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Sveta_85 [38]
3 years ago
7

if a school starts at 11:00 and the kids who take the bus have to get to the bus stop 3 hours and 20 minute from there regular b

us time which is 7:05 what time should they get to the bus stop?
Mathematics
1 answer:
Novay_Z [31]3 years ago
4 0
The time they need to be there should be 10:25
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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
What is the mean absolute deviation of the data set?
soldi70 [24.7K]
42 and 17 millionsth.....
6 0
3 years ago
Add them all, please
Mamont248 [21]

Answer:

10ax - 2by + 2cz

4 0
2 years ago
Divide 4^2/4^6<br> a. 4^-3<br> b. 4^3<br> c. 4^-4<br> d. 4^4
spayn [35]

When dividing indices with the same base, the rule is to subtract the index of the denominator from the index of the numerator, and to keep the base the same.

In this case, the index of our denominator is 6, and the index of the numerator is 2.

2-6 = -4

The answer is 4^{-4}.

8 0
3 years ago
What is the maximum volume of a square pyramid that can fit inside a cube with a side length of 18 cm?
Ira Lisetskai [31]
Part 1) <span>What is the maximum volume of a square pyramid that can fit inside a cube with a side length of 18 cm?

we know that
[volume of a square pyramid]=(1/3)*b</span>²*h
where 
b is the length side of the square base-----> 18 cm (is equal to the length side of cube)
h is the height---------> 18 cm (is equal to the length side of cube)
[volume of a square pyramid]=(1/3)*18²*18----> 1944 cm³

the answer Part 1)  is
c. 1,944 cm³

Part 2) <span>Find the volume of the cylinder in terms of Pie. The diagrams are not drawn to scale.
</span>
volume of a cylinder=pi*r²*h
for r=2.2 m
h=12 m
volume of a cylinder=pi*2.2²*12-----> volume=58.08*pi m³

the answer Part 2) is 
58.08*pi m³

4 0
3 years ago
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