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3 years ago

Order the group of parabolas from widest to narrowest y = 1/4x2, y = -1/2x2, y = 3/2x2

Mathematics

2 answers:

iris [78.8K]3 years ago

8 0

Answer:

y=1/4x2, y=-1/2x2, y=3/2x2 is correct.

Step-by-step explanation:

Marina86 [1]3 years ago

7 0

widest to narrowest: y=3/2x2, y= -1/2x2, y= 1/4x2

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X(x – 4) and x2 - 4x define the same function.

ycow [4]

Answer:

Yes, because $x(x -4)$ is equivalent to $x^2-4x$

Step-by-step explanation:

$x(x -4)$ and $x^2-4x$

$x(x -4) = x^2 - 4x$

Hope this helps!

5 0

2 years ago

If Angie’s gross pay for 21.5 hours was $282.08, what was her pay per hour?

xxMikexx [17]

Answer:

$13.12 per hour

Step-by-step explanation:

Take the total pay and divide by the number of hours

$282.08/21.5 hours

$13.12 per hour

8 0

3 years ago

Read 2 more answers

If F(x)=4x-1 and g(x)=x^2+7, what is g(f(x))

VashaNatasha [74]

Answer

$g(f(x)) = = 16 {x}^{2} - 8x + 8$

step by step Explanation

The functions given are

$f (x)= 4x- 1$

$g(x)= {x}^{2} + 7$

We want to find:

$g(f (x))= g( 4x- 1)$

This implies that

$g(f (x))= ( (4x- 1)^{2} + 7)$

Let us now simplify

$( {a - b)}^{2} = {a}^{2} -2ab + {b}^{2}$

This implies that

$( (4x- 1)^{2} + 7) =( {(4x)}^{2} - 2(4x) \times 1 + 1$

Combine the terms to get,

$= 16 {x}^{2} - 8x + 1 + 7$

$= 16 {x}^{2} - 8x + 8$

6 0

3 years ago

Read 2 more answers

The waiting time to a roller coaster is 20 minutes when 150 people are in line. How long is the waiting time when 240 people are

scoray [572]

So, the first thing you want to find out is how many seconds each person adds to the wait time. Find out how many seconds are in 20 minutes.. 20*60=120. 120/150=0.8 seconds. Each person adds 0.8 seconds to the wait time. Now, multiply that by 240.. 240*0.8=192 seconds. Lastly, find out how many minutes 192 seconds is... 192/60=32 minutes.
I hope I did that right! And if I did, I hope that helped!

5 0

3 years ago

The following diagram shows parallel lines cut be a transversal. What is the measure of Angle 2?

Crank

2x + 100 = 5x + 55
3x = 45
x = 15

2(15) + 100 = 130

180-130 = 50

so angle 2 is 50 degrees

3 0

3 years ago