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vampirchik [111]
3 years ago
13

Show your work on how u would get the answer ANSWER: 6x-2

Mathematics
1 answer:
dimaraw [331]3 years ago
7 0

Answer:

since I can't see the whole shape or what the question is asking for, I'm going to assume that the shape is a square and that the question is asking for the perimeter because that appears to be the only way to get 6x–2

2(x+2) + 2(2x-3)\\=(2x+4)+(4x-6)\\= 6x-2

Step-by-step explanation:

to get the answer 6x–2, you would have to multiply the base by 2 and the height by 2 and add them together.

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A population is estimated to have a standard deviation of 9. We want to estimate the population mean within 2, with a 99% level
cupoosta [38]

Answer:

The sample required is  n = 135

Step-by-step explanation:

From the question we are told that

     The  standard deviation is  \sigma = 9

      The margin of error is E =  2

     

Given that the confidence level is  99%  then the level of  significance is mathematically evaluated as

         \alpha =  100-99

        \alpha =  1 \%

        \alpha =  0.01

Next we will obtain the critical value  \frac{\alpha }{2} from the normal distribution table(reference  math dot armstrong dot edu) , the value is  

             Z_{\frac{\alpha }{2} } =  Z_{\frac{0.05 }{2} } =  2.58

The  sample size is mathematically represented as

          n = [ \frac{Z_{\frac{\alpha }{2} } *  \sigma }{E} ]^2

substituting values

           n = [ \frac{ 2.58 *  9 }{2} ]^2

            n = 135

3 0
3 years ago
(y4 – y3 + 2y2 + y – 1) ÷ (y3 + 1)
solmaris [256]

Answer:

y-1+ 2y^2/y^3+1

Step-by-step explanation:

3 0
3 years ago
A line with (5,6) and a slope of 2/15
BlackZzzverrR [31]
Slope, shmlope. What's the q?
4 0
4 years ago
X⁴-12x²+36 equals what
Harrizon [31]
Hello there!

From that amount of information, you can't get a numerical value for the answer.

Hope This Helps You!
Good Luck :)
6 0
3 years ago
Read 2 more answers
I need answers asap
trasher [3.6K]

Answer:

C. always true

Step-by-step explanation:

<1  and <4 from a straight line and a straight line is always 180 degrees so

6 0
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