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
fiasKO [112]
3 years ago
15

Question 2 Unsaved A person’s theoretical maximum heart rate (in heartbeats per minute) is 220 - x where x is the person’s age i

n years (20 ≤ x ≤ 65). When a person exercises, it is recommended that the person strive for a heart rate that is at least 50% of the maximum and at most 75% of the maximum. The system of linear inequalities that describes the given information is y>120-1/2x (for 50% max heart rate) and y<165-3/4x (for 75%). B. 40-year-old person has a heart rate of 158 heartbeats per minute when exercising. Is the person’s heart rate in the target zone? Explain
Mathematics
1 answer:
Lera25 [3.4K]3 years ago
4 0

did you find the answer?


You might be interested in
How many times dose 25 go into 150
alexandr1967 [171]
The answer is 6.
4 quarters is 1 dollar right?
and if you add 2 more, it will be $1.50
This is the easiest way to memorize how to multiply using the number 25.
8 0
3 years ago
Read 2 more answers
Three times a number, added to 9 is 33 find the number
kozerog [31]
3 x 8 = 24 
24 + 9 = 33

"the number" = 8
6 0
3 years ago
Read 2 more answers
Please help thank you!
Arte-miy333 [17]

Answer:

  • golf: $10
  • batting: $2.50

Step-by-step explanation:

We can write two equations in the two unknowns using the given relations. Let g and b represent the costs of a round of golf and a turn in the batting cage, respectively.

  5g +4b = 60 . . . . . Sylvester's expense

  3g +6b = 45 . . . . . Lin's expense

Dividing the second equation by 3 gives ...

  g +2b = 15   ⇒   2b = 15 -g

Substituting into the first equation, we have ...

  5g +2(2b) = 60

  5g +2(15 -g) = 60 . . . . . substitute for 2b

  3g = 30 . . . . . . . . . subtract 30, collect terms

  g = 10 . . . . . . . divide by 3

__

  2b = 15 -10 = 5 . . . . use the value of g to find b

  b = 2.5 . . . . . . . . divide by 2

Mini golf costs $10 per round; batting cages cost $2.50 per turn.

7 0
2 years ago
Which number is a solution of the inequality x less-than negative 4? Use the number line to help answer the question.
arsen [322]

Answer:

-5 it is

Step-by-step explanation:

8 0
3 years ago
4. Find the length of side EG.
olchik [2.2K]

Answer:

42 cm

Step-by-step explanation:

the first triangle is 7 times bigger than the second triangle. ( 4 x 7 = 28)

so to find out line EG, you times 6 cm by 7. which is 42

3 0
3 years ago
Other questions:
  • 4 times a number cubed
    14·1 answer
  • 10 points for this! btw it’s really easy to some people so yea
    13·2 answers
  • How long will it take the ball to reach the ground
    8·1 answer
  • The maximum weight that a rectangular beam can support varies jointly as its width and the square of its height and inversely as
    12·1 answer
  • The equation y=-7x-5 and the solution of (-2,9)
    6·1 answer
  • Can somebody please help me with these 2 problems?
    11·1 answer
  • Write 3/2 using a fractional exponent.
    12·1 answer
  • SOMEONE HELPPP MEEE OUTTT PLEASEEEE!!!
    10·2 answers
  • Solve for X<br>2x+5=x-10<br>​
    5·1 answer
  • Each large rectangle below represents one whole.
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!