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
Alla [95]
2 years ago
9

3y + x = 12 What is the value of x when y = 3?

Mathematics
1 answer:
Andre45 [30]2 years ago
6 0

Step-by-step explanation:

3y + x = 12

When y = 3, we have 3(3) + x = 12.

=> 9 + x = 12, x = 3.

You might be interested in
David rolls a number cube fifty times. The number 4 comes up twelve times. The number 3 comes up eight times. What is the experi
Maurinko [17]

Answer:

40%.

Step-by-step explanation:

Prob( Rolling a 4) = 12/50

Prob( Rolling a 3) = 8/50

When the combined probabilities contain  an 'OR' we Add the probability values:

Probability of a 3 or a 4  

= 12/50 + 8/50

= 20/50

= 2/5

= 40%.

5 0
3 years ago
Read 2 more answers
A. Is this an arithmetic sequence? How do you know?
pogonyaev

Answer:

a. Yes. The difference is common and equal to $1750

b. $1750

c. $20000 was initial investment

d. This is linear equation with start point of 20000 and slope of 1750:

  • y = 1750x + 20000

e. After another 10 years (on the top of 5 given) the investment will be:

  • y = 1750*15 + 20000 = $46250

f. After 20 years the value of investment will be:

  • y = 1750*20 + 20000 = $55000
7 0
3 years ago
Please Help me on this question
zlopas [31]

Answer:

yellow

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Please I really need this answer doing cumulative exam!!!
ivanzaharov [21]

An equation is formed of two equal expressions. The correct option is x+y=557 and Three-fifths(x)+five-sixths(y)=407.

<h3>What is an equation?</h3>

An equation is formed when two equal expressions are equated together with the help of an equal sign '='.

Let the total number of pages in the shorter book be represented by x, and the total number of pages in the longer book be represented by y.

Given the total number of pages of the shorter book and the longer book is  557. Therefore, the equation can be written as,

x+y =557

Also, Scott reads Three-fifths of the shorter book and StartFraction 5 Over 6 EndFraction of the longer book, which is equal to 407 pages. Therefore,

(3/5)x + (5/6)y = 407

Hence, the correct option is x+y=557 and Three-fifths(x)+five-sixths(y)=407.

Learn more about Equation:

brainly.com/question/2263981

#SPJ1

6 0
2 years ago
help me (a) The total cost of rent is determined by recording x months of rent at $1400 per month, plus a $150 application fee.
xxTIMURxx [149]

Answer:

$1400x  + $150

Step-by-step explanation:

Let the total cost of rent used for a month be $1400 plus a $150 application fee.

This means that;

Total cost (1 month) = $1400(1) + $150 = $1550

TO calculate the cost for x months, we will simply multiply x with the cost of rent for 1 month as shown.

The cost of rent for x month = 1400x * $150

The cost of rent for x month = $1400x  + $150 (application fee are paid only once)

6 0
2 years ago
Other questions:
  • Quadrilateral LMNO is transformed according to the rule T(–2, 4). What are the coordinates of L’?  (3, –3) (3, 5) (9, –1) (9, 3)
    10·2 answers
  • The ratio of the side lengths for a triangle is exactly 9:12:15. In another triangle, which is similar to the first, the shortes
    15·1 answer
  • An outlier is often defined as a number that is more than 1.5 times the interquartile range below the first quartile or above th
    9·1 answer
  • How do you convert 2.5 km to meters??
    8·1 answer
  • What is the perimeter of this polygon?
    13·1 answer
  • A turtle traveled 10 feet in 30 minutes. At this rate, how far could it travel in 7 minutes?
    11·1 answer
  • Indicate the general rule for the arithmetic sequence with a3 = -12 and a8 = -37
    12·1 answer
  • Name the angle relationship. Find the measure of angle b.
    6·2 answers
  • Solve the equation. Show your work, or explain your reasoning.<br><br> -3x - 5 = 16
    5·1 answer
  • Answer quickly please !!
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!