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3 years ago

PLEASE HELP WITH THIS!

Mathematics

2 answers:

natulia [17]3 years ago

6 0

Answer:

Step-by-step explanation:

Kisachek [45]3 years ago

3 0

Answer:

The answer would be (A.)

Step-by-step explanation:

Can you answer my question that i just posted please and thank you :)

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A researcher planning a survey of heads of households in New York has census lists for each of the 62 counties in the state. The

wel

Answer: A. It is more susceptible to bias than would be a simple random sample.

hope this helps

3 0

3 years ago

How do you solve the following equation: 5-(2x-3)=-8+2x

kirza4 [7]

I believe it would be done like this:
subtract 2x-8 from both sides. then use cubric formula.
answer should be x= 1.688242

4 0

4 years ago

Evaluate the expression for the given values.<br> 12x+5y/3z, where x + 1/2, y = 6 and z = 3

Semmy [17]

Answer:

Step-by-step explanation:

Substitute: $\frac{\frac{12}{2} +5*6}{3*3}$

Cross out the common factor: $\frac{6+5*6}{3*3}$

Calculate the product or quotient: $\frac{6 +30}{3*3}$

Calculate the product or quotient: $\frac{6+30}{9}$

Calculate the sum or difference: $\frac{36}{9}$

Cross out the common factor: $4$

Answer: $4$

6 0

3 years ago

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Nitella [24]

Answer:

Step-by-step explanation:

6 0

3 years ago

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Write the polar form of a complex number in standard form for <img src="https://tex.z-dn.net/?f=8%5Bcos%28%5Cfrac%7B%5Cpi%7D%7B2

laila [671]

Answer:

Solution : 8i

Step-by-step explanation:

We can use the trivial identities cos(π / 2) = 0, and sin(π / 2) = 1 to solve this problem. Let's substitute,

$8\left[cos\left(\frac{\pi }{2}\right)+isin\left(\frac{\pi \:}{2}\right)\right]$ = $8\left(0+1i\right)$

And of course 1i = i, so we have the expression 8(0 + i ). Distributing the " 8, " 8( 0 ) = 0, and 8(i) = 8i, making the fourth answer the correct solution.

7 0

3 years ago