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Mademuasel [1]
2 years ago
12

Hamden city’s police department needs to choose whether to build a new addition to the police station or to buy new squad cars.

Which sampling option might they choose to survey the community?
Mathematics
1 answer:
Romashka [77]2 years ago
8 0

Answer:

The sampling option Hamden city's police department needs to choose is to select a random sample of 10% of all taxpayers.

Since the Hamden city’s police department needs to choose whether to build a new addition to the police station or to buy new squad cars. And it needs money to choose any of these options. The money usually comes from the packets of taxpayers. Therefore, it would be appropriate to take a random sample of 10% of all taxpayers.


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5400 J of energy is supplied to 3 kg of aluminum, by how much
solmaris [256]

Answer:

20°C

Step-by-step explanation:

Quantity if heat energy supplied is expressed as;

Q = mcΔt

m is the mass = 3kg

Δt is the temperature rise

Q = 5400J

c = 900 J/kg °C

Substitute

5400 = 3(90)Δt

5400 = 270Δt

Δt = 5400/270

Δt = 20°C

Hence the temperature rise is 20°C

3 0
2 years ago
A building has eight levels above ground and one level below ground. The height of each level from floor to ceiling is 14 1/2 fe
vovangra [49]
The net change in elevation is 72.5 feet
6 0
2 years ago
Read 2 more answers
Which of the following functions shown in the table below is not an exponential function?
kramer

Answer:

B. f(x)

D. h(x)

Step-by-step explanation:

An exponential function will have a common ratio.

We check and see if the consecutive terms has a common ratio.

For f(x),

\frac{5}{2}  \ne \frac{10}{5}

This is not an exponential sequence.

For g(x), we have:

\frac{2}{1}  =  \frac{4}{2}  =  \frac{8}{4}  = 2

For h(x),

\frac{1.25}{1}  \ne \frac{1.5}{1.25}

This is not an exponential sequence

For k(x),

\frac{16}{64}  =  \frac{4}{16}  =  \frac{1}{4}  =  \frac{0.25}{1}

6 0
2 years ago
The Wright Flyer was the first successful powered aircraft. A model was made to display in a museum with the length of 35 cm and
astra-53 [7]

<span>To link the displayed Wright flyer in the museum with the actual plane, we have to calculate for the relation of the corresponding parameter. In this problem, for both the display and the actual plane, we are given with the length. Computing for the ratio gives us,</span>

<span>
    ratio = length of the model / length of the actual plane

Length of the model = 35 cm</span>

<span>
We need to calculate for the length of the model in ft.</span>

<span>
length of the model = (35 cm)(1 in/2.54 cm)(1 ft/12 in)
length of the model = 1.148 ft

</span>

<span>
</span>

<span>Going back to the calculation for the ratio,
ratio = (1.148 ft)/21 ft
ratio = 0.055

Therefore, the measurements used in the model is equal to 0.055 times the actual dimensions.

Error may occur because of the number of significant figures measured for rounding up or down of the answers after each calculation. </span>

8 0
2 years ago
Function Representations
viktelen [127]

Answer:

See joint picture.

Step-by-step explanation:

The study lasts 6 days. Since the amount of plant food decreased an equal amount each day, and since the whole 72 millimeters were used, it means that plants consumed 72/6 = 12 millimeters daily.

All the results given come from this justification.

7 0
2 years ago
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