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
just olya [345]
3 years ago
13

How do I do #12? Please show all work. Please help!

Mathematics
1 answer:
hammer [34]3 years ago
5 0

You have the ratio set up correctly:

2x+2/12 = x+3/21

Now cross multiply:

2x+2 * 12 = x+3 * 21

Simplify:

24x + 24 = 21x + 63

Subtract 24 from each side:

24x = 21x + 39

Subtract 21x from each side:

3x = 39

Divide both sides by 3:

x = 39/3

x = 13

You might be interested in
Plzzz help I will give you 25 points
LuckyWell [14K]
Pretty sure the answer is 77
5 0
3 years ago
Read 2 more answers
The slope of a line is -1/5 and the y intercept is 5. What is the equation of the line written in slope-intersept form?
vagabundo [1.1K]
Y = -1/5 + 5 is the equation
6 0
3 years ago
Read 2 more answers
Please Help me solve this (Who ever answers correctly will get brainlest)
o-na [289]

Answer:

1.52

……………………………………………………

5 0
2 years ago
Read 2 more answers
Teresa's restaurant bill comes to $29.99 before tax. If the sales
vivado [14]
The answer is $37.86 !! hope this helps
4 0
3 years ago
The measure of b is..
sladkih [1.3K]

Answer:

b =21

Step-by-step explanation:

Since this is a right triangle, we can use the Pythagorean theorem

a^2 + b^2 = c^2 where a  and b are the legs and c is the hypotenuse

20^2 + b^2 = 29^1

400 + b^2 =841

Subtract 400 from each side

b^2 = 441

Take the square root of each side

sqrt(b^2) = sqrt(441)

b =21

7 0
3 years ago
Read 2 more answers
Other questions:
  • (10,17),(7,8) slope?
    7·2 answers
  • What is the number if 5 is added to its twice the sum will be 25?​
    15·2 answers
  • Jada uses 4cm tall bricks to build her tower.Her final tower is 80 bricks high.How many cm tall is it?
    11·2 answers
  • a volley ball player servers the ball. The ball follows a path given by the equation y=-0.01x^2+0.5x+3 where x and y are measure
    9·1 answer
  • Help please ANYBODY ?
    5·1 answer
  • There are 2 questions pls answer both asap
    11·1 answer
  • What are fractions? Plz help
    10·2 answers
  • I NEED HELP ASAP
    14·2 answers
  • PLEASE HELP ME WITH QUESTIONS 1 AND 2! NO LINKS OR SPAMS!!! THANKS!!!!!!!!!​
    11·1 answer
  • Calories Used While Swimming for 30 Minutes
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!