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
ehidna [41]
3 years ago
6

Melanie counted her heartbeats after running her marathon. In 20 seconds, she counted 53 heartbeats. At

Mathematics
1 answer:
Elis [28]3 years ago
8 0

Answer:

159

Step-by-step explanation:

You might be interested in
Solve the system by substitution.<br> -8x – 7y = -5<br> -x = y
Lapatulllka [165]

Substitute y = -x into the first equation:

-8x - 7(-x) = -5

-8x + 7x = -5

-x = -5

x = 5

Substitute x = 5 into y = -x

y = -(5)

y = -5

Answer: x = 5, y = -5

6 0
3 years ago
Read 2 more answers
Which of the following is false?
Vladimir [108]
A triangle can be drawn with exactly one acute angle is false (assuming the triangle is drawn on a 2-dimensional plane).
4 0
3 years ago
Read 2 more answers
5y = 10x + 15<br> convert to slope-intercept form
Evgesh-ka [11]

Answer:

y = 2x + 3 is the answer

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
Pls help fast need ASAP
barxatty [35]

Answer: tan62 = 10/x

Step-by-step explanation: Let me know if you need an explanation.

3 0
3 years ago
PLEASE I BEG FOR HELP! Find mKNL A. 247 B. 184 C. 196 D. 264
fiasKO [112]

Answer:

D. 264°

Step-by-step explanation:

When a tangent and a secant, two secants, or two tangents intersect outside a circle then the measure of the angle formed is one-half the positive difference of the measures of the intercepted arcs. Therefore,

60° = 1/2[(18x - 6)° - (5x +17)°]

60° * 2 = (18x - 6 - 5x - 17)°

120° = (13x - 23)°

120 = 13x - 23

120 + 23 = 13x

143 = 13x

143/13 = x

11 = x

x = 11

(18x - 6)° = (18*11-6)°= (198 - 6)° = 192°

(5x +17)° = (5*11 +17)° =(55+17)° = 72°

m (arc KNL) = (18x - 6)° + (5x +17)° = 192° + 72°

m (arc KNL) = 264°

7 0
3 years ago
Other questions:
  • What is the place value of the 4 in 12.47
    11·2 answers
  • I need help finding out the answer
    11·2 answers
  • Number 6 and 8 thx :)))))
    11·2 answers
  • 6x89+93=<br> please it wont be mean<br><br><br><br> zoo/m???
    10·2 answers
  • Plzz help ill make u brainliest
    12·2 answers
  • Which number is irrational?<br><br> Did I get it correct plz help....
    7·2 answers
  • Micheal is three time as old as Jean in seven year he will be twice old as she will be then how old are they both
    10·1 answer
  • What type of triangle is given by the points D(1,1), E(3,8) and F(5,1).
    8·1 answer
  • Work out the circumference of this circle.
    6·2 answers
  • - 6 * 1/3=?please type the equation and simplify if possible
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!