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Basile [38]
2 years ago
6

Find the slope of the line represented by the table of values.

Mathematics
2 answers:
cestrela7 [59]2 years ago
8 0

Answer:

B. -1/4

Step-by-step explanation:

To get the slope you have to use the formula: y2-y1/x2-x1

y2-y1/x2-x1 = 4.47-5/-1-(-2)

4.75-5 = -.25

-1 - (-2) = 1

-.25/1 = -.25 or -1/4

gladu [14]2 years ago
5 0

Answer:

B) −1/4


Step-by-step explanation:

The slope represents the change in y values divided by the change in x values.  We can use the formula

slope = (y2-y1)/(x2-x1)

(2,4)  (-2,5)

slope = (5-4)/(-2-2)

        = 1/-4

slope = -1/4

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Please choose answer choice a,b,c or d
dmitriy555 [2]

Answer:

A. -4

Step-by-step explanation:

Slope is rise over run, or y2-y1 / x2-x1.

\frac{y2-y1}{x2-x1} = \frac{-4-8}{2--1} =\frac{-12}{3} = -4

<u>The slope is A. -4.</u>

Let's see--does that make sense? A slope of four would be pretty steep, and that matches the graph. It also should be negative because the line goes down and to the right, not up and to the right, so -4 makes sense!

4 0
2 years ago
Find the mean for the group of data items. Round to the nearest hundredth, if necessary.
Ilya [14]

Answer:

The mean is 60.17 if round to the nearest hundredth.

Step-by-step explanation:

Add all the numbers together to get 361, then divide by 6 because that is how many numbers were added together.

7 0
3 years ago
Using polynomial regression fit a cubic equation to the following data: x 3 4 5 7 8 9 11 12 y 1.6 3.6 4.4 3.4 2.2 2.8 3.8 4.6 Pl
luda_lava [24]

Answer:

As problem is of regression analysis,thus r^2 will be 24 and sy/x is 4.

3 0
2 years ago
Write a quartic trinomial with a leading coefficient of 2 using standard form
lions [1.4K]
Quartic => polynolial degree 4, i.e. the highest exponent of the variable is 4

trinomial=> three terms

leading coefficient = the coefficient in front of the term with the highest exponent.

standard form=> ax^4 + bx^3 + c^2 + dx + e

Solution:

2x^4 + x^3 + 0x^2 + 0x + 30

which is equal to 2x^4 + x^3 + 30: this is a quartic trinomial with leading coefficient 2, written in standard form.
 
3 0
2 years ago
The dual bar chart shows the hair colour of boys and girls in a year group.
Natasha2012 [34]

The fraction of the red haired students are boys will be 2 / 5.

<h3>What is a fraction number?</h3>

A fraction number is a number that represents the part of the whole, where the whole can be any number. It is in the form of numerator and denominator.

The dual bar chart shows the hair colour of boys and girls in a year group.

The total number of the boys and girl will be

Total = 6 + 9

Total = 15

Then the fraction of the red haired students are boys will be

⇒ 6 / 15

⇒ 2 / 5

More about the fraction number link is given below.

brainly.com/question/78672

#SPJ1

4 0
2 years ago
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