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andre [41]
3 years ago
11

Which of the following is an action aimed at dealing with urban sprawl?

Advanced Placement (AP)
1 answer:
PolarNik [594]3 years ago
4 0
A is the answer to the question and b is the answer to the second
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What type of elements should be on a website to make it enjoyable to the reader
stiks02 [169]
Words, pictures, video, articles, different ways to enjoy oneself
4 0
3 years ago
The half-life of carbon-14 is about 5700 years. If you left those 100 carbon-14 atoms to sit around for 5700 years, how many wou
katovenus [111]

Answer:

50 atoms of carbon-14

Explanation:

From the question given above, the following data were obtained:

Original amount (N₀) = 100 atoms

Half-life (t½) = 5700 years

Time (t) = 5700 years

Amount that decay =?

Next, we shall determine the number of half-lives that has elapse. This can be obtained illustrated below:

Half-life (t½) = 5700 years

Time (t) = 5700 years

Number of half-lives (n) =?

n = t / t½

n = 5700 / 5700

n = 1

Next, we shall determine the amount remaining. This can be obtained as follow:

Original amount (N₀) = 100 atoms

Number of half-lives (n) = 1

Amount remaining (N) =?

N = 1/2ⁿ × N₀

N = 1/2¹ × 100

N = 1/2 × 100

N = 50 atoms

Finally, we shall determine the amount that decayed as follow:

Original amount (N₀) = 100 atoms

Amount remaining (N) = 50 atoms

Amount that decay =?

Amount that decay = N₀ – N

Amount that decay = 100 – 50

Amount that decay = 50 atoms

Therefore, 50 atoms of carbon-14 have decayed during the time.

8 0
2 years ago
Solve the following systems of 3-variable linear equations.​
Zina [86]

Answer:

x = 9/25, y = 7/25, z = 4/25

Explanation:

step 1: solve for y in first equation to use substitution

y = -2x + 1

step 2: insert into second equation to eliminate y variable and work with two variables

3(-2x+1) + z = 1 (now distribute)

-6x + 3 + z = 1 (bring over the -3)

-6x + z = -2

step 3: now left with -6x + z = -2 and x + 4z = 1, so eliminate z

-6x + z = -2 (multiply by 4)

4(-6x + z = -2)

-24x + 4z = -8

-

x + 4z = 1 (brought down third equation)

-25x = -9

x = 9/25

then just plug in x into the third equation to solve for z, followed by plugging it into the first equation to solve for y. you should end with y = 7/25 and z = 4/25

6 0
3 years ago
May pag unlad naba ang pilipinas?
scoray [572]

Answer:

Yes.

Explanation:

Yes, there is a great development occur in the Philippines. The Philippine's economy has made progress in the growth which can be seen in the lowering occurs in the poverty rate and unemployment rate in the country. There is a significant decrease in the poverty rate in the country due to investment of foreign companies in the Philippines in the sector of tourism and other industries which decreases the unemployment rate in the country that leads to decrease poverty rate also.

8 0
3 years ago
What is the intended purpose of 230 regulations?
cupoosta [38]

Answer:

they would create energry HLADF

Explanation:

7 0
3 years ago
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