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
Free_Kalibri [48]
3 years ago
11

The graph represents a person’s heart rate in beats per minute during 30 minutes of exercise.

Mathematics
2 answers:
Ronch [10]3 years ago
8 0

Answer:

The Answer is C: The heart rate increases for 6 minutes, remains constant for 19 minutes, and then gradually decreases for 5 minutes. :)

Juliette [100K]3 years ago
4 0

GOOD

LUCK

CHUCK

:))))))))

You might be interested in
What is the value of x in the circle below? If necessary round your answer to the nearest tenth. I AM FAILING THIS CLASS I JUST
emmainna [20.7K]
Since we know that the 38 is being bisected (which we can tell by the fact that the line hits it perpendicularly), we know that from the intersection to the edge of the circle is 19. From this we can create a right triangle in which the legs are 10 and 19 and the hypotenuse is a radius of the circle. Since x is also a radius of the circle, all we have to do is use that information to find the hypotenuse using the Pythagorean Theorem and we have x. 

Pythagorean Theorem
a^{2} + b^{2} = c^{2}
10^{2} + 19^{2} = x^{2}
100 + 361 = x^{2}
461 = x^{2}
x = \sqrt{461} or about 21.47
8 0
3 years ago
Read 2 more answers
If 3 workers can paint a room in 2 hours, then approximately how long does it take 4 workers to paint the same room? Assume the
Olin [163]

It takes 1.5 hours for 4 workers to paint the same room

<em><u>Solution:</u></em>

Given that 3 workers can paint a room in 2 hours

To find: Time taken for 4 workers to paint the same room

Assume the time needed to paint the room is inversely proportional to the number of worker

time $ \propto \frac{1}{\text { number of workers }}\\\\time =k \times \frac{1}{\text { number of workers }}

Where, "k" is the constant of proportionality

<em><u>3 workers can paint a room in 2 hours</u></em>

Substitute number of workers = 3 and time = 2 hours

time =k \times \frac{1}{\text { number of workers }}\\\\2 = k \times \frac{1}{3}\\\\k = 6

Therefore,

\text {time}=6 \times \frac{1}{\text { number of workers }}

To find time taken for 4 workers to paint the same room, substitute number of workers = 4 in above expression

time = 6 \times \frac{1}{4} = 1.5

Thus it takes 1.5 hours for 4 workers to paint the same room

6 0
3 years ago
Read 2 more answers
Calvin has 13 coins , all of which are quarters and nickels. The coins are worth $2.45. How many of each coin does Calvin have ?
zalisa [80]

Answer:

Step-by-step explanation:

6 0
3 years ago
What is the value of x in the diagram?
dalvyx [7]

Answer:

x = 30

Step-by-step explanation:

here 50 is hypotenuse as it is opposite of 90 degree.

x and x + 10 are the two other smaller sides of a right angled triangle respectively.

using pythagoras theorem,

a^2 + b^2 = c^2

x^2 + (x + 10)^2 = 50^2

x^2 + x^2 + 20x + 100 = 2500

2x^2 + 20x + 100 = 2500

2x^2 + 20x + 100 - 2500 = 0

2x^2 + 20x - 2400 = 0

2(x^2 + 10x - 1200) = 0

x^2 + 10x - 1200 = 0

x^2 + (40 - 30) - 1200 = 0

x^2 + 40x - 30x - 1200 = 0

x(x + 40) - 30(x + 40x) = 0

(x + 40)(x - 30) = 0

either x + 40 = 0          OR x - 30 = 0

x = 0 - 40

x = -40

x - 30 = 0

x = 30

x = -40,30

since the length and distance is not measured in negative ur answer will be 30

credit goes to sreedevi102

thank u very much . At first i was wrong and giannathecookie i m really sorry

3 0
3 years ago
Read 2 more answers
Anything times 1 is 1 right or no
irina1246 [14]
No because ex:1times5=5 because 1 goes into 5 fiverimes
3 0
3 years ago
Read 2 more answers
Other questions:
  • —бу – 3 = 3 – бу<br><br> No solution <br> All real numbers <br> I need the answer quickly!!
    15·1 answer
  • What is the greatest common factor of 6a, 8a^2, and 14?
    15·2 answers
  • Need help with solving and understanding
    7·1 answer
  • Given that f(x) = x2 + 12x + 35 and g(x) = x + 7, find (f:g)(x) and express
    8·1 answer
  • 8x - 3y, using x = 5 and y = 2
    14·1 answer
  • Can someone help me pls on this question
    11·1 answer
  • I NEED HELP ASAP!<br> What is the scale factor?
    13·2 answers
  • 1.11t can be written as (1.111/12)12t to give the monthly interest rate based on an annual rate of 11%. Transform the expression
    5·1 answer
  • HELP, I WILL GIVE BRAINLIEST!!!!! (ignore my writing)​
    15·2 answers
  • Suppose you and your friends form a band and you want to record a demo. Studio A rents for $75 plus $75 an hour and Studio B
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!