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alexgriva [62]
3 years ago
8

How do you find the y=mx+b equation with a problem like 3x+5y=9?

Mathematics
2 answers:
xenn [34]3 years ago
8 0
You have to solve for y.

3x+5y=9

5y=-3x+9

y=-3/5x+9/5

elena-14-01-66 [18.8K]3 years ago
5 0
I hope i didn't answer too late

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9(-6+4h). Help me please
sertanlavr [38]

Answer:

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Step-by-step explanation:

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3 years ago
6. Select all the expressions that are equivalent to 10-6. 1 a. 1000000 b. 1000000 1 C. 106 d. 108 . 10-2 6 10 e. 10 1 f. 10-10-
zhuklara [117]

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Step-by-step explanation: Just pay attention Haden

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Give a 98% confidence interval for one population mean, given asample of 28 data points with sample mean 30.0 and sample standar
klio [65]

We have a sample of 28 data points. The sample mean is 30.0 and the sample standard deviation is 2.40. The confidence level required is 98%. Then, we calculate α by:

\begin{gathered} 1-\alpha=0.98 \\ \alpha=0.02 \end{gathered}

The confidence interval for the population mean, given the sample mean μ and the sample standard deviation σ, can be calculated as:

CI(\mu)=\lbrack x-Z_{1-\frac{\alpha}{2}}\cdot\frac{\sigma}{\sqrt[]{n}},x+Z_{1-\frac{\alpha}{2}}\cdot\frac{\sigma}{\sqrt[]{n}}\rbrack

Where n is the sample size, and Z is the z-score for 1 - α/2. Using the known values:

CI(\mu)=\lbrack30.0-Z_{0.99}\cdot\frac{2.40}{\sqrt[]{28}},30.0+Z_{0.99}\cdot\frac{2.40}{\sqrt[]{28}}\rbrack

Where (from tables):

Z_{0.99}=2.33

Finally, the interval at 98% confidence level is:

CI(\mu)=\lbrack28.94,31.06\rbrack

4 0
1 year ago
PLEASE HELP ASAP!!!!! i’ll mark brainlest
hoa [83]

Answer:

It would be hundreds

Step-by-step explanation:

I hope it is right :I

4 0
3 years ago
The length of a rectangle is half the width. The area is 25 square meters
salantis [7]

Answer:

width= 5sqrt2 meters

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Step-by-step explanation:

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