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3 years ago

10

Please help and NO LINKS

2 answers:

klio [65]3 years ago

8 0

Answer:

Everybody else says stratified sampling

Step-by-step explanation:

Aliun [14]3 years ago

5 0

Answer:

<em><u>Please help and NO LINKS</u></em>

<em><u>Please help and NO LINKSTo conduct a survey about the type of phone service most people in Greenville prefer, 10 different blocks in the neighborhood are chosen. On these 10 blocks, 10 houses are selected at random, and then one resident of each of those houses is interviewed. This type of sampling method is</u></em><em><u>(</u></em><em><u>A</u></em><em><u>)</u></em>

Step-by-step explanation:

<em><u>(</u></em><em><u>I</u></em><em><u> </u></em><em><u>hope</u></em><em><u> </u></em><em><u>this</u></em><em><u> </u></em><em><u>helps</u></em><em><u>)</u></em><em><u>(</u></em><em><u>BRAINLEIST</u></em><em><u> </u></em><em><u>PLEASE</u></em><em><u>)</u></em><em><u>❤</u></em><em><u>☺️</u></em><em><u>☻</u></em><em><u>♨️</u></em>

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dedylja [7]

The answer is D. $270.00.
To find this answer, you divide 37.80 by 14%.

6 0

4 years ago

Please help me do it

Lana71 [14]

Step-by-step Explanation:

We are going to solve this problem using integration by parts. We can write the integrand as

$\dfrac{4x}{x^2+4x+3} = \dfrac{4x}{(x+3)(x+1)}$

$\:\:\:\:\:\:\:\:\:\:\:\:\:= \dfrac{A}{x+3} + \dfrac{B}{x+1}$

$\:\:\:\:\:\:\:\:\:\:\:\:\:= \dfrac{Ax + A + Bx + 3B}{x^2+4x+3}$

$\:\:\:\:\:\:\:\:\:\:\:\:\:=\dfrac{(A+B)x + (A+3B)}{x^2+4x+3}$

Comparing the above term to the left hand side, we can see that

(A + B)x = 4x

A + 3B = 0

Solving for A and B, we find that A = 6 and B = -2 so our integrand becomes

$\dfrac{4x}{x^2+4x+3} = \dfrac{6}{x+3} - \dfrac{2}{x+1}$

We can now easily integrate this expression as follows:

$\displaystyle \int{\dfrac{4x}{x^2+4x+3}}dx = 6\int{\dfrac{dx}{x+3}} - 2\int{\dfrac{dx}{x+1}}$

$\:\:\:\:\:\:\:\:\:\:\:\:\:= 6\ln|x+3| - 2\ln|x+1| + C$

7 0

2 years ago

Help pleaseeeeeeeeee i dont know what else to write i just need 20 characters

Dmitrij [34]

Answer:

the answer is...

Step-by-step explanation:

4 0

4 years ago

Find the 50th term of the following arithmetic sequence.<br> 3, 9, 15, 21,

ICE Princess25 [194]

<h2>Answer: 297</h2>

<h3>Step-by-step explanation:</h3>

Based on the 4 terms given in the sequence, we can determine the rule to be: 6n - 3

1s term: 6(1) - 3 = 3

2nd: 6(2) - 3 = 9

3rd: 6(3) - 3 = 15

4th: 6(4) - 3 = 21

<h3> ∴ 50th term = 6(50) - 3 = 297</h3>

5 0

3 years ago

Find the diameter of a circle with an area of 676π square centimeters.

Alex_Xolod [135]

$A = \pi r^2 \\
676\pi = \pi r^2 \\
r = \sqrt{676} = 26$

Therefore, the diameter is twice of that:
52 centimeters.

8 0

3 years ago