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Ratling [72]
3 years ago
8

Pls Help I Am really stuck.​

Mathematics
2 answers:
LiRa [457]3 years ago
8 0

In order to solve this problem you will need to use PEMDAS (Parentheses, Exponents, Multiplication, Division, Addition, Subtraction) You must solve the equation in that order to find the correct answer. I’ve attached a step by step photo of how to solve.

beks73 [17]3 years ago
7 0

Answer:

I'm pretty sure the answer is 62 (I may be wrong It's been a while since I did this)

Step-by-step explanation:

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Which correlation coefficient implies that the data points are closest to the line that is used to model the
pochemuha

Answer:

r= 0.87

Step-by-step explanation:

It has the strongest correlation, which means it is closest to the line.

4 0
3 years ago
What is greater <br> 12 cm or 98 mm
Tom [10]
12 centimeters is greater
Hope this helps! :D
4 0
3 years ago
Read 2 more answers
According to Scarborough Research, more than 85% of working adults commute by car. Of all U.S. cities, Washington, D.C., and New
tamaranim1 [39]

Answer:

The 99% confidence interval for the mean commute time of all commuters in Washington D.C. area is (22.35, 33.59).

Step-by-step explanation:

The (1 - <em>α</em>) % confidence interval for population mean (<em>μ</em>) is:

CI=\bar x\pm z_{\alpha /2}\frac{\sigma}{\sqrt{n}}

Here the population standard deviation (σ) is not provided. So the confidence interval would be computed using the <em>t</em>-distribution.

The (1 - <em>α</em>) % confidence interval for population mean (<em>μ</em>) using the <em>t</em>-distribution is:

CI=\bar x\pm t_{\alpha /2,(n-1)}\frac{s}{\sqrt{n}}

Given:

\bar x=27.97\\s=10.04\\n=25\\t_{\alpha /2, (n-1)}=t_{0.01/2, (25-1)}=t_{0.005, 24}=2.797

*Use the <em>t</em>-table for the critical value.

Compute the 99% confidence interval as follows:

CI=27.97\pm 2.797\times\frac{10.04}{\sqrt{25}}\\=27.97\pm5.616\\=(22.354, 33.586)\\\approx(22.35, 33.59)

Thus, the 99% confidence interval for the mean commute time of all commuters in Washington D.C. area is (22.35, 33.59).

8 0
3 years ago
Cody is selling chocolate and white chocolate candy bars for a student fundraiser. 30% of the candy bars sold have been white ch
alexdok [17]

wouldn't it be 24/30%=80 candy bars? thats my answer.

6 0
3 years ago
¾ + 4y ÷ 3; y = 1 ½ <br> Plz help step by step
suter [353]
Answer: 3/2

Step by step:

3/4 + 4y/3

3/4 + 4y/3 = 4y/3 + 3/4

y= 1 1/2 = 3/2
3 0
3 years ago
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