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lys-0071 [83]
1 year ago
10

The grades in period 3 algebra 2 have an average of 82 nd vary by 12 percentage points. formulate an absolute value equation tha

t could be used to solve for the maximum and minimum grade.
Mathematics
1 answer:
Sergeu [11.5K]1 year ago
5 0

The absolute value equation used to solve this problem: | x - 82 | = 12, where x = grade.

<h3>What is an absolute value equation?</h3>
  • A statement that contains an absolute value is known as an absolute value equation.
  • The absolute value contains the variable of the equation.

Now,

Given:

  • The average of grades = 82%
  • Variation = 12%

Let 'x' be the value that gives the value of grades.

The absolute value equation to find the grades will be given by: | x - 82 | = 12

=> x - 82 = ± 12

For maximum value of the grades, x - 82 = 12

=> x = 82 + 12

=> x = 94.

For minimum value of the grades, x - 82 = -12

=> x = 82 - 12

=> x = 70.

Hence, The absolute value equation used to solve this problem: | x - 82 | = 12, where x = grade.

To learn more about absolute value equation, refer to the link: brainly.com/question/5012769

#SPJ4

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4 0
3 years ago
A rock is thrown from the top of a tall building.The distance in feet between the rock and the ground t seconds after thrown is
marusya05 [52]

Answer:

0.448 seconds

Step-by-step explanation:

d = -16t² -4t + 412

find t when d = 407

substituting d = 407 into the equation:

407 = -16t² -4t + 412 (subtract 407 from both sides)

-16t² -4t + 412 - 407 = 0

-16t² -4t + 5 = 0 (multiply both sides by -1)

16t² + 4t - 5 = 0  

solving using your method of choice (i.e completing the square or using the quadratic equation), you will end up with

t = (-1/8) (1 + √21)= -0.70 seconds (not possible because time cannot be negative)

or

t = (-1/8) (1 -√21) = 0.448 seconds (answer)

4 0
3 years ago
Question 2 of 10
KIM [24]

hi my name is afsshenn I am stealing your points hahaha

3 0
2 years ago
Please find the slope of the line!! i will give you brainliest
Lana71 [14]

Answer:

I think its 2/2 or 1????

5 0
3 years ago
Read 2 more answers
I need answer please​
Assoli18 [71]

It is centered at (h,k) --> (0,0) and has a radius 9

The equation of the circle is

           (x-h)^{2} +(y-k)^{2} =r^{2} \\(x-0)^{2} +(y-0)^{2} =r^{2}\\x^{2} +y^{2} = 9^{2}

Hope that helps!

4 0
2 years ago
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