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Aliun [14]
3 years ago
6

What is the solution to the equation 4x - 6 = 22

Mathematics
1 answer:
alexandr402 [8]3 years ago
3 0

x=7 because if  you replace x with 7 then 4 times 7 is 28 and 28 minus 6 is 22

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A local board of education conducted a survey of residents in the community concerning a property tax levy on the coming local b
IrinaK [193]

Answer:

a. [ 0.454,0.51]

b. 599.472 ~ 600

Step-by-step explanation:

a)

Confidence Interval For Proportion

CI = p ± Z a/2 Sqrt(p*(1-p)/n)))

x = Mean

n = Sample Size

a = 1 - (Confidence Level/100)

Za/2 = Z-table value

CI = Confidence Interval

Mean(x)=410

Sample Size(n)=850

Sample proportion = x/n =0.482

Confidence Interval = [ 0.482 ±Z a/2 ( Sqrt ( 0.482*0.518) /850)]

= [ 0.482 - 1.645* Sqrt(0) , 0.482 + 1.65* Sqrt(0) ]

= [ 0.454,0.51]

b)

Compute Sample Size ( n ) = n=(Z/E)^2*p*(1-p)

Z a/2 at 0.05 is = 1.96

Samle Proportion = 0.482

ME = 0.04

n = ( 1.96 / 0.04 )^2 * 0.482*0.518

= 599.472 ~ 600

8 0
3 years ago
URGERNT HELP PLEASE!!?
timofeeve [1]

    Four order pairs are ( 2, 5 ), ( 4, 8 ), ( 6, 11 ), ( 0, 2). All those I cited are whole numbers so that should help plot them, and from there get a ruler or straight edge and align all the dots to create the line for the equation. The equation you gave was the standard form which was created out of the formula to find a equation it's y = mx + b, there could be small variations made. How I know it's proportional is because all linear equations are. But if that's not enough I also know since there's a ratio or pattern that it follows and doesn't stray from. In more depth, porportional relationship is a ratio between y and x which is the same thing everytime shown if simplified.  

7 0
3 years ago
How many times does 8 go into 33?
nadya68 [22]

Answer:

4 times

Step-by-step explanation:

How many times does 8 go into 33?

Divide

33/8

4.125

Ignore the decimal because it is not a whole number

4

4 times

Hope this helps :)

8 0
3 years ago
A star track runner ran 315 feet in nine seconds. What was his average speed in feet per second?
Burka [1]
315 / 9 = 35
35 feet per second
3 0
3 years ago
Please help me out on this​
belka [17]
I have no idea hdhdhhdjdjd
8 0
3 years ago
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