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olga_2 [115]
2 years ago
7

Determine the rate of change for the graph from 2010 to 2012​

Mathematics
1 answer:
mash [69]2 years ago
8 0

Answer:

B)-20 students per year

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Which expression is equivalent to x2-16 ?
kirill [66]

Answer:

Step-by-step explanation:

You should indicate which type of expression are you expecting.

But intuitively, x^2 + 16 = x^4 + 4^2 = (x+4)^2 - 8x

5 0
2 years ago
Have you ever thought about the number of times your heart beats in a life time? Consider the average life span of 75 years and
andreev551 [17]
Roughly 2,365,200,000. If you have muiltiple choices round up to the nearest
7 0
3 years ago
Please help!!! I need someone to use some brain power
olya-2409 [2.1K]

Answer:

  • r = 4, s = 3, t = 5

Step-by-step explanation:

<u>Solving quadratic equation:</u>

  • 5x² - 8x + 5 = 0
  • x = (-b ± √b²-4ac)/2a
  • x = (8 ± √8²-4*5*5)/2*5
  • x = (8 ± √64-100)/10
  • x = (8 ±√-36)/10
  • x = (8 ± 6i)/10
  • x = (4 ± 3i)/5

x = (r ± si)/t

r = 4, s = 3, t = 5

3 0
3 years ago
If the area of a rectangle equals 28 square centimeters what is the height?
Slav-nsk [51]
So the  length and width would be 7 and 4. hope that helped
3 0
3 years ago
I will give BRAINLIEST! HELP PLEASE.!!!<br><br> 2. Find each measure. <br> m&lt;1 m&lt;2 m&lt;3
fredd [130]
<h3>Answer: Choice B</h3>

Angle 1 = 147 degrees

Angle 2 = 80 degrees

Angle 3 = 148 degrees

======================================================

Work Shown:

(angle 1) + 33 = 180

angle 1 = 180-33

angle 1 = 147 degrees

---------------

Focus on the left most triangle that has angles 33 and 47 as interior angles. The missing angle is 180-33-47 = 100 degrees

The angle exterior to this 100 degree angle is angle 2

angle 2 = 180-100 = 80

We have enough info to conclude the answer must be choice B.

---------------

Let's keep going to find angle 3

The vertical angle for the 100 degree angle is also 100 degrees. This second 100 degree angle is part of the triangle on the right

This triangle on the right has interior angles 100 and 48

The missing interior angle is 180-100-48 = 32

The angle supplementary to this is 180-32 = 148, which is angle 3.

5 0
3 years ago
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