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
scoundrel [369]
3 years ago
11

Colin predicted whether he got answers right or wrong in his 50 question exam.

Mathematics
1 answer:
suter [353]3 years ago
3 0

Answer:

92.86%

Step-by-step explanation:

Total questions, T = 50.

Colin thought 8 questions were right.

Colin got 5 questions right that he thought he got wrong.

Total score, s = 45.

So, actual number of questions which are wrong are 5.

Score according to him = 50 - 8 = 42.

Now, we know percentage accuracy is given by :

Therefore, percentage accuracy he had with predicting his scores is 92.86%.

You might be interested in
To graph the inequality x > -3, draw an open circle on -3 and shade to the left.
dedylja [7]
False, you graph an open circle on -3 and shade to the right because x must be larger than -3 and it can not equal -3
8 0
2 years ago
I NEED HELP!! pleaseee
Veronika [31]

Answer:

<h3>y = 20</h3><h3 />

Step-by-step explanation:

line RPN = 180 = 4y - 10 + 90 + y

180 - 90 + 10= 5y

100 = 5y

y = 100/5

y = 20

4 0
2 years ago
SOMEONE PLEASE HELP ILL MARK U BRAINLIST
Lemur [1.5K]

Answer:

The value of X is 1

Step-by-step explanation:

Trust me i did this already.

4 0
2 years ago
Read 2 more answers
Write in the simplest form.<br> -4/7 ÷ 8/9
RSB [31]

Answer:

-9/14

Step-by-step explanation:

5 0
2 years ago
Yesterday, The tempature at noon was 11.4. By midnight, the temperature had decreased by 15.7 degrees. The temperature then decr
tamaranim1 [39]

the temp at 2 am is -6.7 degrees

5 0
3 years ago
Other questions:
  • Write the difference 20 – (–48) as a sum. Then simplify.
    14·2 answers
  • In the expression 2003-02-02-00-00_files/i0020000, the number 4 is called the __________.
    15·1 answer
  • What is the value of each digit number of 58
    12·1 answer
  • Which one is greater 10 squared or 22/7
    13·1 answer
  • In the figure below, A shows the position of a house on the shore and B shows the position of a house on an island. To find the
    14·1 answer
  • The cost of a pen at the office supply store is $2.65. the school store sells the pen for $3.45. How much does the school store
    8·1 answer
  • Estimate the sum of 945 + 573 + 617 by rounding each number to the nearest hundred. ​
    9·2 answers
  • Need help solving these questions!!! PLEASE HELP AS SOON AS YOU CAN!! 7.
    10·1 answer
  • Fast i need it thanks
    8·1 answer
  • Help and get what you want.
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!