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
Vika [28.1K]
3 years ago
15

In your biology class, your nal grade is based on several things: a lab score, scores on two major tests, and your score on the

nal exam. There are 100 points available for each score. However, the lab score is worth 25% of your total grade, each major test is worth 22:5%, and the nal exam is worth 30%. Compute the weighted average for the following scores: 92 on the lab, 81 on the rst major test, 93 on the second major test, and 85 on the nal exam. (
Mathematics
1 answer:
Mariana [72]3 years ago
3 0

Complete Question

In your biology class, your final  grade is based on several things: a lab score, scores on two major tests, and your score on the final exam. There are 100 points available for each score. However, the lab score is worth 25% of your total grade, each major test is worth 22:5%, and the final exam is worth 30%. Compute the weighted average for the following scores: 92 on the lab, 81 on the first major test, 93 on the second major test, and 85 on the final exam. (Enter your answer to one decimal place)

Answer:

The weighted average is  W = 87.65

Step-by-step explanation:

From the question we are told that

  The worth of the lab score is  25% of total grade

  The worth of each major  test is   22.5% of total grade

   The worth of final exam is  30% of total grade

The  score on lab is  92

The score on first major test 81

The score on second major test 93

 The score on final  exam is  85

Generally the weighted score is mathematically represented as

     W = 0.25 *  92 + 0.225* 81 + 0.225* 93 +0.30 * 85

=> W = 0.25 *  92 + 0.225* 81 + 0.225* 93 +0.30 * 85

=> W = 87.65

   

   

You might be interested in
Solve r = 1/2m^2p for p
hoa [83]
You just have to arrange the equation such that the p is the only term at the left hand side of the equation. Express it in terms of r and m. 

r = 1/2*m²*p
Divide both left and right hand side equations by 1/2*m²
p = r/(1/2 *m²)
Take the reciprocal of 1/2 and multiply it. The final answer is:
p = 2r/m²
7 0
4 years ago
Please help! Thank you so much!
igor_vitrenko [27]

Angle W:

180 = 90 + 57 + W

180 = 147 + W

W = 33 degrees

Using trigonometry functions to find the side lengths. (SOH CAH TOA)

Side XZ:

cos(57) = XZ / 18

XZ = cos(57) x 18

XZ = 9.8 units

Side XW:

sin(57) = XW / 18

XW = sin(57) x 18

XW = 15.1 units

Hope this helps!! :)

4 0
3 years ago
-3x = 36 X = ________ can someone answer this plz
koban [17]

Answer:

-12x

Step-by-step explanation:

36÷(-3)= -12

3 0
3 years ago
Read 2 more answers
stion 13: A typical barrel of bot-oil contains 70 liters of oil. If a hole he barrel is causing a constant 6 liters an hour leak
Montano1993 [528]

Answer:

y = -6x + 70

Step-by-step explanation:

Since the amount of oil in the tank decreases constantly, we need to create a linear function. Using the base form, y = mx + b, we can replace -6 for m because volume decreases by 6 (or increases by -6) each hour, and +70 for b because we start off with 70 liters of oil. So we get y = -6x + 70, with x representing the number of hours, and y representing the volume of oil remaining.

4 0
2 years ago
A line passes through the point (0, –4) and has a slope of 2/3. What is the equation of the line?
pshichka [43]

Step-by-step explanation:

the answer is in the above image

3 0
3 years ago
Other questions:
  • If the equation of a circle is (x + 4)2 + (y - 6)2 = 25, its center point is
    12·2 answers
  • Given (x-1)^2=50, select the values of x
    15·1 answer
  • In a single line of people waiting to purchase tickets for a movie, there are currently 10 people behind Shandra. If 3 of the pe
    15·1 answer
  • Find the geometric mean of 4 and 20
    7·2 answers
  • Which expression equals 24? <br> a. (2 4)(3) <br> b. (4 x 2)(3) <br> c. (4 3) - 2 <br> d. (4 - 2) 3?
    9·1 answer
  • The average price of a two-bedroom apartment in the uptown area of a prominent American city during the real estate boom from 19
    6·1 answer
  • Melanie is going to invest in an account paying an interest rate of 5.2% compounded
    9·2 answers
  • 6x + 8y<br>8y = -31<br>14x - 5y = 46​
    15·1 answer
  • In the diagram ABC ~ ADE, Find x
    13·1 answer
  • √(7+√(24))÷2+√(7−√(24))÷2​
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!