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Anna007 [38]
3 years ago
10

Correct answer gets brainliest and full ratings.

Mathematics
1 answer:
Verizon [17]3 years ago
3 0
-3x + 8y = -24

8y = 3x - 24

y = (3/8) x - 3

so 3/8 is the slope and  y-intercept = -3

its A
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HELP PLEASE!!!!!!!!!!!!!!!!!​
GalinKa [24]

Answer:

a

Step-by-step explanation:

on x line it = 3 and there is no slope/no steep hill yk

7 0
3 years ago
Read 2 more answers
Tell which property the statement x+14=14+x illustrates.
Naddik [55]

Answer:associative property of addition

Step-by-step explanation:The associative property of addition says that changing the grouping of the addends does not change the sum.

8 0
2 years ago
A survey was conducted that asked 1003 people how many books they had read in the past year. Results indicated that x overbar eq
Sergio [31]

Answer:

The 99% confidence interval would be given (11.448;14.152).

Step-by-step explanation:

1) Important concepts and notation

A confidence interval for a mean "gives us a range of plausible values for the population mean. If a confidence interval does not include a particular value, we can say that it is not likely that the particular value is the true population mean"

s=16.6 represent the sample deviation

\bar X=12.8 represent the sample mean

n =1003 is the sample size selected

Confidence =99% or 0.99

\alpha=1-0.99=0.01 represent the significance level.

2) Solution to the problem

The confidence interval for the mean would be given by this formula

\bar X \pm z_{\alpha/2} \frac{s}{\sqrt{n}}

We can use a z quantile instead of t since the sample size is large enough.

For the 99% confidence interval the value of \alpha=1-0.99=0.01 and \alpha/2=0.005, with that value we can find the quantile required for the interval in the normal standard distribution.

z_{\alpha/2}=2.58

And replacing into the confidence interval formula we got:

12.8 - 2.58 \frac{16.6}{\sqrt{1003}}=11.448

12.8 + 2.58 \frac{16.6}{\sqrt{1003}} =14.152

And the 99% confidence interval would be given (11.448;14.152).

We are confident that about 11 to 14 are the number of books that the people had read on the last year on average, at 1% of significance.

3 0
3 years ago
A farmer has a rectangular garden plot surrounded by 200 ft of fence. find the length and width of the garden if its area is 210
Dennis_Churaev [7]
If the perimeter is 200 ft and the area is 2100 square feet...

P = 2l + 2w
A = l * w

The dimensions would be 30 ft by 70 ft.
3 0
3 years ago
18.
chubhunter [2.5K]
A bakers dozen is 12 which would be $0.41 for each cookie. If you meant 13, it would be $0.38. All you have to do is divide 4.94 by the amount of cookies
7 0
3 years ago
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