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ella [17]
3 years ago
10

Find the mean absolute deviation for 78 79 80 80 82 85 90 90 96​

Mathematics
1 answer:
Rus_ich [418]3 years ago
4 0

Answer:

4

Step-by-step explanation:

Please name me brainliest

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nika2105 [10]

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Both circles

Step-by-step explanation:

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3 years ago
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d) What are the values for coefficients a, b, and c in the quadratic equation for Daredevil Danny’s practice jump? (5 points)
SIZIF [17.4K]

Answer:

a = -0.32

b = 16

c = - 168

Step-by-step explanation:

In the figure attached, the quadratic function is shown. We can model it as follows:

y = a*(x - x1)*(x - x2)

where (x1, 0) and (x2, 0) are its roots

From the picture, roots are (15, 0) and (35, 0), replacing them into the equation:

y = a*(x - 15)*(x - 35)

and the vertex is at (25,32), replacing into the equation:

32 = a*(25 - 15)*(25 - 35)

32 = a*(-100)

a = 32/(-100)

a = -0.32

Applying distributive property:

y = -0.32*(x - 15)*(x - 35)

y = -0.32*(x² - 35x - 15x + 525)

y = -0.32x² + 16x - 168

which corresponds to the general form:

y = ax² + bx + c

3 0
3 years ago
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What is 3w(2+4x-5+y)
Mkey [24]

Answer:

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Step-by-step explanation:

just distribute 3w through the parentheses

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Solve the given inequality and graph the solution on a number line.
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-\dfrac{x}{2}+\dfrac{3}{2} < \dfrac{5}{2}\ \ \ \ |\cdot2\\\\-x+3 < 5\ \ \ |-3\\\\-x < 2\ \ \ \ |change\ the\ signs\\\\x > -2\to x\in(-2;\ \infty)

Answer\ in\ attachment.

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I linked an attachment to it. PLs help me
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Answer:

101 students

since a whole circle is 360 degrees just subtract 259 from 360

5 0
2 years ago
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