Answer:
Double root / x = -3
Step-by-step explanation:
Answer:
Step-by-step explanation:
Set the equations equal to each other: 25x+45=15x+14
Solve for x: 10x = -31
Solve for x: x=-3.1
Plug the x value back into one of the equations to find the value of y:
y = 15 (-3.1) +14
y = -32.5
Answer:
The slope is -1/3 and the y intercept is 5/9
Step-by-step explanation:
To find the slope, we need to put the equation in the form y= mx+b
9y=-3x+5
We will divide by 9 to isolate y
9y/9=-3x/9+5/9
y = -1/3 x + 5/9
The slope is -1/3 and the y intercept is 5/9
Combine like terms
10/7k + 2/7k = 12/7k - 2k = 12/7k - 14/7k = -2/7k
11/7 + 2/7 - 6 = 13/7 - 42/7 = -29/7
-2/7k - 29/7 should be your answer
hope this helps
Answer:
0.180144 < p < 0.339856
Step-by-step explanation:
According to the Question,
- Given That, Out of 200 people sampled, 52 had kids, Thus the proportion of the mean is 52/200 = 0.26
⇒
standard error of the sample is square root(0.26 * (1-0.26) / 200) = 0.031
⇒alpha(a) = 1 - 99/100 = 0.01
⇒critical probability(p*) = 1 - a/2 = 0.995
⇒assuming a normal distribution, look for the z-score associated with 0.995 cumulative probability
, z-score = 2.576
⇒margin of error(ME) = 2.576 * 0.031 = 0.079856
-
the confidence interval is 0.26 + or - 0.079856
0.180144 < p < 0.339856
