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stepan [7]
3 years ago
7

What is the constant of variation for the quadratic variation? x 2 3 4 5 6 y 32 72 128 200 288

Mathematics
1 answer:
cluponka [151]3 years ago
7 0
We use different models for different types of variation. For example, linear variation is associated with the formula y=ax, or the more familiar y=mx+b (the equation of a straight line). Cubic variation: y=a*x^3. In the present case we're discussing quadratic variation; perhaps that will ring a bell with you, reminding you that y=ax^2+bx+c is the general quadratic function. Now in y our math problem, we're told that this is a case of quadratic variation. Use the model y=a*x^2. For example, we know that if x=2, y =32. Mind substituting those two values into y=a*x^2 and solving for y? Then you could re-write y=a*x^2 substituting this value for a. Then check thisd value by substituting x=3, y=72, and see whether the resulting equation is true or not. If it is, your a value is correct. But overall I got 16!
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gulaghasi [49]

Answer 1:

For problem 1, each shirt can cost $15. Since their are two shirts, the price would equal up to $30. The remaining money can be the price of the athletic shoes, which is $65.

Equation: 15+15+65=95

Answer 2:

For problem 2, the pair of dress slacks can cost $55, the dress shoes can cost $100, and the and the blazer can cost $145.

Equation: 55+100+145=300

3 0
3 years ago
A standard letter-sized piece of paper has a length and width of 8.5 inches by 11 inches.
den301095 [7]

Answer:

Area of the resulting rectangle = 23.375 inch²

Step-by-step explanation:

After 1 fold width or length reduces to half.

Area = Length x width

So after 1 fold area will reduce to half.

So we have

              \texttt{Area after n folds =}\frac{\texttt{Initial area}}{2^{\texttt{number of folds}}}

Initial area = 8.5 x 11 = 93.5 inch²

Here the paper were folded completely in half, length is reduced to half and width reduced to half, that is

Number of folds = 2

\texttt{Area after 2 folds =}\frac{\texttt{Initial area}}{2^{2}}\\\\\texttt{Area after 2 folds =}\frac{93.5}{4}=23.375inch^2

Area after 2 folds = 23.375 inch²

Area of the resulting rectangle = 23.375 inch²

8 0
3 years ago
What is the least common denominator of 5\6 and 3/8
almond37 [142]

Answer:

24

Step-by-step explanation:

3 0
3 years ago
What is the solution to the equation 41/5 =15-(2x+3)
likoan [24]
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4 0
3 years ago
Read 2 more answers
If 8 km = 5 miles, convert 240 km into miles.<br> Can you give that faster? please.<br> Thank you
topjm [15]

Answer:

that is 149.129 miles (thats the answer)

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3 years ago
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