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emmasim [6.3K]
4 years ago
7

Which is not true about the random sample method?

Mathematics
1 answer:
USPshnik [31]4 years ago
6 0

B. The sample is likely to represent one portion of the population.

This is impossible to say because it's random.

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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
3 years ago
60.3 60.44 witch one is greater
Sindrei [870]
60.44 is greater than 60.3
-you can see this when you subtract 60.3 from 60.44 this would leave a 0.11 which is a positive number.
-thus meaning 60.44 is larger/greater.
4 0
3 years ago
Rewrite without paraentheses and simply <br> (Y-2)^2
german

show how to simply that

(y-2)^2

(y-2)(y-2)

Y^2-2y-2y+4

y^2-4y+4

the answer was y^2-4y+4

hope that helps you!!!!

6 0
3 years ago
Find the length of side x in simplest radical form with a rational denominator.
madreJ [45]

Answer:

x=2√5

Step-by-step explanation:

<u>1st method:</u>

sin(30)=opposite/hypotenuse=√5/x

sin(30)x=√5

x=√5/sin(30)

x=2√5

<u>2nd method:</u>

cos(60)=adjacent/hypotenuse=√5/x

cos(60)x=√5

x=√5/cos(60)

x=2√5

<u>3rd method:</u>

This is a 30-60-90 triangle, so we can multiply the short side, √5, by 2, to get x=2√5

8 0
3 years ago
On a 1:5 scale drawing of a car one part is 8 inches how long will the actual car part be
lina2011 [118]
40, because if the ratio is 1:5 then we can times 8 by 5 to get 40 (I think :P)
5 0
3 years ago
Read 2 more answers
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