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
algol [13]
3 years ago
6

Express using algebra. Jane is 3 years older than Mary, and Mary is twice as old as Kay. If Kay is x years old, how old is Jane?

Mathematics
1 answer:
krok68 [10]3 years ago
5 0
Kay = x

Mary is twice as old as Kay
⇒ Mary = 2x

Jane is 3 years older than Mary
⇒ Jane = 2x + 3

Answer: 2x + 3
You might be interested in
A young person decides to put aside some money for retirement by putting $1,000 in a 30-year savings bond that pays 3.0% simple
Pavel [41]

Answer:

2427.26 $

Step-by-step explanation:

Just use this formula when you have such type of problems:

N = N° (1 + %)^t

Where N = final amount

           N°= initial amount

           t = peroid of time

Now let's solve:

N = 1000(1 + 0.03)^30

N = 2427.26

5 0
2 years ago
The ratio of teachers needs to be 1:30. If there were 120 students, how many teachers would be needed?
mezya [45]

Answer:

4:120

Step-by-step explanation:

for 120 student they would be 4 teacher needed per 30 student

4:120

4 0
3 years ago
Easy 50 points, one multi choice question
kotegsom [21]
D is the correct answer
6 0
3 years ago
Read 2 more answers
Can anyone help please
Murrr4er [49]

Answer:

i dont know im sorry

Step-by-step explanation:

3 0
3 years ago
The population of center city is modeled by exponential function f, where x is the number of years after the year 2015
Vladimir [108]

Find the ratio of the area to the square radius for each circle.

6 0
3 years ago
Other questions:
  • Solve system by addition. 3x=2y+10 9y=3x-7
    9·1 answer
  • Simplify.(3x^8z^2)^4
    12·1 answer
  • SCREENSHOT OF MY QUESTION:
    10·1 answer
  • Which is the estimate of 2584?
    13·1 answer
  • Determine the root of the equation
    13·1 answer
  • Find two integers whose sum is -8 and product is -48
    9·1 answer
  • If your going through a tuff time stop and read this!!!!
    12·2 answers
  • 4) Jose paid $4.98 in sales tax on an item that cost $62 before tax.
    11·2 answers
  • Need help on this please help
    14·1 answer
  • Una caja de 25 newtons se suspende mediante un cable con diámetro de 2cm¿cuál es el esfuerzo aplicado al cable?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!