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Tju [1.3M]
3 years ago
8

Can someone help me plzzz and thank you

Mathematics
1 answer:
irinina [24]3 years ago
6 0

Answer:

(0.5,-6)

Step-by-step explanation:

mid point=(x1+x2)/2

 =(-3+4)/2

= 1/2

=0.5

midpoint=(y1+y2)/2

      =(-9+(-3))/2

=(-9-3)/2

=--12/2

=-6

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What’s the value of this expression?<br><br> 6x4-(5+3) dividend by 2
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Step-by-step explanation:

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3 years ago
Evaluate 9 – b when b = 8.
FromTheMoon [43]

Answer:

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Step-by-step explanation:

5 0
3 years ago
X÷-1.2= -0.3 i need help with this asap pls and thank you ​
Aleks [24]

0.3×1.2

=0.36

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−0.36

3 0
3 years ago
Over which interval is the graph of f(x) = one-halfx2 + 5x + 6 increasing?
kaheart [24]

Answer:

\large\boxed{x\in[-5,\ \infty)}

Step-by-step explanation:

f(x)=\dfrac{1}{2}x^2+5x+6\\\\\text{The coeficient of}\ x^2\ \text{is the positive number. Therefore the parabola is op}\text{en up}.\\\\\text{If a parabola op}\text{en up, then the graph increasing in interval}\ (h,\ \infty),\\\text{and decreasing in interval}\ (-\infty,\ h).\ \text{Where}\ h\ \text{is a first coordinate of a vertex.}\\\\\text{For}\ y=ax^2+bx+c,\ h=\dfrac{-b}{2a}.\\\\\text{We have}\ a=\dfrac{1}{2}\ \text{and}\ b=5.\ \text{Substitute:}\\\\h=\dfrac{-5}{2\left(\frac{1}{2}\right)}=-\cdot\dfrac{5}{1}=-5.

8 0
3 years ago
Read 2 more answers
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