bay Area to find out if commute times have increased. In whic
Mademuasel [1]

Answer:

Step-by-step explanation:

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And the Alternate Hypoyhesis will be   H, :μ> 45 )

C. The urban planner asks a random Sample of 100 commuters in the San Francisco Bay Area to record travel times on a Tuesday morning. One year later, the urban planner asks the same 100 commuters to record travel times on a tuesday morning . The urban planner will see the difference in commute time shows an increase.

Here in this case the null hypothesis will be, H₀ : \mu _d = 0

And the Alternate Hypothesis will be   H, : \mu _d <0 The commute time after 1 year is more

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