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4 years ago

Which figure has the least area?

Mathematics

2 answers:

MatroZZZ [7]4 years ago

5 0

Answer:

D. rectangle with a width of 7 cm and a length of 8 cm

Step-by-step explanation:

If you multiply 7 and 8 you get 56, which is the least area in all of these figures.

krek1111 [17]4 years ago

3 0

Answer:

triangle with the area of 54

Step-by-step explanation:

square has the area=81

parallelogram has area of=72

triangle has area=54

rectangle area=56

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The height of a cone is twice the radius of its base. A cone has a height of 2 x and a radius of x. What expression represents t

notsponge [240]

Answer:

Let's Find it!

Step-by-step explanation:

So let's use the formula for the volume of a cone:

$V=\pi r^{2} \frac{h}{4} \\V=\pi *x^{2} *\frac{1}{2} x\\V=\frac{1}{2} \pi x^{3}$

So there you go!(you could also plug the things in google but thats okay)

Hope this Helps!

P.S. Stay Safe!

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3 years ago

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A train has one engine and six train cars. Find the total number of ways an engineer can arrange the train. (The engine must be

enot [183]

Answer: 720 ways

Step-by-step explanation:

Given

A train has 1 main engine and remaining 6 train cars

If the engine is always in the front the remaining train cars can be arranged is

$\Rightarrow \text{No. of ways}=6!=720\ \text{ways}$

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3 years ago

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3 years ago

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3 years ago

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You have a function $y= \dfrac{3}{2} \left(1+\sin \left(\dfrac{2t+1}{2}\cdot \pi\right) \right)$ .
Since the range of the function $y=\sin x$ is $[-1,1]$ you have that

$-1\le \sin \left(\dfrac{2t+1}{2}\cdot \pi\right)\le 1 \\ 0\le 1+\sin \left(\dfrac{2t+1}{2}\cdot \pi\right) \le 2 \\ 0\le \dfrac{3}{2} \left(1+\sin \left(\dfrac{2t+1}{2}\cdot \pi\right) \right)\le 3$ .
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3 years ago