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lyudmila [28]
2 years ago
15

Determine the values of a,c,b for the quadratic equation x²-8x+15

Mathematics
1 answer:
Zina [86]2 years ago
6 0

Answer: a= 1 b=-8 c=15

Step-by-step explanation:

A is the number before x^{2}

B is the number (including the sign) before X

c is the number without a variable

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PLEASE HELP ME!! I can’t figure this out
DochEvi [55]
Hello!

The problem has asked that we write a point-slope equation of the line in the image above. Point-Slope Form uses the following formula:

y – y_{1} = m(x – x_{1})

In this case, M represents the slope while X_{1} and Y_{1} represent the corresponding X and Y values of any given point on the line.

We are given that the slope of the line is -\frac{5}{7}. We also know that any given point on a graph takes the form (x,y). Based on the single point provided in the image above, we can determine that X_{1} is equal to 6 and Y_{1} is equal to 2. Now insert all known values into the point-slope formula above:

y – 2 = -\frac{5}{7}(x – 6)

We have now successfully created an equation based on the information given in the problem above. Looking at the four possible options, we can now come to the conclusion that the answer is C.

I hope this helps!

7 0
3 years ago
In a random sample, 10 students were asked to compute the distance they travel one way to school to the nearest tenth of a mile.
elixir [45]

Answer:

Mean = 3.12, Variance = 3.324, Standard deviation = 1.8232

Step-by-step explanation:

Total number of students = 10 students.

Given data, 1.1, 5.2, 3.6, 5.0, 4.8, 1.8, 2.2, 5.2, 1.5, 0.8

To find the mean, at first we have to take the sum of all given data and then divide with the number of students.

Let the data is X, = 1.1, + 5.2, + 3.6, + 5.0, + 4.8, + 1.8, + 2.2, + 5.2, + 1.5, + 0.8 = 31.2

Mean = 31.2 / 10 = 3.12

\text{Standard deviation, S} = \sqrt{\frac{\sum x^{2} - \left [ (\sum x)^{2}/n \right ]}{n-1}} \\S = 1.8232 \\\rm The \ Variance = S^{2} = 3.324

5 0
2 years ago
Three parcels weigh 2 pounds. Two parcels weigh the same. The lightest weight is 5/8 pound lighter than the heaviest weight. How
tankabanditka [31]
Its D if you want to give it a shoot but im 75% sure is D hope you got it right. :)
4 0
2 years ago
M/n=p-6 what is n how to solve
madreJ [45]
M/n=p-6
n= m/(p-6)
i swapped the n and p-6
4 0
3 years ago
List four rational numbers between -2 and -1?​
rosijanka [135]

Answer:

See below.

Step-by-step explanation:

The 4 might be:

-1.9  - 3/2 , -1.8 and - 9/8.

8 0
3 years ago
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