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ladessa [460]
3 years ago
12

Evaluate the expression solve for y = 1 -11.8 + 33.4y

Mathematics
2 answers:
kow [346]3 years ago
8 0
21.6 :)))))))))))))))))
gladu [14]3 years ago
3 0
-11.8 + 33.4y
First turn y into 1
-11.8 + 33.4 (1)
Multiply 1 by 33.4
-11.8 + 33.4
Then add
21.6
Hope this helps!!
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you pour cement in a rectangular region of a square garage. The area of the rectangular region is 112 square feet. What is the a
Alex_Xolod [135]
Not enough info... Check the problem again.
5 0
3 years ago
When 2251 voters were polled, 52% said they were voting yes on an initiative measure. find the margin of error and an interval t
expeople1 [14]
The margin of error for a sample proportion is given by
z_{\alpha/2}\sqrt{ \frac{p(1-p)}{n} }
where: z_{\alpha/2} is the z score associated with the confidence level, p is the sample prortion and n is the sample size.
We assume a confidence level of 95%, then z_{\alpha/2}=1.96
p = 52% = 0.52 and n = 2251

Therefore, margin of error =
 z_{\alpha/2}\sqrt{ \frac{p(1-p)}{n} }= 1.96\times \sqrt{ \frac{0.52(1-0.52)}{2251} }  \\ = 1.96\times \sqrt{ \frac{0.52(0.48)}{2251} } = 1.96\times \sqrt{ \frac{0.2496}{2251} } \\  = 1.96\times \sqrt{0.000110884} =1.96\times 0.0105 \\ =0.0206=2.1\%

The the interval that is likely to contain the true population proportion is between 49.9% and 54.1%.
5 0
3 years ago
Nadia is a stockbroker. She earns 11% commission each week. Last week, she sold 7,200 worth of stocks. How much did she make las
elena55 [62]

Answer:

She made 792 dollars that week. I'm assuming it is just asking for the yearly commission she made. That would be 41,184 dollars a year.

Step-by-step explanation:

7200 x 0.11 = 792 Weekly

52 Weeks in a year

792 x 52 = 41184 Yearly (if that's what it's asking for)

6 0
3 years ago
Im in school and u..
labwork [276]

Answer:

Online school, it sucks.

4 0
3 years ago
Read 2 more answers
60/1 in a equivalent ratio
Elena-2011 [213]
60 /1 = 120 /2 = 180 /3

hope it helps
8 0
3 years ago
Read 2 more answers
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