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
Marat540 [252]
3 years ago
6

Tate scored 5 points higher on his midterm and 13 points higher on his final than he did his first exam. If his mean score was 9

0 what was his score on the final exam?
Mathematics
1 answer:
ivolga24 [154]3 years ago
3 0

Answer:

Juan scored 84 points on his first exam.

Step-by-step explanation:

---- ASSUMPTIONS: First Exam = X Midterm Exam = X + 5 Final Exam = X + 13 Mean Average Score for the 3 exams above = 90 ---- SOLUTION: 90 = [X + (X + 5) + (X + 13)] / 3 90 * 3 = [X + (X + 5) + (X + 13)] 270 = 3X + 18 270 - 18 = 3X 252 = 3X 252 / 3 = X 84 = X Conclusion: Juan scored 84 points on his first exam. (See below for proof) ---- PROOF: First Exam = X = 84 Midterm Exam = X + 5 = 89 Final Exam = X + 13 = 97 Mean Average of 90 points --> [84 + 89 + 97] / 3 = 270 / 3 = 90

You might be interested in
A book has 55 pages with pictures and 45 pages without pictures, which ratio relationship is shown by the pages in the book?
suter [353]

Answer:

11 pages with picture to every nine pages without pictures. or 11 per every 9

Step-by-step explanation:

divide each number by a common denominator, in this case 5, to get a change from 55 per every 45 to 11 per every 9.

8 0
3 years ago
Please answer: what is the quotient? what is the remainder?
stepladder [879]
Quotient : 5x + 8 Remainder : 14x2 + 5x + 11
3 0
3 years ago
How does the formula for the sample mean differ from the formula for population mean? Multiple choice question. To calculate the
Katen [24]

Answer:

The formulas are functionally the same, but 'n' (the sample size) is used instead of 'N' (the population size).

Step-by-step explanation:

The sample mean is the average value for a set of observations which is derived from a population. While the population mean is the average value for the entire set of observation belonging to a particular study of interest.

The set of observation belonging to a population is denoted by 'N' ; while the sample size is denoted as 'n' :

The mean formula is written thus :

Population mean = Σx / N

Sample mean = Σx / n

Where, x = set of values.

6 0
3 years ago
Factor a2 - 11a + 30
Schach [20]

Answer:

Factor a2 - 11a + 30

A) (6 - a)(5 - a)

B) (a + 2)(a + 15)

<h2><u><em>C) (a + 6)(a + 5) <=YOUR ANSWER</em></u></h2>

D) (a - 6)(a -5)

3 0
3 years ago
Read 2 more answers
Hi please answer this
mrs_skeptik [129]

Answer:

60\sqrt{3 \\ }

Step-by-step explanation:

in a cube, the diagonal is the length of a side times square root of 3

8 0
3 years ago
Read 2 more answers
Other questions:
  • In state tuition at a local college was $3809 last year. This year the tuition will be $4715. What is the percent increase of tu
    7·1 answer
  • Write the value of the 6 in 106,534
    11·2 answers
  • 3. A restaurant bill of $350 was paid using $5 notes and $50 notes. The total number of
    11·1 answer
  • Y=−1(x−3) 2 +4 please answer
    12·2 answers
  • I don’t know the ratio to this question
    13·1 answer
  • Help me with this question
    13·2 answers
  • I'm quite confused on how to solve 4 to the -2nd power. Could someone help?
    10·1 answer
  • Express 236% as a mixed number in simplest form
    14·1 answer
  • Hhhhhhhhhhhhhheeeeeeeeeeeeeeeeeeeeeeeeeeeeeellllllllllllllllllllllllllllpppppppppppppppppp
    15·1 answer
  • 1/8 + c = 4/5 <br> Find what c is
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!