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
FinnZ [79.3K]
3 years ago
12

Jay's mean score for four quizzes is 99. ​ ​His scores for the first three quizzes are 88 , 55 , and 99. ​ ​What is Jay's score

for the last quiz?
Mathematics
1 answer:
Katarina [22]3 years ago
6 0

Answer: 154

Step-by-step explanation:

The mean is calculated by adding up all the numbers and dividing by the number of observations added up.

The above can therefore be expressed as:

(88 + 55 + 99 + x) / 4 = 99

242 + x = 99 * 4

242 + x = 396

x = 396 - 242

x = 154

You might be interested in
The deer population in a national wildlife refuge has been decreasing by 5% each year.
mestny [16]

Answer:

750(1-\frac{5}{100})^{n}

Step-by-step explanation:

3 0
3 years ago
116.PS-9<br> Question Help<br> Find the surface area of the prism.<br> 8 cm<br> 5 cm13cm<br> 12 cm
Ivanshal [37]

Answer:

6,240 cm

Step-by-step explanation:

8 cm x 5 cm x 13 cm x 12 cm = 6,240 cm

8 0
3 years ago
Dave receives a salary of $200 a week plus a commission of 10% of his weekly sales. An equation y = m x + b represents Dave’s we
vovangra [49]

Answer:

y = 0.1x+200

Step-by-step explanation:

First, let's establish that:

x is independent

y is dependent

Basically, the value of y will depend on what x is.

The problem states that the slope of the line is Dave's comission, so since he makes 10% of comission, we can make the slope as 0.1x (mx)

The problem also states that the y intercept (b) is Dave's base salary, and earlier in the problem it states that his base salary is $200 a week. Therefore, b=200

now, the equation is:

y=0.1x+200

Hope this helps!

4 0
4 years ago
Help please...........bad
djverab [1.8K]

Answer: 0,5, and -4 is the zeros

Step-by-step explanation:

3 0
3 years ago
An angle measures 86.4° less than the measure of its supplementary angle. What is the measure of each angle?
AVprozaik [17]

Answer:

nsksnekwksnskswkwksks

4 0
3 years ago
Other questions:
  • PLEASE HELP ME FOR EXTRA POINTS AND BRAINLIEST ANWSER
    11·1 answer
  • This is Simple Interest Ration and percent 7 grade please help
    10·1 answer
  • Find the area of a circle that has a radius of 14 feet. Approximate Π as 3.14. Round your answer to the nearest hundredth.
    14·1 answer
  • What is the quotient of -1/8 and - 1/3
    11·1 answer
  • The order of several matrices are given. A = 3x2 B = 3x5 C = 2x3 D = 5x7 E = 3x5 Which can be multiplied?
    13·1 answer
  • Find the area of a triangle when a = 5, B = 37º, and C= 84º
    7·1 answer
  • 1 - (2n + 9) = 4(1-2)
    12·2 answers
  • Can some one help thanks
    15·2 answers
  • Classify the special quadrilateral.
    10·1 answer
  • Mrs. Nygaard needs 12 hours to grade all of her students’ projects. She made a chart to show how much time she could spend gradi
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!