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
denpristay [2]
3 years ago
8

If three times a number added to 8 is divided by the number plus 7, the result is four thirds. Find the number.​

Mathematics
1 answer:
Marina86 [1]3 years ago
5 0

9514 1404 393

Answer:

  4/5

Step-by-step explanation:

The wording is ambiguous, as it often is when math expressions are described in English. We assume you intend ...

  \dfrac{3n+8}{n+7}=\dfrac{4}{3}\\\\3(3n+8)=4(n+7)\qquad\text{multiply by $3(n+7)$}\\\\9n+24=4n+28\qquad\text{eliminate parentheses}\\\\5n=4\qquad\text{subtract $4n+24$}\\\\\boxed{n=\dfrac{4}{5}}\qquad\text{divide by 5}

The number is 4/5.

You might be interested in
Please help i need an A
Basile [38]

Answer:

(1) 820

(2) 1920

Step-by-step explanation:

(1) solving 20 x 41, using associative property.

20 * 41  = (2 x 10) x 41  = 2 x (10 x 41)

             = 20 x 41         = 2 x 410

             = 820              =  820

(2) distribute 32 as 30 + 2 and solve.

     60 x 32

  = 60 x (30 + 2) = 60(30) + 60(2)

                        = 1800 + 120

                        = 1920

             

3 0
3 years ago
Your class has 26 students, which represents 5% of your school's enrollment. Your friend uses the proportion 5/100 =n/26 to find
dedylja [7]
26 is a part of the whole. the proportion should be set up:

(26/x) = (5/100) It's the overall enrollment that is being asked.

If you also need to solve: Cross multiply, 26(100) = 5x, 2600 = 5x, divide both sides by 5, 520 is the enrollment
7 0
3 years ago
The value of y when x=5
Molodets [167]
D. 35 is the answer. Since we know that 14=2k based on the knowledge given in the first part of the equation, we can solve for K. We learn that K=7. Then, we can substitute K into the second equation: y=(7)(5) which is 35.
8 0
3 years ago
Which fraction is larger 7/16 or 51/100?
zaharov [31]
51/100 would be larger
From the first look, I already know half of 100 is fifty and 51 is greater than that
So when I looked at 7/16, I was looking for something greater than half, but 7 is greater than half of 16.
51/100 is your answer
5 0
3 years ago
Read 2 more answers
If you could help I would really appreciate it, but if not that’s fine. Thank you.
Alexus [3.1K]
Since 2 is less than or equal to 2, you input it into the first equation!

3•(2) -5
6-5
1

The answer is 1!
8 0
3 years ago
Other questions:
  • The high-school football team scored 19 points on touchdowns (worth 7 points if you count the extra point) and field goals (wort
    7·1 answer
  • Which of the following quantities is the largest?
    6·2 answers
  • How I would I do number 3
    8·2 answers
  • Each number in a list of numbers can be found using the expression 6 − 23(n − 1), where n is a positive integer that gives the p
    13·1 answer
  • Someone please answer correctly
    13·1 answer
  • What is 9 superscript 7 written in expanded form? 9 + 9 + 9 + 9 + 9 + 9 + 9 9 times 9 times 9 times 9 times 9 times 9 times 9 7
    10·2 answers
  • Adult tickets for a movie cost $4.50 and children’s tickets cost two dollars there are 120 people at the movie ticket sales amou
    6·1 answer
  • Is it a b c or d ? please help i’m doing iready testing
    8·1 answer
  • I need help. hehe.<br><br> Please and thankyou :DDD
    6·1 answer
  • Assume the following values for the diagrams below: Q1 = 15 bags. Q2 = 10 bags. Q3 = 22 bags. The market equilibrium price is $2
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!