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viva [34]
2 years ago
6

[7.07] Choose the correct product of (6x + 2)2.

Mathematics
2 answers:
Leto [7]2 years ago
7 0

Answer:

36x2 + 24x + 4

Archy [21]2 years ago
4 0
The correct product of (6x+2)2 = 36x2 + 24x + 4
This is how to get this:
The equation is (a+b)2 = (a+b) (a+b). So, when you apply this to your equation, you get this:
(6x+2)2 = (6x+2) (6x+2) = 36x2 + 12x + 12x + 4 = 36x2 + 24x + 4
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Step-by-step explanation:

3 0
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777dan777 [17]

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33π

Step-by-step explanation:

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6 0
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A television sports commentator wants to estimate the proportion of citizens who​ "follow professional​ football." ​
Angelina_Jolie [31]

Answer: a)2206  b) 2209

Step-by-step explanation:

Formula to find the sample size :

a) If prior population proportion (p) is known.

n=p(1-p)(\dfrac{z_{c}}{E})^2

b) If prior population proportion (p) is unknown.

n=0.25(\dfrac{z_{c}}{E})^2

where, {z_{c} is the z-value associated with confidence level and E would be the margin of error .

Solution : Let p be the proportion of citizens who​ "follow professional​ football."

a) Given : p=0.48

Margin of error : E= 0.02

z-value for 94% confidence = z_c=1.88

Required sample size would be :

n=p(1-p)(\dfrac{z_{c}}{E})^2

\Rightarrow\ n=0.48(1-0.48)(\dfrac{1.88}{0.02})^2

Simply ,

n=2205.4656\approx2206  [Rounded to the next whole number.]

∴ The sample size is <u>2206</u>.

b) Proportion of citizens who​ "follow professional​ football" is unknown.

Margin of error : E= 0.02

z-value for 94% confidence = z_c=1.88

Required sample size would be :

n=0.25(\dfrac{z_{c}}{E})^2

\Rightarrow\ n=0.25(\dfrac{1.88}{0.02})^2

Simply ,

n=2209  

∴ The sample size is <u>2209</u>.

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3 years ago
To change pounds and ounces to ounces,multiply the pounds by blank. and blank. The ounces? What are the blanks
OverLord2011 [107]
1 pound equals 16 ounces
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2 years ago
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