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zubka84 [21]
3 years ago
5

Qwertyuiopasdfghjklzxcvbnm y=2x+3 in point slope form? please and thank you

Mathematics
1 answer:
Nadusha1986 [10]3 years ago
8 0

Answer: y-5=2(x-1)

Step-by-step explanation:

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chris wants to put up a fence around his sqaure garden the garden measures 3 feet on each side .how much fencing matirial does h
RoseWind [281]

3 x 4 = 12 feet of fencing

6 0
3 years ago
A simple random sample of months of sales data provided the following information: Month Units Sold a. Develop a point estimate
Gnom [1K]

Answer:

a) X[bar]=93

b)S=5.39

Step-by-step explanation:

Hello!

<em>A simple random sample of 5 months of sales data provided the following information: Month: 1 2 3 4 5 Units Sold: 94 100 85 94 92 </em>

<em />

<em>a. Develop a point estimate of the population mean number of units sold per month. </em>

The variable of interest is:

X: Number of sales per month.

A random sample of n=5 months was taken, for each month, the number of units sold was recorded. To calculate the mean of the sample you have to add all the observed frequencies (Units Sold) by the sample size (n)

X[bar]= ∑X/n= 465/5=93

You can say that, on average, 93 units were sold over the 5-month period.

<em>b. Develop a point estimate of the population standard deviation.</em>

To calculate the sample standard deviation you have to calculate the variance and then its square root:

S^2= \frac{1}{n-1}[sumX^2-\frac{(sumX)^2}{n} ]

∑X= 465

∑X²= 43361

S^2= \frac{1}{4}[43361-\frac{(465)^2}{5} ]= 29

S= √29= 5.385≅ 5.39

I hope this helps!

3 0
3 years ago
Please help me I dont get this :( number 4
jonny [76]
[x = amount earning 6% annually.]
(8000-x) = amount earning 15% annually
Then we set up our equation which is a sum of the 15% return and the 6% return and we let that sum equal our desired return on investment ($930). Then solve for x.
(8000-x)*.15 + x*.06 = 930
1200 - .15x + .06x = 930
.09x = 270
x = 3000.
Therefore, you should invest $3000 at 6% and $5000 at 15% to earn $930 annually.
4 0
3 years ago
Is the answer I have chosen correct? if not can someone plz give me the right answer with an explanation?
Karolina [17]

I think it’s too late

3 0
3 years ago
Jasmine ran 5 miles in 42 minutes. At what rate did she run?
Andrews [41]

Answer:

8.4 miles a minute

Step-by-step explanation:

42÷5 = 8.4 a minute

3 0
3 years ago
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