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
tia_tia [17]
3 years ago
13

A professor determined the relationship between the time spent studying (in hours) and performance on an exam.

Mathematics
1 answer:
kykrilka [37]3 years ago
3 0
Step 1: Insert 2.6 hours for the variable of time and solve.
70.443 + 4.885(2.6)
70.443+ 12.701
= 83.144
This is Ann's EXPECTED exam score.  Because of the concert, Ann scored 16 points lower than this number.
Step 2: Subtract 16 from Ann's expected score.
83.144 - 16
= 67.144
You might be interested in
Please help.<br> Explain please.
Sunny_sXe [5.5K]
When n = 1, 2(1) + 1 = 3

When n = 2, 2(2) + 1 = 5

When n = 3, 2(3) + 1 = 7

When n = 4, 2(4) + 1 = 9

When n = 5, 2(5) + 1 = 11

Sum = 3 + 5 + 7 + 9 + 11 = 35

----------------------------------------------------
Answer: 35
----------------------------------------------------
4 0
3 years ago
Read 2 more answers
If A store had 100 toys 2398 x more how many is that
yuradex [85]

Answer:

Answer is 239,800.

6 0
3 years ago
Which of the following is x=-5 a solution ?
Katarina [22]

Answer:

C and D

Step-by-step explanation:

Plug X in and see which equations/expressions are true

8 0
3 years ago
Read 2 more answers
Todd swam his race in 26.785 seconds while Frank swam his race in 29.07 seconds. What was the difference in their times?
Alexus [3.1K]
All you got to do is subtract. 2.285
5 0
3 years ago
Read 2 more answers
NEED HELP!
diamong [38]

Nope, but if you need help you can tell me what the questions are and I'll try solve them!

6 0
3 years ago
Read 2 more answers
Other questions:
  • Solve the equation. Check for extraneous solutions. Type your answers in the blanks. Show your work. 20 Points!!
    14·1 answer
  • If a famer plows 2 acres every 3 hours how long will it take to plow 60 acres
    7·1 answer
  • N+3 times (n-1) Please answer
    14·1 answer
  • What is the value of x?
    8·2 answers
  • What is the value of x in the figure?<br> A 42<br> B 48<br> C 132<br> D 138
    14·1 answer
  • Photo of freedom fighter quotes on white sheet.<br><br><br><br>pls send me fast​
    10·1 answer
  • In the book Business Research Methods, Donald R. Cooper and C. William Emory (1995) discuss a manager who wishes to compare the
    11·1 answer
  • HELP giving brainlest and more points
    8·2 answers
  • You roll two number cubes. what is the probability of rolling double ones
    7·1 answer
  • Giving out the 15 points help please number 2.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!