The local news is conducting a poll of the residents' opinions regarding a new traffic law that is being proposed. At the end of a news segment, viewers had the opportunity to dial in or use social media to choose whether they agree or disagree with the law. A large sample size was represented, and this poll was repeated again one week later with similar results. When working with this data, what best applies?
Options :
a. The surveys are biased because people chose to respond or not.
b. Because of the large sample size, the results are most accurate of all members of the community.
c. The same sampling methods were used for both polls, demonstrating reliability.
Answer:
a. The surveys are biased because people chose to respond or not
Step-by-step explanation:
When surveys incorporates a large number of people of a whole population, coupled with the fact that subjects of the survey or research are not compelled to make a choice or air their opinion. In the scenario above, opinion about the new policy is to be expressed by a large audience whereby there is a high tendency that some will no interest in the news nor its content. Leaving only those audience who are more interested and likely the most affected by the policy to respond. This way there will be no distinction between those who disagree and those who fail to respond. It would be more advisable to employ a sample audience who are interested and woykd give a verdict on the policy.
HELPPP WILL MARK BRAINLIEST!!!!!!!!!!!!
what is the miniumum value of y=x^2-4x+8
Answer:
2 is your answer lemme know if I'm right
Answer:
2
Step-by-step explanation:
The smallest value within that equation would be 2 since all of the other numbers are have more value than 2 does.
Cost of five lemons is $2.
What is the cost per lemon?
Answer: $
per lemon
Part B
At this rate, what is the cost of 9 lemons?
Answer:
Part a: $0.40 per lemon, Part b: $3.60
Step-by-step explanation:
Because the cost of five lemons is $2, it would be: 5 lemon = $2
$2/5 lemons = $x/1 lemon
so divide by 5 on the numerator and denominator. 2 divided by 5 = 0.4
So part a: 40 cents or $0.40 per lemon!
Part B:
cost of 1 lemon compared to 9 lemons:
$0.40/1 = x/9
Multiply both numerator and denominator by 9
So, it costs $3.60 for 9 lemons.
is 8.2 and 5.15 proportional
65% of 75 is equal to what number?
Answer:
48.75
i am sure
hope this helped you
I need the answer asap!!
Answer:
Step-by-step explanation:
x² × 2x² = 2x^4 (2x to the power of 4)
x² × -3x = -3x³
+3 × 2x² = 6x²
+3 × -3x = -9x
2x^4 , -3x³ , 6x², -9x
In bold are the bottom two
Darby bought a rare baseball card for $2,000. Three years later, the value of the card had increased 35% of its original value. By how much did the value of Darby’s baseball card increase?
$___
A tile is 4 inches long.
If 4 tiles are placed sided by side, what would be the approximate total length in centimeters? (1 in 2.54 cm)
A
10 cm
B
16 cm
с
32 cm
D
40 cm
Answer:
D 40
Step-by-step explanatio x 4=
Write the multiples for the
odd numbers between 1 and 10.
Answer:
3, 6, 9
Step-by-step explanation:
Simplify
√(32x^3 y^4 )
Answer:
4xy^2√2x
Step-by-step explanation:
Answer:
4xy²[tex]\sqrt{2x}[/tex]
Step-by-step explanation:
√32x³y^4 can be broken down to:
√4√4√2√x²√y²√y²√x which can be simplified to be:
4xy²√2x
Help me on question 5!!! Plsss
Answer:
The answer is C
Step-by-step explanation:
use an open circle for "less than" or "greater than"and a closed circle for "less than or equal to" or "greater than or equal to".
A student wrote and simplified an expression to find the perimeter of this 5 points
rectangular garden. The student made an error. Which step did the
student make the mistake? *
2x
5x + 1
Step 1: 5x + 1 + 5x + 1 + 2x + 2x
Step 2: 14x + 1 + 1
Step 3: 14x + 2
Step 4: 16x
Answer:
Step 4.
You can’t add 14x and 2
Which of these expressions are equivalent to 225 3/2? Select all that apply.
Answer:
C.
Step-by-step explanation:
it could also be written as (sqrt225)^3
C is correct because sqrt225 is equivalent to 225^1/2
using exponent rules, 3 mutiplies to the 1/2 making it 225^3/2
10 pontos
10 points
4. What is the area of the composite figure?
6 cm
9 cm
L
2 cm
10 cm
A. 58 cm
O B. 68 cm
C. 88 cm
D. 48 cm
Answer:
hope it helped have a good day mate
What is this image - +
Answer:
there is no image
Step-by-step explanation:
Please help me with this ᕕ( ᐛ )ᕗ thank you!
Answer:
B
Step-by-step explanation:
We can create the equation step-by-step:
Each row of bricks is 6.5cm and the number of row of bricks is r: 6.5r
Total of height of wall: = 259cm
Top row is 1cm shorter: -1cm
Combine all the terms together and we get: 6.5r - 1 = 259
Which means each row of bricks is 6.5cm but minus 1cm from the top to get 259cm the total :D
Which expression is equivalent to
14x-21
7
A. 2x - 21
B. 2x-3
c. 7x - 28
D. 7x - 14
Answer:
B. 2x-3
Step-by-step explanation:
14 and 21 have a common factor which is 7 so divide both by 7 to get 2x-3.
Answer:b
Step-by-step explanation: took the test
volume of a cylyinder witha heght of 2.3 and a base diameter of 15.2
A construction worker drops a hammer while building the Grand Canyon skywalk 4,000ft above the Colorado River. Use the formula t=h−−√4 to find how many seconds it takes for the hammer to reach the river. Round your answer to the nearest tenth of a second.
Answer:
15.8
Step-by-step explanation:
We are asked to find how many seconds it takes for an object to fall from a height of 4,000ft. We will use the given formula, t=h−−√4. Substituting h=4,000, we find
t=4000−−−−√4=15.8
So, the hammer reaches the river after 15.8 seconds.
Write a second inequality with the same meaning -12<= a
Answer:
a[tex]\geq[/tex]-12 or -48[tex]\leq[/tex]4a
Step-by-step explanation:
Plz help I’m stuck on this question
Answer:
the answer is C
Step-by-step explanation:
bhl
2
i hope it will help you
A pair of shoes costs $50. What is the total cost of the shoes after 7.25% tax is added? Round the tax to the nearest cent.
Answer:
Step-by-step explanation:
50(1+7.25/100)
50(107.25/100)
50(1.0725)
53.625
$53.63
841 rounded to the nearest 10th
The answer is 840.
I hope am right
An observer (O) spots a bird flying at a 42° angle from a line drawn horizontal to its nest. If the distance from the observer (O) to the bird (B) is 17,000 ft., how far is the bird (B) from its nest (N)? Round to the nearest whole number. (4 points)
A right triangle B N O is shown with angle B marked 42 degrees, side B N marked x and side B O marked 17000 feet.
a
11,375 feet
b
12,633 feet
c
14,862 feet
d
15,307 feet
Answer:
12,633 feet
Step-by-step explanation:
The horizontal distance between the observer and the bird's nest is
b. 12,633 feet
What are trigonometric ratios in terms of a right-angle triangle?We know a right-angled triangle has three sides they are -: Hypotenuse,
Opposite and Adjacent.
We can remember SOH CAH TOA which is,
sin = opposite/hypotenuse, cos = adjecen/hypotenuse and
tan = opposite/adjacent.
Given, An observer (O) spots a bird flying at a 42° angle from a line drawn horizontally to its nest.
The hypotenuse distance which is from the observer's eye to the bird's nest is 17000ft and we need the horizontal distance or the distance of the adjacent.
∴ , cos = adjecen/hypotenuse.
cos42° = adjacent/17000.
adjacent = 17000×cos42°.
adjacent = 17000×0.743.
adjacent = 12631 feet.
learn more about trig ratios here :
https://brainly.com/question/14977354
#SPJ2
The zoo charges $14.50 for each visit, or you can buy a membership for $100
Answer:
Step-I’m going to need more information
Answer:
ill rather buy the membership
Step-by-step explanation:
Because its less money for more times to go to the zoo.
PLEASE ANSWER QUICKLY I NEED AN ANSWER PLEASE ;0;
Answer:
infinitely many solution......
Jim needs to move his firewood from his truck to the woodpile in his house. He estimates that he will move 1/8 of the total wood in 45 minutes. Which unit rate can he use to help him plan how long it will take for him to move all the firewood?
Please explain how you got to answer
Calcula el área de los rombos.
Answer:
xbxbkzkdkdjd
Step-by-step explanation:
bz va yJnzz
a salesperson earns a commission of $476 for selling $3400 in merchandise. what is the commission rate?
Answer:
Step-by-step explanation:
$476/($3400) = 0.14 = 14%
Use the ratio table to solve the percent problem.
Part Whole
? | 75
40 | 100
What is 40% of 75?
Enter your answer in the box.
Answer:
9
Step-by-step explanation:
i dont know
if it right or wrong
Answer:
30
Step-by-step explanation:
I did the test i hope it helps brainlist plz :>
-lexi