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aev [14]
3 years ago
8

What does it mean to talk about the 'volume' of the rectangular box or cylindrical container

Mathematics
2 answers:
Marta_Voda [28]3 years ago
6 0
Find how much space the object takes up by multiplying the height and base for the rectangular box, and multiplying the height and area of circle (area of circle formula--2πr) for the cylinder.
In-s [12.5K]3 years ago
6 0

Answer:

When we talk about volume we talk about three dimensional object which Occupies Space.Unit of Volume is Litre or Mililitre or Cm³,mm³.

So, Volume of Rectangular box means a three dimensional , six faced object called Cuboid which can keep any substance in it tha is Occupies Space and has mass.

As well as volume' of  cylindrical container has same meaning .It has mass as well as it occupies Space can keep object or material inside it.

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The base of a triangle is decreasing at the rate of 1 ft/sec, while the height is increasing at the rate of 2 ft/sec. At what ra
Vera_Pavlovna [14]
We are given with the rate of change of the base, db/dt equal to 1 ft/ sec and the rate of change of the height of the triangle, dh/dt equal to 2 ft/sec. b is 10 ft and h is 70 ft. Area of triangle is equal to A= 0.5 bh The rate of change of the area is equal to dA/dt = 0.5 b dh/dt + 0.5 h db/dt. Substituting, dA= 0.5*10*2 + 0.5*70 * 1 equal to 45 ft2 / sec.
3 0
4 years ago
Read 2 more answers
For what value of k are there two complex solutions to the given quadratic equation (k+1)x²+4kx+2=0.
nlexa [21]

Answer:k\in \left ( \frac{-1}{2},1\right )

Step-by-step explanation:

Given

\left ( k+1\right )x^2+4kx+2=0

For complex  roots Discriminant should be zero

D<0

D=\sqrt{b^2-4ac}

here

D=\sqrt{\left ( 4k\right )^2-4\left ( k+1\right )\left ( 2\right )}

D=\sqrt{16k^2-8k-8}

so 16k^2-8k-8

2k^2-k-1

\left ( 2k+1\right )\left ( k-1\right )

so k\in \left ( \frac{-1}{2},1\right )

3 0
4 years ago
How do you simplify 9/12
JulsSmile [24]

9 ÷ 12 = 0.75

Let’s check our work: 0.75 x 12 = 9

Therefore, the answer is 0.75

Hope this helps


6 0
3 years ago
Read 2 more answers
Wetting the cloth cover of your canteen on a hot day is a good or bad idea
Lyrx [107]
Bad idea.. because the cloth will get hot and then make your water inside warm
8 0
3 years ago
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How do I solve 2x-3y=-1. y=x-1
nlexa [21]
Hello!

You can put in y for the first equation

2x - 3(x - 1) = -1

Distribute the -3

2x - 3x + 3 = -1

Combine like terms

-x + 3 = -1

Subtract 3 from both sides

-x = -4

Since x is negative we can multiply both sides by -1 to make x positive

x = 4

We can put x into the second equation to get y

y = 4 - 1

y = 3

The answers are x = 4 and y = 3

Hope this helps!
7 0
4 years ago
Read 2 more answers
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