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3 years ago

Which situation below resulted from the heavy irrigation of the Aral Sea?

Advanced Placement (AP)

1 answer:

FrozenT [24]3 years ago

6 0

Answer:

Salinization causing the soil to be of poor quality for growing cotton

Explanation:

I took the test and got it right!

The Irrigation caused the land to increase in salinization, which cotton could not grow well in. Farmers had to switch from growing cotton to growing rice because of this.

(My last answer got taken down. I checked the guidelines, I had no clue you're not allowed to cite sources. Brainly if you're reading this, that makes no sense lol. How can someone verify your answer if you don't cite your sources on how you got the answer)

Hope this helps mate :)

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Explain in detail, how you solved the following problem: The first two terms of a sequence are 10 and 20. If each term after the

KIM [24]

Answer:

$T_{2020} = 15$

Explanation:

Given

$T_1 = 10$

$T_2 = 20$

Each term after the second term is the average of all of the preceding terms

Required:

Explain how to solve the 2020th term

Solve the 2020th term

Solving the 2020th term of a sequence using conventional method may be a little bit difficult but in questions like this, it's not.

The very first thing to do is to solve for the third term;

The value of the third term is the value of every other term after the second term of the sequence; So, what I'll do is that I'll assign the value of the third term to the 2020th term

This is proved as follows;

From the question, we have that "..... each term after the second term is the average of all of the preceding terms", in other words the MEAN

$T_{n} = \frac{\sum T{k}}{n-1} ; where: k = 1 .... n -1$

Assume n = 3

$T_{3} = \frac{T_1 + T_2}{2}$

Multiply both sides by 2

$2 * T_{3} = \frac{T_1 + T_2}{2} * 2$

$2T_{3} = T_1 + T_2$

Assume n = 4

$T_{4} = \frac{T_1 + T_2 + T_3}{3}$

$T_{4} = \frac{(T_1 + T_2) + T_3}{3}$

Substitute $2T_{3} = T_1 + T_2$

$T_{4} = \frac{2T_3 + T_3}{3}$

$T_{4} = \frac{3T_3}{3}$

$T_{4} = T_3$

Assume n = 5

$T_{5} = \frac{T_1 + T_2 + T_3 +T_4}{4}$

$T_{5} = \frac{(T_1 + T_2) + T_3 +(T_4)}{4}$

Substitute $2T_{3} = T_1 + T_2$ and $T_{4} = T_3$

$T_{5} = \frac{2T_3 + T_3 +T_3}{4}$

$T_{5} = \frac{4T_3}{4}$

$T_{5} = \frac{(5-1)T_3}{5-1}$

Replace 5 with n

$T_{n} = \frac{(n-1)T_3}{n-1}$

(n-1) will definitely cancel out (n-1); So, we're left with

$T_{n} = T_3$

Hence,

$T_{2020} = T_3$

Calculating $T_3$

$T_{3} = \frac{10 + 20}{2}$

$T_{3} = \frac{30}{2}$

$T_{3} = 15$

Recall that $T_{2020} = T_3$

$T_{2020} = 15$

3 0

3 years ago

You weigh 175 lb on earth. When you reach alderon, you discover that its gravity is 1. 75 that of earth. What is your weight on

lozanna [386]

Answer:

1,362.2 N

Explanation:

1. Find what you have and what you need.

Weight = 175lb 1lb= 4.448N Gravity of Alderon to Earth 1.75:1 Weight on Alderon in N?

2. Convert the units from lb to N and then muliply by 1.23.

$175*4.448*1.75$ = 1,362.2 N

5 0

2 years ago

Dual enrollment courses offer:

alexdok [17]

Answer is B

Hope that helped ^^

5 0

3 years ago

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The opposite of liberty is ___________.

Katen [24]

One antonym is Tyranny.

Hope this helped :)

3 0

3 years ago

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Read the following excerpt from “Rappaccini’s Daughter” by Nathaniel Hawthorne and answer the question that follows.

gogolik [260]

Answer:

Hawthorne uses figurative language expertly throughout the story, “Beatrice darted forward, uttering a shriek that went through his heart like a dagger” (407).

Explanation:

The Modern Language Association (MLA) format for parenthetical citation holds that in-text citations must bear the page number as well as the direct quote from the author. These details are to be contained within the sentence before the final full stop at the end of the sentence. The last options meets this criteria, for it,

1. Has an introduction stating what the author did that is to be quoted.

2. Contains a direct quotation.

3. Has the page number inserted within the sentence.

8 0

3 years ago

Read 2 more answers