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
serious [3.7K]
3 years ago
8

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

Biology
2 answers:
Sonbull [250]3 years ago
8 0
<span>Performance = 70.443 + 4.885 * (time)
P = </span><span>70.443 + 4.885 * 2.6
P = 70.443 + 12.701
P = 83.144

P - 16 = 83.144 - 16 = 67.144

Her score is 67.</span>
pickupchik [31]3 years ago
7 0

Answer:

67

Explanation:

Step 1: Insert 2.6 hours for the variable of time and solve.70.443 + 4.885(2.6)70.443+ 12.701= 83.144This 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
The function of the heart and blood vessels that supplies oxygen and nutrients to the entire body is known as:
MAXImum [283]
I think it might be the vein
4 0
4 years ago
What is the percentage ?
Bingel [31]
40% i believe. please correct me if i am wrong.
7 0
3 years ago
Match each form of Energy with it's definition. The sum of an object's kinetic and potential energies. Question 9 options: mecha
andreev551 [17]

Hi, friend!

The Answer is Mechanical energy!

Match each form of Energy with it's definition. The sum of an object's kinetic and potential energies?

xXxAnimexXx

♛┈⛧┈┈•༶​♛┈⛧┈┈•༶​​

✌️​

Have a great day!

3 0
3 years ago
Among the many remarkable aspects of the origin and history of life on earth is that life originated as much as ____________ yea
Debora [2.8K]
The oldest fossil evidence that geochemists have been able to find in deposits in Pilbara, Australia, and South Africa have been dated to 3.5 bya. In addition, organic compounds that may be the result of those produced by organisms have been dated, also in Greenland, to 3.8 bya.
3 0
3 years ago
How does energy flow in a food chain
yulyashka [42]

Answer:

Energy flow in ecosystem occurs by food chain from producer to consumers. ... Then energy is transfered from producers to consumers, called as heterotrophs. Primary consumers are called as herbivores. Herbivores are eaten up by secondary consumers, called as carnivores.

Explanation:

7 0
3 years ago
Other questions:
  • G protein‑coupled receptors (GPCRs) and receptor tyrosine kinases (RTKs) are two basic receptor types by which cells transduce s
    15·1 answer
  • Before an impulse can cross the synaptic gap between neurons, the impulse must be
    10·1 answer
  • What are the two components of an EM wave
    11·1 answer
  • How would you cross two different incompletely dominant traits?
    8·1 answer
  • Sean outperforms the other air traffic controllers. Through his tremendous focus and attention, he accurately detects three time
    9·1 answer
  • Structures in plant leaves open and close to maintain homeostasis are called
    5·1 answer
  • One student made the incomplete diagram shown below to represent the relationship between magma igneous rocks and metamorphic ro
    6·1 answer
  • What is a cell?<br><br><br><br><br><br><br>(don't mind this. I needed the question to be longer)​
    10·1 answer
  • Write a grammatically correct sentence that compares the reactants and products of photosynthesis with
    14·1 answer
  • When you donate blood, it can be used for blood transfusions. Transfusions are common during certain surgeries or when a person
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!