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Sloan [31]
3 years ago
14

I need help on these ASAP THX

Mathematics
1 answer:
Kisachek [45]3 years ago
4 0

Answer: The third one or C



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Which set of data shows the least variability?
juin [17]
B. Shows lest Variability.
A) is constant, C) is Constant, D) is constant but with and addition of 20 and remaining
5 0
3 years ago
Betty bought six bags of rice when a total of 30 pounds what is the rate of the number of bags to pounds
finlep [7]

Answer:

5 pounds per bag simplified from 30 pounds per 6 bags

Step-by-step explanation:

6 bags of rice is 30 pounds. This means 30 pounds per 6 bags which simplifies to 5 pounds per 1 bag.

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What is the factored form of this expression?
Naddika [18.5K]

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(x+9)(x-9)

Step-by-step explanation:

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3 years ago
In a two digits number the sum of the digit is 8. The difference this number and the number with the digits reversed is 54. What
Andrew [12]

b#~8=+/"1 sep b=.a#~54=|a-10#.|."1 sep a=.10 to 99

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10#.b#~(8=+/"1 b)*.54=|a-10#.|."1 b=.sep a=. 10 to 99

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5 0
3 years ago
Use the parabola tool to graph the quadratic function f(x)=−5x2−2.
alexira [117]

\text{Consider the quadratic function}\\
\\
f(x)=-5x^2-2\\
\\
\text{For a quadratic equation, }f(x)=ax^2+bx+c, \text{ we know that the x-coordinate}\\
\text{of the vertex (h,k) is given by}\\
\\
h=\frac{-b}{2a}\\
\\
\text{on comparing the given equation with standard equation, we have}

a=-5, b=0, c=-2\\
\\
\text{so the x-coordinate of the vertex is }\\
\\
h=-\frac{b}{2a}=-\frac{0}{2(-5)}=0\\
\\
\text{so plug this vlaue of the h in the given function to get the y-coordinate}\\
\text{of the vertex. so}\\
\\
f(x)=-5(0)^2-2=0-2=-2\\
\\
\text{hence the vertex of the parabola is: }(h,k)=(0,\ -2)\\
\\
\text{A second point on the graph can be found by putting x=1, so }\\
\\
f(1)=-5(1)^2-2=-5-2=-7\\
\\
\text{so one other point on the parabola is }(1,-7)

The grpah of the quadratic function is shown below:


5 0
4 years ago
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