All categories

3 years ago

(NOT A MULTIPLE CHOICE)

Mathematics

1 answer:

Vsevolod [243]3 years ago

8 0

9514 1404 393

Answer:

a, b, c --- all not representative

Step-by-step explanation:

The question posed by the engineer is "are residents of the city in favor of ...".

The only representative sample is one from a pool that includes all residents of the city—not just those who (a) use the road, (b) live along the road, or (c) own homes.

Additional comment

The engineer may want to refine the question. As posed, it would include children, homeless, and/or institutionalized residents of the city as well as drivers and tax-payers. In inclusive cultural traditions, "residents of the city" may also include animals, plants, water, air, and other holders of spiritual energy.

You might be interested in

Use Pythagorean theorem to find the missing length. (round to tenth if necessary) IS

sertanlavr [38]

11.7

Formula: a^2 + b^2 = c^2

so substitute the numbers like this:

10^2 + 6^2 = c^2

both 10^2 and 6^2 are perfect squares:

10 × 10= 100 and 6 × 6= 36

100 + 36= c^2

add:

100 + 36 =

136 = c^2

now in order to get rid of the squared, you put it into a radical:

√136 = √c^2

note: whatever you do on one side, you do to the other

it's easier to use the calculator for this so put √136 and you're gonna get 11.66

since it's asking you to round it to the nearest tenth:

11.66 = 11.7

sorry if the explanation is kinda long ✋ i tried explaining it better in the end but i failed

7 0

3 years ago

Which expression simplifies...

Zina [86]

Answer:

see below

Step-by-step explanation:

If suffices to look at the last term. It must simplify to 4/(3w²), so the exponents of z must match in numerator and denominator, and the ratio of constants must reduce to 4/3.

The exponents of z have the right values in choices B and D, but the ratio of constants only matches in choice D. Looking at the rest of choice D, we see that we can factor 6w²z² from both numerator and denominator, then factor 2 from the remaining numerator to make it match the desired form.

$\dfrac{(12w^2z^4-24w^2z^2)}{18w^4z^2}=\dfrac{6w^2z^2}{6w^2z^2}\cdot\dfrac{2z^2-4}{3w^2}=\dfrac{2(z^2-2)}{3w^2}$

3 0

3 years ago

This is your question please help me

svetlana [45]

Answer:

Yellow 0/25

Red 1/50

Blue 37/50

Step-by-step explanation:

hope this helps and learn well

6 0

2 years ago

it is known that a particular surgery has a 61% chance of being successful and caring a patient surgery is performed on five unr

Ganezh [65]

Answer:

about 3 of 5

Step-by-step explanation:

8 0

3 years ago

A football player ran the ball for 40 yards, 45 yards, 48 yards, 52 yards, and 105 yards. What is the outlier?

Vinil7 [7]

An outlier is a value that is much higher or much lower than the rest of the values in the data set.

The answer here is 105 because it is nearly double all other values.
65 is incorrect because it's not even a value in the data set.

6 0

4 years ago