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Romashka [77]
3 years ago
15

Multiply (x-2)(3x+4) using distributive property

Mathematics
2 answers:
joja [24]3 years ago
6 0

Answer:

(x-2)(3x) + (x-2)(4)

Letter A. for the apex quiz


Oksanka [162]3 years ago
3 0

3x {}^2 - 2x - 8
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Elena L [17]
Jesse got that as an answer because he only multiples 2X to 2 and not to 8.
4 0
2 years ago
Solve the system of equations by graphing on your own paper. Write the
Verdich [7]

Answer:

(9, -1)

Step-by-step explanation:

7 0
3 years ago
A survey of 865 voters in one state reveals that 408 favor approval of an issue before the legislature. Construct the 95% confid
katrin [286]

Answer:

The 95% confidence interval for the true proportion of all voters in the state who favor approval is (0.4384, 0.5050).

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}.

For this problem, we have that:

n = 865, \pi = \frac{408}{865} = 0.4717

95% confidence level

So \alpha = 0.05, z is the value of Z that has a pvalue of 1 - \frac{0.05}{2} = 0.975, so Z = 1.96.

The lower limit of this interval is:

\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.4717 - 1.96\sqrt{\frac{0.4717*0.5283}{865}} = 0.4384

The upper limit of this interval is:

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.4717 + 1.96\sqrt{\frac{0.4717*0.5283}{865}} = 0.5050

The 95% confidence interval for the true proportion of all voters in the state who favor approval is (0.4384, 0.5050).

6 0
3 years ago
What’s equivalent to 3/10
never [62]
0.3 or 30% is the same as 3/10
7 0
3 years ago
Read 2 more answers
What is the equation of the line that passes through the point (-8,5) and has a slope of -1/4​
tresset_1 [31]

Answer:

y=\frac{-1}{4} x+3\\

Step-by-step explanation:

(y-5)=\frac{-1}{4} (x--8)\\(y-5)=\frac{-1}{4} (x+8)\\y=\frac{-1}{4} x-\frac{8}{4}+5 \\y=\frac{-1}{4} x-2+5\\y=\frac{-1}{4} x+3\\

5 0
3 years ago
Read 2 more answers
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