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nadezda [96]
3 years ago
15

The answers to the 3 questions

Mathematics
1 answer:
Simora [160]3 years ago
3 0
  • It is linear as the equation performs ax+by +c
  • y = 90.2x - 177670
  • number of student to enroll 2011 is 3722

Step-by-step explanation:

  • Linear is a straight line.
  • Quadratic is a square which generates parabola.
  • Quadratic formula is (ax)^2 + bx + c = 0.
  • Linear formula is ax+bx + c = 0
  • To  forecast time series data modelling can be used.
  • To form a linear equation y = mx + c.
  • After finding x is the required value , m is the intercept and C constant.
  • X axis have years and Y axis has the value.
  • to find number of students x is 90.2 * 2011 - 177670.
  • The result comes to 3722.
  • In Data analysis predictive modeling is the second phase.
  • It is important because it helps in associating to variables.
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Slope-intercept form?just reviewing but I just need a bit of a refreshment
V125BC [204]

Answer:

if ur asking what slope-intercept form is, its y = mx + b where y is the y-coordinate, m is the slope, x is the x-coordinate, and b is the y-intercept

Step-by-step explanation:

4 0
3 years ago
One positive number is 3 more than twice another. If their product is 629, find the numbers.
Soloha48 [4]

Answer:

17,37

Step-by-step explanation:

one number = x

The positive number = 2x + 3

x * (2x+3) = 629

x*2x + x *3 = 629

2x² + 3x - 629 = 0

2x² - 34x + 37x - 17*37 =0

2x*(x -17) + 37(x - 17) = 0

(x - 17)(2x + 37) = 0

x - 17 = 0 ;     Ignore  2x + 37 as s is a positive number

x = 17

Positive number = 2*17 +3 = 34+3 = 37

5 0
3 years ago
Need help answering this problem
klasskru [66]

Answer:

(a) Local Maximum (x,y) = (0,12)

    Local Minimum (x,y) = (-9,6) (smaller x-value)

    Local Minimum (x,y) = (6,3) (Larger x-value)

(b) Increasing = (-9,0)\cup (6,\infty)

    Decreasing = (\infty,-9)\cup (0,6)

Step-by-step explanation:

(a)

Local Maximum: The function gives maximum value in small neighborhood.

From the given graph it is clear that the maximum value of the function is 12 at x=0. So,

Local Maximum (x,y) = (0,12)

Local Minimum: The function gives minimum value in small neighborhood.

It is clear that the minimum value of the function is -6 and 3 at x=-9 and x=6. So,

Local Minimum (x,y) = (-9,6) (smaller x-value)

Local Minimum (x,y) = (6,3) (Larger x-value)

(b)

The function is increasing on -9<x<0 and after 6.

Increasing = (-9,0)\cup (6,\infty)

The function is decreasing on 0<x<6 and before -9.

Decreasing = (\infty,-9)\cup (0,6)

8 0
3 years ago
Give the answer with the appropriate unit of measure. (7 meters/1 minute)(60 minutes)
Marat540 [252]

Assuming this is written as 7m/min * 60min the correct units will be 420meters

8 0
3 years ago
Is the following relation a function?<br><br> 1) Yes <br> 2) No
lesantik [10]

To figure out if the given relation is a function, we first need to know what a function is:

Function: A relation which relates the element x of set X with a single element of set Y

which means that every value of x can give only one value of y

but we can clearly see from the provided diagram that 5 has 2 possible outputs. Hence, the given relation is NOT a function

6 0
3 years ago
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