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
Misha Larkins [42]
3 years ago
12

Sean answers 4/5 of the questions on a test correctly. If there are 100 questions, how many did he not answer correctly?

Mathematics
2 answers:
Serhud [2]3 years ago
8 0
Convert 4/5 to  80 /100. And you get 20 for the final answer.
DanielleElmas [232]3 years ago
3 0
He would have answered 20 incorrectly.
You might be interested in
Someone help me solve this and could you explain why too?
yulyashka [42]

Answer:

3.5

Step-by-step explanation:

Well its easiest to just plug in the answers and see like 2 times 3.5 is 7.

Another way is saying 7 divided by 2 is 3.5

then u check to make sure its the same for all the numbers.

Which it is because 21 divided by 6 is also 3.5 :)

5 0
3 years ago
Write the expression in simplest form.<br> (-11/2x +3) - 2(-11/4 x - 5/2) =
Alex777 [14]

Answer:

what is it equal to

Step-by-step explanation:

3 0
2 years ago
Solve (x+5)32=(x−1)3
Korvikt [17]

Answer:

v = 3 ( x − 1 ) 32 ( x + 5 )

3 0
3 years ago
Read 2 more answers
A bag containing 20 blue marbles, 20 white marbles, and 1 red marble
Digiron [165]
The answer is 25/400 because it is 25 green marbles and it is 400 in total
5 0
3 years ago
How do I do this? I'm confused.​
Flura [38]

Step-by-step explanation:

\huge\mathcal\blue{here's \:  your \:  solution} \\  \\ x = 2y - 14 \:  \:  \: (given) \\  \\ equation \:  = 5x - 7y =  - 43 \\  \\ now \: put \: the \: value \: of \: x \: in \: equation \\  \\ 5(2y - 14) - 7y =  - 43 \\  \\ 10y - 70 - 7y =  - 43 \\  \\ 3y - 70 =  - 43 \\  \\ 3y =  + 70 - 43 \\  \\ 3y = 27 \\  \\ y = 27 \div 3 \\  \\ y = 9 \\  \\ now \: put \: the \: value \: of \: y \: in \: equation \\  \\ x = (9 \times 2) - 14 \\  \\ x = 18 - 14 \\  \\ x = 4 \\  \\ \huge\mathfrak\red{hope \: it \: helps..}

3 0
2 years ago
Other questions:
  • What is the equivalent of π/6 radians in degrees. Question and answers are in photo above
    10·1 answer
  • When x=12,y=8. Find x when y=12
    6·1 answer
  • The probality of an event must be expressed as a percent
    15·2 answers
  • Consider two medical tests, A and B for a virus. Test A is 90% effective at recognizing the virus when it is present, but has a
    6·1 answer
  • Help!!<br> I can't solve it
    7·1 answer
  • Ben has a collection of 240 baseball cards. Of these cards, 30% once played
    13·1 answer
  • The Greatest Common Factor (GCF) of 36 and 20 is
    6·1 answer
  • Convert 4.206 m into mm
    11·2 answers
  • The senior class want to play a practical joke on the principal, who was a former college basketball star. They want to fill his
    5·1 answer
  • What is 98 x 12 / 3 = ???
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!