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
Lisa [10]
3 years ago
8

The mean age of 5 people in a room is 40 years. A person enters the room. The mean age is now 39. What is the age of the person

who entered the room?
Mathematics
1 answer:
IrinaVladis [17]3 years ago
6 0

Answer:

10 years old :)

You might be interested in
Find the values of the unknown angles marked with letters. 50 points!!!!!!!
IceJOKER [234]

Answer:

  • a = 115°, alternate interior angles are congruent
  • b = 70°, same as above
  • c = 180° - 115° = 65°, angles forming a straight angle are supplementary
  • d = 180° - 70° = 110°, same as above

3 0
3 years ago
Read 2 more answers
Making sense of multiplication and division equations
aliya0001 [1]

Yes this is true. Very true

8 0
3 years ago
What is the cost per unit called
lord [1]
A unit cost<span> is the total expenditure incurred by a company to produce, store and sell one </span>unit<span> of a particular product or service. </span>Unit costs<span> include all fixed </span>costs<span>, or overhead </span>costs<span>, and all variable </span>costs<span>, or direct material </span>costs<span> and direct labor </span>costs<span>, involved in production.</span>
4 0
2 years ago
Read 2 more answers
Write (2a)^4 without exponents
bagirrra123 [75]

Answer: 2a*4*4*4*4= x (Vote me brainliest please)

Step-by-step explanation: Exponents are simply telling you to multiply the base number or expression by that many times.

3 0
3 years ago
Read 2 more answers
What is a word problem for the equation 5 times n equals 20
djverab [1.8K]
5n=20 is the equation 5 times n equals 20

4 0
3 years ago
Other questions:
  • Lesson Check (4.NF.30) 1. Reggie is making a double-layer cake. The recipe for the first layer calls for 2. Kat 21 ups of sugar.
    12·1 answer
  • For the linear function f(x) = 7x - 4, find the range of f(x) at x = -2,0, and 2.
    6·1 answer
  • Classify each number below as a rational number or an irrational number
    8·1 answer
  • List the factors for 35
    11·2 answers
  • What is the difference of 23x and 9x?
    12·2 answers
  • What kind of mixture is a solution? a suspension? a colloid??
    14·1 answer
  • The mayor of a town has proposed a plan for the annexation of an adjoining community. A political study took a sample of 1000 vo
    9·1 answer
  • Write an algebraic expression for the<br>phrase below.<br>12 less than twice a number n<br>​
    12·2 answers
  • Help <br> Fjdjdjdjdjdjdjdjdjdj
    8·1 answer
  • What is the equation of a line that is paralel to — 3x + 4y = 4 and passes through the point (4, 0)?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!