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
Harman [31]
3 years ago
5

Mark's brother is five years or than mark. thier ages combinded adds up to 23. How old is mark

Mathematics
2 answers:
Serjik [45]3 years ago
7 0

Answer: 15

Step-by-step explanation:

drek231 [11]3 years ago
6 0

Answer:

18

Step-by-step explanation:

Mark is 18 years old.

You might be interested in
A school buys games for 6 classrooms. It buys 3 board games 4 puzzles games and 1 video game for each class room how many games
Snowcat [4.5K]

3+4+1 for each class so it's 8

8 x 6 for all the classrooms so it's 48.  The school buys 48 games

6 0
3 years ago
Read 2 more answers
Match the rates and unit rates.
lesya692 [45]
first box - $2.90 per pound
second- $2.50 per pound
third- $2.98 per pound
fourth- $2.00 per pound
6 0
3 years ago
How do i calculate percent accuracy? I got 20 questions out of 21 correct but I need to figure out the percent accuracy for anot
Mandarinka [93]
You need to do 20 divide by 21 to get a decimal. Then if you multiply the decimal by hundred you should get the percentage.
7 0
3 years ago
Which value is NOT equivalent to 135%?
Margarita [4]
D. 100/135 the rest of them equal 135%
4 0
3 years ago
Answer the question bye 11:15 please please please
Ad libitum [116K]

Answer:

1. 210 m³

2. 320 in³

3. 189 m³

4. 150 cm³

5. 576 ft³

6. 240 m³

7. 220 cm²

8. 150 ft²

9. 132 in²

10. 592 m²

Step-by-step explanation:

Volume = l × w × h

Area = 2 (wl + hl + hw)

Volume is always cubed.(³)

Area is always squared (²)

Plug it in.

3 0
3 years ago
Other questions:
  • What is 8 (5x + 3) ?
    11·2 answers
  • Will give brainliest to person who answers first. Much appreciated:)
    13·2 answers
  • Help<br> Which expression is the completely factored form of 27x^3+y^6?<br> In parenthesis form
    5·1 answer
  • 5 ( y - 4)=7 (2y +1) Can someone help me out by solving for Y Thanks
    10·1 answer
  • Absolute value of -6
    6·2 answers
  • WILL GIVE BRAINLIEST!!​
    10·1 answer
  • What percent is equivalent to 3/10
    14·2 answers
  • Jerome wrote the following scenario to match the algebraic expression
    15·2 answers
  • What is the value of d+3
    6·1 answer
  • Can anyone please help me I know it’s right I don’t know why it’s staying it’s wrong
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!