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Alika [10]
3 years ago
15

2. (a) A random sample of 10 houses in a particular area, each of which is heated with

Mathematics
1 answer:
WARRIOR [948]3 years ago
6 0

Answer:

The resulting observations are 143, 122, 118, 99, 109, 86, 125, 142, 103, 138. Let ? denote the average gas usage during January by all houses in this area.

Step-by-step explanation:

hope i helped

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PLEASE HELP I ONLY HAVE 12 MINUTES!! The pendulum of the grandfather clock shown below swings at a maximum angle of 25 degrees.
Vaselesa [24]

Answer: T = 2π√(I/mgD)

Step-by-step explanation:

where:

m is the mass of the pendulum;

I is the moment of inertia of the mass; and

D is the distance from the center of mass to the point of suspension.

Determine the length of the pendulum. For example, it can be equal to 2 m.

Decide a value for the acceleration of gravity. We will use the Earthly figure of 9.80665 m/s², but feel free to check how the pendulum would behave on other planets.

Calculate the period of oscillations according to the formula above: T = 2π√(L/g) = 2π * √(2/9.80665) = 2.837 s.

Find the frequency as the reciprocal of the period: f = 1/T = 0.352 Hz.

You can also let this simple pendulum calculator perform all calculations for you!

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2 years ago
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A baseball field is being constructed. The builders noticed that the batters would have the sun in their eyes when batting from
Leona [35]

Answer:

A' =(-y,x)

Step-by-step explanation:

Given

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A = (x,y)

Required

Determine the new position of A, when rotated counterclockwise

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When a point is rotated counterclockwise, we start by switching the positions of x and y as follows:

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5 0
3 years ago
Find the measurement indicated in the parallelogram
sp2606 [1]

Answer:

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5 0
3 years ago
Searches related to Anita needs 5 pounds of bananas to make banana bread for a bake sale. Each pond of bananas cost 0.50. How ca
m_a_m_a [10]

Answer:

$2.5

Step-by-step explanation:

Number of pounds of banana needed = 5 pounds

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Now we can add the one decimal point (in the cost per pound) to our result

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4 0
3 years ago
Use the graph to determine the vertex point of the quadratic function. Is the vertex a
Feliz [49]

Answer:

B) Vertex (1,2), maximum

Step-by-step explanation:

First, determine if the graph has a maximum or a minimum value. Since the graph opens downwards, it has a <u>maximum</u> value.

The maximum is the point that has the greatest y value. We can see that the greatest y value is at y=2. Going down two units from that spot, we can see that the x value is at x=1. We can plug those into the vertex form, (x,y). By plugging in we get the point (1,2).

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