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
Slav-nsk [51]
3 years ago
10

According to one mathematical model, the average life expenctancy for American men born in 1900 was 55 years. Life expectancy ha

s increased by about 0.2 year for each birth year after 1900. If this trend continues, for which birth year will the average life expentancy be 73 years?
Mathematics
1 answer:
Rudik [331]3 years ago
8 0

Answer:

If this trend continues, life expectancy will be 73 years in the year 1990

Step-by-step explanation:

Hi

first of all, we build a model with the knowns of the problem, so we have LifeExpectancy=LE(x)=55+0.2x, x in years after 1900, then  we have

73=55+0.2x as we isolate for x, x=\frac{73-55}{0.2}=90, finally, we obtain that the birth year which the average life expectancy will be 73 years is 1990

You might be interested in
What is the value of y¹ when y = 5 and x - 10?​
Mrrafil [7]

Answer:

5

Step-by-step explanation:

y^1 = 5^1 (y = 5)

Anything raised to the power of 1 is just itself.

So, 5^1 = 5

8 0
1 year ago
HELP ASAP!!!! i"M TIMED!!!!What does "IFF" mean when used in a biconditional statement?
hodyreva [135]
Therefore, the sentence "A triangle is isosceles if and only if it has two congruent (equal) sides" is <span>biconditionaL</span>
5 0
3 years ago
Read 2 more answers
The model below represents the equation shown. What is the value of x?
Angelina_Jolie [31]

Answer:

Step-by-step explanation:

4 0
3 years ago
Please help, 10 points &lt;——- and will mark Brainly
Kamila [148]

Answer:

chicken and chicken

Step-by-step explanation:

just took the test

8 0
2 years ago
The diameter of a circle is 15 in. Which measure below cannot be a chord on the same circle?
diamong [38]
It's c 18, because the diameter is the longest chord so it would be greater than 15.
6 0
3 years ago
Other questions:
  • Give the coordinates of the unknown vertex of JKLM and graph
    13·1 answer
  • How do i use distributive property to rewrite 4x (25 + 4)???
    7·2 answers
  • Answer to the question
    7·1 answer
  • A stone is dropped from the edge of a roof, and hits the ground with a velocity of -185 feet per second. How high (in feet) is t
    11·2 answers
  • The exact value of cos 5pi/12 is:
    9·1 answer
  • YOO I NEED HELP
    12·1 answer
  • What is the factored form of 35y + 21?
    13·1 answer
  • Michael has $1,000.95 in his checking account. He is going to spend $472.87 on a new television, and he will spend the rest on s
    15·1 answer
  • What are the values of​ x, y, and​ z?
    5·1 answer
  • ¿Cuánto recorre aproximadamente una rueda que da 60 vueltas si ésta tiene un radio de 0.20 m?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!