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
stepan [7]
3 years ago
15

Please help, I can't fail this!

Health
2 answers:
hoa [83]3 years ago
6 0
The heart rate reserve is equal to the difference between maximum heart rate and resting heart rate. Maximum heart rate is usually calculated by:
Hmax = 220 - age
Hmax = 220 - 40 = 180
HRR = Hmax - Hrest
HRR = 180 - 75
= 105
The answer is B
fomenos3 years ago
5 0
Resting rate - maximum rate.

40 year old - 220 maximum rate
180 - resting rate 
180 - 75 = 
105 
B

You might be interested in
Branliest to correct answer please only answer if you know for sure no guessing :)
andrew-mc [135]

Answer:

A

Explanation:

melanoma occurs when the pigment-producing cells that give color to the skin become cancerous.

6 0
3 years ago
Read 2 more answers
Raquel recently received a poor grade on a school assignment. Her mother has noticed that Raquel is staying up late at night and
antiseptic1488 [7]
Losing appetite, receiving bad grades, hiding in her room,
5 0
3 years ago
Read 2 more answers
Does the corona virus harm the vagus nerve?
Nataly_w [17]

Answer:

The coronaviruses can cause nerve damage through direct infection

Explanation:

I would say, maybe.

7 0
3 years ago
Owning provides _________ flexibility but can lead to _________ costs in the long-term.
Aleksandr [31]
Owning provides a greater flexibility but can lead to lower costs in the long-term.
8 0
3 years ago
Read 2 more answers
If 2 out of 10 people are gay how many lesbains would there be out of 100 and how many gay's would there be out of 100? Please e
gayaneshka [121]

Answer:

20 i got this because simple math u can use a calculator or piece of paper for this

Explanation:

7 0
3 years ago
Read 2 more answers
Other questions:
  • What are some good songs for this generation...
    6·2 answers
  • 8.
    11·1 answer
  • 20.20
    12·1 answer
  • The blood in the left side of the heart is oxygenated/deoxygenated.why is this logical?
    13·1 answer
  • 100 POINTS. HELP ME.
    8·2 answers
  • ATTENTION!!!!!
    11·2 answers
  • Whitney is at a crossroads in her life and is looking for additional avenues to explore her interests. A friend encourages her t
    11·1 answer
  • Which of the following are aspects of health that make up wellness?
    9·2 answers
  • A doctor confirms that an individual has HIV. Which treatment will the doctor most likely prescribe?antibiotic medicationantiret
    7·1 answer
  • Need help with this SOON AS POSSIBLE please
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!