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jeka57 [31]
3 years ago
13

Someone knows this? if you know it help me please and thank you also show your work pleaseee​

Mathematics
1 answer:
Taya2010 [7]3 years ago
5 0
With math always you photo math get a calculator help and not a human and then click explain work
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An open box with a square base is to be made from a square piece of cardboard 24 inches on a side by cutting out a square from e
laila [671]

Answer:

x=4 Inch

Step-by-step explanation:

Length of the Square = 24 Inches

If a Square of Length x cm is cut out from each corner

Length of the Box = 24-x-x=(24-2x) Inches

Width of the Box =24-x-x=(24-2x) Inches

Height of the box = x inches

Volume of a Cuboid = Length X Width X Height

V(x)= x(24-2x)(24-2x)

Simplifying

V(x)=4x(12-x)(12-x)

To determine the value of x at which V is largest, we take the derivative of V(x) and solve for the critical points.

V(x)=4x(12-x)(12-x)

V^{'}(x)=12(x-12)(x-4)

Set the derivative equal to zero to obtain the critical points

V^{'}(x)=12(x-12)(x-4)=0\\Since \: 12\neq 0\\(x-12)(x-4)=0\\x-12=0 \:or\: x-4=0\\x=12 \:or\: x=4

x cannot be equal to 12 as it divides the length of the square cardboard into exactly two equal parts.

When x=4

V(4)=4*4(12-4)(12-4)=16*8*8=1024 Cubic Inches

When x=4 Inch, the volume, V of the open box is largest.

3 0
3 years ago
Attendance at the big game was only 80% of last years attendance, but that still means 12,000 people showed up. how many people
astraxan [27]
12000*100/80=15000 coz 12000 is 80% that's why you divide by 80 and multiply by 100
8 0
2 years ago
Simplify: 10 • 12 + - 15 divided by 5 + 2 (9-4)
Ket [755]
Alright. So the problem is

10*12+-15/5+2(9-4)

Lets break down what we can for now

First focus on parenthesized, multiplying, and dividing in the problem.

10*12=120 15/5=3 (9-4)=5

120+-3+2*5

So the next step, we see 2*5 and a negative -3 on top of a positive symbol.

2*5=10

120-3+10

Now subtract from the left to the right and get your answer.

120-3=117

117+10=127


7 0
3 years ago
Topic: Parallel and Perpendicular Lines
Eddi Din [679]

Answer:

Step-by-step explanation:

an equation perpendicular to the equation given will have a slope of -1, because a perpendicular slope is opposite and reciprical. if it goes through the point 4,-1 and has a slope of -1, the y intercept has to be 3. y = -x + 3

parallel lines have to have the same slope of 3.

3 0
3 years ago
HELP?!!!!! Name the space figure you can form from the net.
daser333 [38]

Answer:

a or b but i think a

Step-by-step explanation:

4 0
3 years ago
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