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
Maksim231197 [3]
3 years ago
6

A cube has side length a. The side lengths are decreased to 20% of their original size. Write an expression in simplest form for

the volume of the new cube in terms of a.
Mathematics
2 answers:
sergiy2304 [10]3 years ago
8 0
Volume of the original cube is a³ .
That's (a · a · a) .

If you decrease the sides to 20% of their original size,
then the new volume is  (0.2a · 0.2a × 0.2a).

That's  0.008a³  or  (0.2a)³ . 

Take your choice.  I can't decide which one is simpler.
CaHeK987 [17]3 years ago
6 0
20% is mean you have a cube of 80%
So 80%=0.8
That means the volume of the new cube is (0.8)3 I mean multiply 0,8x0.8x0.8 = 0.512a cubic unit
You might be interested in
Use the drop-down menus to complete the proof. Given that w ∥ x and y is a transversal, we know that ∠1 ≅∠5 by the . Therefore,
ololo11 [35]

Answer:

From the graph attached, we know that \angle 1 \cong \angle 5 by the corresponding angle theorem, this theorem is about all angles that derive form the intersection of one transversal line with a pair of parallels. Specifically, corresponding angles are those which are placed at the same side of the transversal, one interior to parallels, one exterior to parallels, like \angle 1 and \angle 5.

We also know that, by definition of linear pair postulate, \angle 3 and \angle 1 are linear pair. Linear pair postulate is a math concept that defines two angles that are adjacent and for a straight angle, which is equal to 180°.

They are supplementary by the definition of supplementary angles. This definition states that angles which sum 180° are supplementary, and we found that \angle 3 and \angle 1 together are 180°, because they are on a straight angle. That is, m \angle 3 + m \angle 1 = 180\°

If we substitute \angle 5 for \angle 1, we have m \angle 3 + m \angle 5 = 180\°, which means that \angle 3 and \angle 5 are also supplementary by definition.

4 0
3 years ago
Read 2 more answers
NEED ASAP!!!!!!!!!!!!. Multiply and express the result in scientific notation:
Snezhnost [94]
Your answer is 8.4 X 10^7.

Hope this helped!
4 0
3 years ago
Jamie has a rectangular room in her home with a width of 8 feet and a diagonal distance of 17 feet. Find the total area of the r
Grace [21]

Step-by-step explanation:

8²+x²=17²

74+ײ=289

x²=225

Sq root both sides

x=15

15×8=120 Sq ft

8 0
3 years ago
Which best describes the difference between Protestant and Catholic beliefs?
Natasha_Volkova [10]

Answer:

D. Protestant do not believe in the pope's authority.

Step-by-step explanation:

The most fundamental difference is that Protestants believe that everyone can directly communicate with God and the only authority is scripture, while Catholics believe that, in addition to everything else, there is also the authority of the church as a mediator between God and flock.

7 0
3 years ago
An online retailer charges $6.99 plus $0.55 per pound to ship electronics purchases.Write an equation to find how many pounds is
Helga [31]
11.94-6.99=4.95 4.95÷.55=9 9 pounds
4 0
3 years ago
Read 2 more answers
Other questions:
  • If you have 3 cups of pineapple juice and there is 20% of pineapple juice in your punch recipe, how many total cups of punch can
    10·1 answer
  • Which statement about the ordered pairs (–3, –3), (0, –3) and (3, –3) is not true?
    8·1 answer
  • Antoniais saving for a video game. On the first day, she saves two dollars in her piggy bank. Each day after that, she doubles t
    12·2 answers
  • The number of patients treated at Dr. White's dentist office each day for nine days is 10, 6, 4, 15, 6, 8, 6, 15, 4. Find the me
    7·1 answer
  • The graph below shows Roy's distance from his office (y), in miles, after a certain amount of time (x), in minutes: Graph titled
    7·1 answer
  • Suppose you scored 78,78,and 79 on the first three tests. Is it possible
    6·2 answers
  • At the track practice, Sam practiced running the hurdles for 1 hour and 25 minutes. Then he practiced the high jump for 20 minut
    7·1 answer
  • A thermometer shows a temperature of -20 3/4 degrees.
    12·2 answers
  • Earl runs 70 meters in 20 seconds. How many meters does Earl run per second
    9·2 answers
  • Which exponential function matches the table?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!