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Pie
2 years ago
10

A political adviser stood at the corner of 1st Avenue and Main Street and asked every 10th person who walked past if they intend

ed to vote in the next election. Identify the sampling method used.
stratified
convenience
voluntary-response
systematic

Mathematics
1 answer:
krok68 [10]2 years ago
8 0

Answer:

Voluntary response

Step-by-step explanation:

Because the politival adviser deliberately chosen a reaction to a stimulus that may require a complex coordination of excitatory and inhibitory impulses with feedback from visual, motor, and other systems.

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Answer:

Pickup trucks 1/4 = 25%

25% of 64 cars = 16 Pickup trucks

Leaving us with 48 cars left.

"twice as many cars as there are SUVs."

32 = cars

16 = SUVs

3 0
3 years ago
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Doreen bought a cell phone for x dollars. One year later the value of the phone was 0.75x. Which expression is another way to de
OLEGan [10]

3/4x

0.75=75/100     =3/4

   75:25=3

100:25=4

6 0
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Ryan spent 24 months living in San Diego.
sertanlavr [38]

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nothing

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nothing

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An isosceles triangle has a perimeter of 33 cm. The unequal side has a length 3 cm more than the equal side. Find the length of
grigory [225]

Answer:

let equal side=x

unequal side=x+3

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6 0
3 years ago
Find the value of x such that 365 based seven + 43 based x = 217 based 10.
Pepsi [2]

We need to find the base x in the following equation:

365_7+43_x=217_{10}

First, lets convert 365 from base 7 to base 10. This is given by

365_7=3\times7^2+6\times7^1+5\times7^0

where the upperindex denotes the position of eah number. This gives

\begin{gathered} 365_7=3\times49+6\times7+5\times1 \\ 365_7=147+42+5 \\ 365_7=194_{10} \end{gathered}

that is, 365 based 7 is equal to 194 bases 10.

Now, lets do the same for 43 based x. Lets convert 43 based x to base 10:

43_x=4\times x^1+3\times x^0

where again, the superindex 0 and 1 denote the position 0 and 1 in the number 43. This gives

43_x=(4x+3)_{10}

Now, we have all number in base 10. Then, our first equation can be written in base 10 as

194_{10}+(4x+3)_{10}=217_{10}

For simplicity, we can omit the 10 and get

194+4x+3=217

so, we can solve this equation for x. By combining similar terms. we have

197+4x=217

and by moving 197 to the right hand side, we obtain

\begin{gathered} 4x=217-197 \\ 4x=20 \end{gathered}

Finally, we get

\begin{gathered} x=\frac{20}{4} \\ x=5 \end{gathered}

Therefore, the solution is x=5

8 0
1 year ago
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