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Aleksandr-060686 [28]
3 years ago
10

Y=12x-17 Slope what is it

Mathematics
2 answers:
oee [108]3 years ago
6 0

Answer: -204

Step-by-step explanation: 12 X -17 +Y is the same thing but you can say it this way and its easier to understand but it equals -204/(negative 204) Hope this helps you! :3

dezoksy [38]3 years ago
6 0

Answer: slope is 12

Step-by-step explanation:

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A scale model of a human heart is 16ft long. The scale is 32:1. How many inches long is the actual heart it represents?
melisa1 [442]
0.5 or 6 inches
The model=32
Actual size=1

32/1= 16/?
  If 32 is 1 foot which equals 12 inches, and 16 is half of  32, then 16 is 0.5 inches or 6 inches
4 0
3 years ago
"You measure 34 dogs' weights, and find they have a mean weight of 67 ounces. Assume the population standard deviation is 13.5 o
liraira [26]

Answer:

The 95% confidence interval for the true population mean dog weight is between 62.46 ounces and 71.54 ounces.

Step-by-step explanation:

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

\alpha = \frac{1-0.95}{2} = 0.025

Now, we have to find z in the Ztable as such z has a pvalue of 1-\alpha.

So it is z with a pvalue of 1-0.025 = 0.975, so z = 1.96

Now, find M as such

M = z*\frac{\sigma}{\sqrt{n}}

In which \sigma is the standard deviation of the population and n is the size of the sample.

M = 1.96*\frac{13.5}{\sqrt{34}} = 4.54

The lower end of the interval is the sample mean subtracted by M. So it is 67 - 4.54 = 62.46 ounches.

The upper end of the interval is the sample mean added to M. So it is 67 + 4.54 = 71.54 ounces.

The 95% confidence interval for the true population mean dog weight is between 62.46 ounces and 71.54 ounces.

7 0
4 years ago
Please this a really easy question. Does this mean I got an A on this test?! Please answer!!!!!!!!!!!!!!!
AnnZ [28]

Answer:

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Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Help me please im strugglin
IRINA_888 [86]

Answer:

propotianal

Step-by-step explanation:

Rise is how many you go up on the y axis x axis is how many you go to the left or right on the x axis if the number is negative you go the the right. the points match up with -4/1 - 1 so it's is proportional please give me brainliest

3 0
3 years ago
A researcher at the Centers for Disease Control and Prevention is studying the growth of a certain bacteria. He starts his exper
steposvetlana [31]

The population of the bacteria after 8 hours is 1639 bacteria.

An exponential function is given by:

y = abˣ

where y, x are variables, a is the initial value of y and b is the multiplier.

Let y represent the population of bacteria after x hours.

Given that he starts his experiment with 500 bacteria, hence

a = 500

The bacteria grow at a rate of 16% per hour, hence:

b = 100% + 16% = 1.16

The exponential equation becomes:

y = 500(1.16)ˣ

After 8 hours:

y = 500(1.16)⁸ = 1639

The population of the bacteria after 8 hours is 1639 bacteria.

Find out more at: brainly.com/question/12490064

3 0
2 years ago
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