1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Gelneren [198K]
3 years ago
13

A rectangular prism and a triangular prism each have a volume of 210 cubic meters. find possible dimensions for each prism.

Mathematics
1 answer:
Evgesh-ka [11]3 years ago
5 0
An interesting question! Let's take a look at the rectangular prism first.

[Rectangular Prism]
We know that the formula for the volume of a rectangular prism is:
volume = length * width * height

or more simply
V = L*W*H

All we know is that the volume is 210 cubic meters. We can choose whatever we want for the dimensions to force it to work! We're free to do what we want!
210 = L*W*H

I like 10, that's a nice number. Let's make L = 10.
210 = 10*W*H

Hmm... but now I need W*H to be 21 (think about it, make sure you get why I say that). Well, how about W = 7 and H = 3? That should work.
210 = 10*7*3

It checks! Possible dimensions for the rectangular prism are L = 10 meters, W = 7 meters, and H = 3 meters. There are many other choices of course, but this is a possible choice.

[Triangular Prism]
Same idea, different formula. For a triangular prism, the volume is
V = 1/2 * L*W*H

But the volume is still 210 cubic meters, so we just have
210 = 1/2 * L*W*H

So, one of our dimensions is going to be cut in half. Why don't we just double L to make up for it? 
210 = 1/2*(20)*W*H

And we can leave W and H the same
210 = 1/2*20*7*3

Check that it works! A possible choice is L = 20 meters, W = 7 meters and H = 3 meters.

We're done!

You might be interested in
What is the perimeter of the triangle?
12345 [234]
Answer: D

Work is shown in picture :)

6 0
2 years ago
A wood stove burns 4 same-sized logs in 2 hours. How many logs does the stove burn in 8 hours?
Liono4ka [1.6K]
(4logs/2hours) = (x logs/8 hours)

(4/2) = x/8)

Cross multiplication gets you:

(4)(8) = (2)x
32 = 2x
x = 16

16 logs
8 0
3 years ago
Read 2 more answers
Can Somebody answer this real fast?
Debora [2.8K]

Answer:

The answer is 6

Step-by-step explanation:

...........

4 0
3 years ago
What is the value of x?<br> A. 6<br> B. 5<br> c. 4<br> D.3
Mumz [18]

Answer:

D

Step-by-step explanation:

CD is an angle bisector and divides the opposite side into segments which are proportional to the other 2 sides, that is

\frac{BC}{AC} = \frac{BD}{AD} , substitute values

\frac{4}{3} = \frac{x}{2.25} ( cross- multiply )

3x = 9 ( divide both sides by 3 )

x = 3 → D

8 0
3 years ago
PLEASE HELP
notsponge [240]

Answer:

(a)

x cubed is

=x^3=x3

5 times the cube of x is

=5x^3=5x3

4 times x is

=4x=4x

the quotient of 4 times x and 3 is

=\frac{4x}{3}=34x

so,

the difference of 5 times the cube of x cubed and the quotient of 4 times x and 3 is

=5x^3-\frac{4x}{3}=5x3−34x ..........Answer

(b)

5 times cube of x is

=5x^3=5x3

5 times cube of x divided by 4 times x is

=\frac{5x^3}{4x}=4x5x3 ..........Answer

(c)

difference of 5 times x cube and 4 is

=5x^3 -4=5x3−4

so,

the quotient of the difference of 5 times x cube and 4 and x is

=\frac{5x^3-4}{x}=x5x3−4 ...........Answer

(d)

difference of 5 times x and 4 is

=5x-4=5x−4

so,

the cube of the difference of 5 times x and 4 is is

=(5x-4)^3=(5x−4)3 ............Answer

5 0
2 years ago
Other questions:
  • A man bought a TV for £300. He had to pay a deposit of 15%. How much did he pay?
    10·1 answer
  • How many dots are in pattern 1
    5·1 answer
  • PLZZ HELP ASAP MEH DUDES
    5·2 answers
  • What is the rate of change
    5·1 answer
  • Can someone solve this?​
    6·1 answer
  • An item costs $430 before tax, and the sales tax is $25.80.
    7·1 answer
  • What does 9a squared + 2b squared if a=4 and b=7?
    14·1 answer
  • Which is greater than 4?<br><br>(a) 5,<br><br>(b) -5,<br><br>(c) -1/2,<br><br>(d) -25.​
    10·1 answer
  • What is the value of the last digit in 3,500.45
    9·1 answer
  • If a can of soup contains 12.0 ounces (oz) of soup, how many grams of soup is that, in proper significant
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!