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2 years ago

Which step in the proof has a flow?

Mathematics

1 answer:

Dmitry [639]2 years ago

7 0

Answer:

Reason 2

Step-by-step explanation:

The reason should be transitive property( if a=b and b=c then a=c) not reflective property.

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What is the axis of symmetry for f(x) = -3x2 + 18 - 7

solong [7]

The vertex form:

$y=a(x-h)^2+k\\\\(h,\ k)-vertex$

The axis of symetry is x = h.

$y=ax^2+bx+c\to h=\dfrac{-b}{2a}$

We have

$f(x)=-3x^2+18x-7\to a=-3,\ b=18,\ c=-7$

Substitute:

$h=\dfrac{-18}{(2)(-3)}=\dfrac{-18}{-6}=3$

<h3>Answer: x = 3</h3>

6 0

3 years ago

Laura Manning applied for a job as a firefighter. She was 5-feet-2-inches tall and weighed 110 lbs. Laura was denied the positio

Vlad1618 [11]

Someone help idk the answer

3 0

2 years ago

Read 2 more answers

Another screenshot one... sowwwwyyy im really having trouble lolz

Savatey [412]

Answer:

the one that is a continuous line and starts in the num 4 in the y

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

A market sells strawberries for $2.00 per pint. Makayla is going to graph this relationship on the coordinate grid below

maks197457 [2]

Answer:

The point which represents the cost of 4 pints is:

(4,8)

Step-by-step explanation:

We are given that:

A market sells strawberries for $2.00 per pint.

Then, cost of 4 pints= $ 4×2.00

= $8.00

The point on the x coordinate represents number of pints

and the point on the y coordinate represents the cost in dollars

Hence, the point which represents the cost of 4 pints is:

(4,8)

6 0

2 years ago

If f(x)= -6x+6 then f^-1(x)=

drek231 [11]

Recall that, to get the inverse relation of any expression, we start off by doing a quick switcharoo on the variables, then we solve for "y".

$\bf \stackrel{f(x)}{y}=-6x+6\qquad inverse\implies \boxed{x}=-6\boxed{y}+6
\\\\\\
x-6=-6y\implies \cfrac{x-6}{-6}=y\implies -\cfrac{x}{6}+1=\stackrel{f^{-1}(x)}{y}$

3 0

2 years ago