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koban [17]
3 years ago
8

Some of the steps for completing the square to solve

Mathematics
2 answers:
Korvikt [17]3 years ago
5 0

Answer:

option D and E just did it hope i help

Step-by-step explanation:

iogann1982 [59]3 years ago
3 0

Answer:

its e and f

Step-by-step explanation:

on edge

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The drama clue is showing a video of their recent play. The first showing begins at 1:30 p.m. The second showing is scheduled at
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Given information
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First showing : 1.30pm
Second showing : 4.15 pm
Inbetween : 1/2 hour break

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Find the time the first showing ends
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1/2 hours before 4.15pm
⇒ 30 mins before 4.15pm
⇒ 3.45pm

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Calculate the duration of the firs show
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1.30pm to 3.30pm = 2 hours
3.30pm to 3.45pm = 15 mins
Total duration = 2 hours 15 mins

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7 0
3 years ago
If a storm window has an area of 448 square inches, what are the dimensions if the window is 12 inches higher than it is wide (w
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16*28=448
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A sugar cube is inch on each edge. How much volume does it occupy?
Serhud [2]

Hello from MrBillDoesMath!

Answer:

1 cubic inch.

Discussion:

If each side of the sugar cube is 1, the volume, which is the product of the length, width, and height, equals

1 * 1 *1  =

1 cubic inch.


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5 0
3 years ago
Business/multivariable calc question<br> help needed asap!!!!
UkoKoshka [18]

Answer:

There is a <u>   min   </u>  value of <u>   800   </u> located at (x,y) = <u>   (16, 12)   </u>

==========================================================

Explanation:

Let's solve the second equation for y

4x+3y = 100

3y = 100-4x

y = (100-4x)/3

We'll plug that into the first equation

f(x,y) = 2x^2+2y^2

g(x) = 2x^2+2((100-4x)/3)^2

g(x) = 2x^2+(2/9)*(100-4x)^2

g(x) = 2x^2+(2/9)*(10,000-800x+16x^2)

This graphs a parabola that opens upward, due to the positive leading coefficient. This g(x) curve has its vertex point at the minimum.

Apply the derivative to help find the minimum

g(x) = 2x^2+(2/9)*(10,000-800x+16x^2)

g ' (x) = 4x+(2/9)*(-800+32x)

------------------------

Set the derivative function equal to 0 and solve for x

g ' (x) = 0

4x+(2/9)*(-800+32x) = 0

4x+(2/9)*(-800)+(2/9)*(32x) = 0

4x-1600/9+(64/9)x = 0

9(4x-1600/9+(64/9)x) = 9*0

36x-1600+64x = 0

100x-1600 = 0

100x = 1600

x = 1600/100

x = 16

Use this x value to find y

y = (100-4x)/3

y = (100-4*16)/3

y = (100-64)/3

y = 36/3

y = 12

-----------------------

Therefore, (x,y) = (16,12) leads to the largest value of f(x,y) = 2x^2+2y^2

That smallest f(x,y) value is...

f(x,y) = 2x^2+2y^2

f(16,12) = 2*16^2+2*12^2

f(16,12) = 800

8 0
2 years ago
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