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
svetlana [45]
3 years ago
8

A dance competition on television had five elimination rounds. After each elimination, only one-fourth of the contestants were s

ent to the next round. The table below shows the number of contestants in each round of the competition: x 1 2 3 4 5 f(x) 512 128 32 8 2 Compute the average rate of change of f(x) from x = 2 to x = 4 and describe what it represents.
−60 contestants per round, and it represents the average rate at which the number of contestants changed from the second round to the fourth round

−120 contestants per round, and it represents the average rate at which the number of contestants changed from the second round to the fourth round

−60 contestants per round, and it represents the number of contestants who will reach the final round

−120 contestants per round, and it represents the number of contestants who will reach the final round
Mathematics
2 answers:
ella [17]3 years ago
6 0

Answer:

A

Step-by-step explanation:

creativ13 [48]3 years ago
4 0
When x =2, f(x) = 128
When x = 4, f(x) = 8

The changing rate is \frac{8-128}{4-2}= \frac{-120}{2}=-60

This changing rate represents the decrease of the number of contestants as the competition approaches the final.

Correct option is the first option
<span>
−60 contestants per round and it represents the average rate at which the number of contestants changed from the second round to the fourth round 
</span>
You might be interested in
3# Find the missing variable (s). Round to the nearest tenth.
rewona [7]

Answer:


Step-by-step explanation:


This triangle is already positioned to match trig functions (also known as circular functions).


Point A is origin, side AC (length x) is on X axis,

side CB (length y) is parallel to Y axis.


***** You just remember *****


cos is horizontal, on X axis,

sin is vertical, on Y axis.

To get from unit triangle with hypotenuse 1,

horizontal side cos(θ), vertical side sin(θ), you multiply all sides by same number, namely, the specified length of the hypotenuse.


***** that's all you need to know *****


Draw a unit circle centered at A, mark point Y at intersection of circle and AB, and drop a vertical line from Y crossing X axis at X.


Then radial segment AY is 1, AB is 10

horizontal segment AX is cos(32°), AC is 10AX

vertical segment XY is sin(32°), CB is 10XY.


So x = 10 cos(32°), y= 10 sin(32°).




7 0
3 years ago
The expression 100 + 20m100+20m100, plus, 20, m gives the volume of water in Marcel’s pool (in liters) after Marcel spends mmm m
Nady [450]
All you have to do is you only need to evaluate the given equation which is:100 + 20m where m would be the number of minutes = 5 1/4 minutes
100 + 20 (5 1/4) 
= 100 + 105 
= 205 cubic liters is the volume of water in Marcel’s pool after he fills it.
8 0
3 years ago
How do I set up an equation
tiny-mole [99]

the equation here would be set up by doing

44.4 - 10.9 = 33.5

Carlsbad caverns is 33.5 kilometers long.

6 0
3 years ago
Read 2 more answers
A) y= 3x + 10<br> B) y= 3x + 60<br> C) y= 4x + 5<br> D) y= 4x + 35
Afina-wow [57]

Answer:

d or a

Step-by-step explanation:

50/55/100/105/.................

6 0
3 years ago
What is the perimeter of the triangle?<br>​
ivolga24 [154]

Answer:

The perimeter of this triangle should be 34 units.

4 0
3 years ago
Read 2 more answers
Other questions:
  • How to solve? Sarah has a $100 she gave 3/4 of the money to her sister. She gave a 1/2 of the rest of the money to her friend. H
    13·1 answer
  • Perpendicular lines intersect to form right angles. What is true about the statement? Check all that apply. The hypothesis is “i
    10·1 answer
  • I need help on number nine. Please answer ASAP this is homework needing to be turned in tommorow.
    6·1 answer
  • The 10 random numbers between 1 and 80 are​
    8·1 answer
  • What is the slope of line t?
    13·1 answer
  • Thefirstassignmentinastatisticalcomputingclass involves running a short program. If past experience indicates that 40% of all st
    13·1 answer
  • A hot air balloon descends from an altitude of 2,000 feet at a constant rate of 90 feet per minute. The graph shows the altitude
    8·1 answer
  • Based on the scatterplot, what is the best prediction of the foot length for a person who has a head diameter of 54 centimeters?
    7·1 answer
  • URHENT I NEED HELP WITH THESE I NEED THE FIRST QUESTION.
    10·1 answer
  • Which number sentence is represented by this model?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!