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
nata0808 [166]
2 years ago
5

John believes that the amount of sleep he gets the night before a test and his score on that test are inversely related. On his

first exam, he got eight hours of sleep and scored 70 on the exam. To the nearest tenth, how many hours does John believe he must sleep the night before his second exam so that the average of his two exam scores is an 80?
Mathematics
1 answer:
eimsori [14]2 years ago
8 0

Answer:

sometimes it be like that

Step-by-step explanation:

y

e

s

You might be interested in
Which one of the following proportions can be used to prove AE is parallel to DK in the proof below?
Alisiya [41]

Answer:

i have no clue im sorry man but i need points. i hope someone helps you

Step-by-step explanation:

7 0
3 years ago
Can u help me plss i’ll give u brainliest
svet-max [94.6K]

Answer:

The answer is

Step-by-step explanation:

4 0
3 years ago
Simplify this expression 9xy4x 3x3y​
Alekssandra [29.7K]

Answer:

81 x y^5

Step-by-step explanation:

Simplify the following:

9×3×3 x y^4 y

3×3 = 9:

9×9 x y^4 y

9 x y^4×9 y = 9×9 x y^(4 + 1):

9×9 x y^(4 + 1)

4 + 1 = 5:

9×9 x y^5

9×9 = 81:

Answer: 81 x y^5

7 0
3 years ago
What is 5x10-5x6 thank you
NemiM [27]
The answer is 20.
5*10-5*6=50-30=20
5 0
3 years ago
Read 2 more answers
H E L P!!! Simplify the expression -4d+3-8+6+d-1
ser-zykov [4K]

-4d+3-8+6+d-1 =

-3d + 0 =

-3d

6 0
3 years ago
Other questions:
  • Solve this system of equations- x=2y-8 and 4x+y=13
    5·2 answers
  • A Geiger counter counts the number of alpha particles from radioactive material. Over a long period of time, an average of 14 pa
    12·1 answer
  • Solve the following compound inequality.<br><br> 5x+7&lt;=-3 or 3x-4&gt;=11
    6·1 answer
  • PLEASE HELP :( A 12,000 gallon man made pond is being filled at a rate of 25 gallons per minute. At this rate, how many minutes
    15·2 answers
  • Use the distributive property for this expression: 6(2x+5y)
    11·1 answer
  • 21. What is the value of x if 5:(3x+2) = 7:(5x-2).<br>A. 6<br>B. 5<br>C.7.​
    10·1 answer
  • The functions f(x) = 2x2 + 2 and g(x) = 2x+1 + 2 are graphed on the coordinate plane as shown.
    11·2 answers
  • What is the correct expanded form for the number 43.205?
    6·2 answers
  • The number of eggs Mia can sell varies directly with the number of chickens she owns. The more hens she owns, the more
    11·1 answer
  • Need help ASAP pleaseee
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!