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Veseljchak [2.6K]
3 years ago
5

4b.) Write an equation using point-slope form with a slope of 2.3 and goes

Mathematics
1 answer:
Yuri [45]3 years ago
3 0

Answer:

y+3.2=2.3(x-4.5)

Step-by-step explanation:

So the point-slope formula looks like this: y-y_1=m(x-x_1)

y_1 = any y point on the line

x_1 = any x point on the line

m = the slope

And hey, look, we're already given all that information!

So we can just plug those values into the equation:

y+3.2=2.3(x-4.5)

(*note: It's a +3.2 because 3.2 was negative in the first place, and -(-x) = +x)

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Solve the following equation: 6x-3= 5x-5
Ilya [14]

Answer:

-3.66

Step-by-step explanation:

6x-3=-25

6x=-22

X=-3.66

6 0
3 years ago
Write an equation of the line in slope-intercept form
Agata [3.3K]

Answer:

y=2x-2

Step-by-step explanation:

Slope intercept form = y=mx+b

Where m=slope and b= y intercept

Reminder: the y intercept is where x=0

Looking at the graph, the y intercept is given as (0,-2)

There are also two points given (0, -2) and (2,2)

Reminder: to find the slope, divide the changes in y by the changes in x or substitute the numbers into this equation: y2-y1/x2-x1

2-(-2)/2-0=4/2

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Now that we have the slope and y intercept, sbstitute into the equation y=mx+b:

y=2x-2

5 0
2 years ago
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Katie memorized 40 multiplication facts last week. This week she memorized 56 multiplication facts. What is her percent of incre
Oksi-84 [34.3K]

Answer:

40%

Step-by-step explanation:

:)

4 0
2 years ago
How do i solve this slope of a line from a graph?​
iren2701 [21]

Answer:

Find two good points and do rise over run. or you can do the x1 y1 thing

Step-by-step explanation:

3 0
3 years ago
This problem has been solved!
rjkz [21]

Answer:

1. Precise

2.Both

3.Precise

5.Neither

Step-by-step explanation:

Accuracy is the closeness of a measured value to a standard value.

Precision is the closeness of two or more measurements to each other.

1.The norm is 45 sit-ups in a minute.The students did, 64, 69,65 and 67. Values are not accurate compared to standard value 45.

Values are precise

Answer--Precise

2. Average score is 89.5

  Scores are 89,93,91,87

  Values are precise i.e a difference of 2 from each score

  Values are accurate because the average score is 90 thus compared to      the known average score of 89.5 they are accurate.

Answer-Both

3. Yesterday temperature=89

   Tomorrow=88

    Next day=90

   Average =75

   Values are precise i.e. difference of ± 1°

   Values are not accurate compared to the average temperatures of 75 F

   Answer---Precise

5. The jar contained 568 pennies

   The 6 people guessed the numbers as

    735,209,390,300,1005, 689

  The values are not precise

  The values are not accurate

  Answer---Neither

5 0
3 years ago
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