answer.
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
tatiyna
2 years ago
14

At the beginning of the summer Matt swim 12 laps. At the end of the summer he could swim 15 laps. What is the percent increase i

n the number of laps Mat and swim?
Mathematics
1 answer:
aleksandr82 [10.1K]2 years ago
8 0
Percent change = (new number - old number)/(old number) * 100
A positive percent change is a percent increase.
A negative percent change is a percent decrease.

In this problem, we have:
The new number is 15 laps.
The old number is 12 laps.


percent change = (15 - 12)/(12) * 100

percent change = 3/12 * 100

percent change = 25

Since the percent change is positive, +25, it is a percent increase.

Answer: The percent increase is 25%

You might be interested in
Add 4 to n then divide by 5
Ket [755]
The equation used for this is

\frac{(4+n)}{5}=

if you knew n then we could solve this equation 
4 0
1 year ago
The following two sets of parametric functions both represent the same ellipse. Explain the difference between the graphs.
statuscvo [17]
The answer
ellipse main equatin is as follow:

X²/ a²   +  Y²/ b²  =1, where a≠0 and b≠0

for the first equation: <span>x = 3 cos t and y = 8 sin t
</span>we can write <span>x² = 3² cos² t and y² = 8² sin² t
and then  </span>x² /3²= cos² t and y²/8² =  sin² t
therefore,  x² /3²+ y²/8²  =  cos² t + sin² t = 1
equivalent to x² /3²+ y²/8²  = 1

for the second equation, <span>x = 3 cos 4t and y = 8 sin 4t we found
</span>x² /3²+ y²/8²  = cos² 4t + sin² 4t=1

7 0
2 years ago
Read 2 more answers
You are in a bike race. When you get to the first checkpoint, you are 25 of the distance to the second checkpoint. When you get
Rom4ik [11]

Question:

You are in a bike race. When you get to the first checkpoint, you are 2/5 of the distance to the second checkpoint. When you get to the second check point, you are 1/4 of the distance to the finish. If the entire race is 40 miles, what is the distance between the start and the first check point?

Answer: 4 miles

Step-by-step explanation:

Let distance between start to first checkpoint = x

First checkpoint to second checkpoint = 2/5 of x

Distance of start to checkpoint 1 = ( 2/5 of start to checkpoint 2)

Distance of start to checkpoint 2 = (1/4 of start to finish)

If start to checkpoint 2 = 1/4 of start to finish

Then,

Distance of start to checkpoint 1 = ( 2/5 * 1/4 of start to finish)

Distance of start to checkpoint 1 = 2/20 of start to finish = 1/10 of start to finish

Entire race = 40 miles = distance from start to finish

1/ 10 of 40

= ( 1/10) × 40

= 4 miles

6 0
2 years ago
Ben says 7 9/100 must be less than 7. 2/10 because 9 hundredths is less than 2 tenths. Do you agree? Draw a line to support your
Marrrta [24]

Yes, I cannot draw a line because this is online. Sorry

5 0
1 year ago
Answer 0.1 is equal to or less than 5.00 plz hurry up!
Wittaler [7]
Yes, 0.1 is less than 5.00. 

5.00 is a whole number, while 0.1 is less than that, so yes, you were correct.

Have a nice day! :)
7 0
1 year ago
Other questions:
  • Put points A, B, C, and D on a line consecutively, so that AB = BC = CD = 6 in. Find the distance between points M and N, the mi
    15·2 answers
  • Find the area of ΔAOB<br><br> 3√3 un2<br> 4.5√3 un2<br> 9√3 un2
    10·1 answer
  • Two workers produced 86 parts and the first one produced 8 more parts than the second one. How many parts did each worker produc
    15·2 answers
  • Which expression is equivalent to x Superscript negative five-thirds? StartFraction 1 Over RootIndex 5 StartRoot x cubed EndRoot
    12·2 answers
  • By what factor does the intensity increase for each whole number increase in the Richter scale? Use your understanding of logari
    14·2 answers
  • The shuttle bus from your parking lot and your office building operates on a 15 minute schedule. You arrive at the parking lot a
    13·1 answer
  • A person invests 9500 dollars in a bank. The bank pays 5.75% interest compounded quarterly. To the nearest tenth of a year, how
    5·1 answer
  • At a particular restaurant, each onion ring has 70 calories and each slider has 200 calories. A combination meal with onion ring
    7·1 answer
  • Greta is taking a road trip from Cincinnati to San Francisco. On the first day, she drove 650 miles in 10 hours. On the second d
    9·1 answer
  • A store purchased a digital camera and marked it up 100% from the original cost of $863.57. A week later, the store placed the d
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!