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
Evgesh-ka [11]
3 years ago
14

Mark earned a 64 on his last science quiz. If Mark’s z-score was -2.8 and the standard deviation was 10, find the mean grade on

the quiz.
Mathematics
1 answer:
docker41 [41]3 years ago
8 0

Answer:

he score is 2.15 standard deviations above the mean.

Step-by-step explanation:

You might be interested in
What is the slope of the line that contains the points (4,-1) and (-1,4)
Anna11 [10]

Answer:

the slope is -1

Step-by-step explanation:

To find the slope, we use the formula

m = (y2-y1)/ (x2-x1)

   = (4--1)/ (-1-4)

   = (4+1)/(-5)

  = 5/-5

  = -1

3 0
3 years ago
Write an equation in slope intercept form of the line with a slope of -3/4 and y intercept of -5
raketka [301]
Given,
slope(m)=-3/4
y intercept (c)=-5
Then,
equation in slope intercept form is
y=mx+c
or, y=(-3/4)×x+(-5)
or, y=-3/4×x-5

5 0
3 years ago
Two inches is approximately _____. 10 cm 5 cm 500 mm .5 m
k0ka [10]

Answer:

5 cm

Step-by-step explanation:

Since 1 inch is 2.5 cm, you'll haft to double that. Making the answer 5 cm.

5 0
3 years ago
Read 2 more answers
A. Seven fewer than t
Katyanochek1 [597]

7 fewer than t is:

t - 7

I hope this helps

7 0
4 years ago
HELP!!!!! IN A RUSH!!!!!!! THANKS!!!!!!!!! :) Which statement is true?
Lady bird [3.3K]
The correct answer is C all integers are whole numbers
4 0
4 years ago
Other questions:
  • in a experiment investigating the growth of spores in varying soil conditions a certain spore colony grew an average of 3 times
    6·1 answer
  • write an algebraic expression to model each situation. you have a summer job at a car wash. you earn $8.50 per hour and are expe
    8·2 answers
  • How to write -0.84 as a decimal fraction or mixed number in simplest form
    11·1 answer
  • The table shows the results of rolling a number cube, with sides labeled 1 through 6, several times.
    13·1 answer
  • If measurement angle L = 58 then measurement angle LKJ = _________ degrees.
    7·1 answer
  • Anyone here understand this? please help!
    9·1 answer
  • Y is directly proportional to x, and y=56 when x=7. find the value of y when x=4.
    9·1 answer
  • Helpppp please
    14·1 answer
  • PLEASE HELP LOL<br> solve it then graph it
    13·1 answer
  • 4|x-2|-12 = 0<br> Absolute Value &amp; Set in notation
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!