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Olin [163]
3 years ago
13

The probability that a student guesses the correct answer to a four-choice multiple choice question is

Mathematics
2 answers:
garik1379 [7]3 years ago
5 0

Answer:

the answer is 17

Step-by-step explanation:

Hope this helps!

Lilit [14]3 years ago
3 0

Since we already know that there is a 25% chance to guess the correct answer to a multiple choice question, all we have to do is multiply .25 and 68 to get the expected amount of answers a student can possibly guess. We multiply .25 since it is the decimal form of 25% and 68 is our total questions.

.25 x 68 = 17

Therefore, a student can expect to guess 17 answers correct on a test with 68 multiple choice questions.

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manuel has $15 to spend.on apps and music. Apps cost $2 each and songs cost $1 each. If x represents the number of apps purchase
strojnjashka [21]

Answer:

2x + y = 15

Step-by-step explanation:

Total amount with Manuel = $15

Cost of apps = $2

Cost of song = $1

x = number of apps purchased

y = number of songs purchased

Cost of apps × number of apps purchased + Cost of song × number of songs purchased = Total amount with Manuel

2*x + 1*y = 15

2x + y = 15

The linear equation that represents the combination of apps and songs manuel can purchase is 2x + y = 15

6 0
3 years ago
Bob harvested flour from 4 of his fields. From the first field, he harvested 13 ton of flour. The second field yielded 24 ton of
DIA [1.3K]
Bob harvested 65 tons total (13 + 24 + 14 + 14)
and as far as drawing a diagram I don't know what to tell you 

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6 0
3 years ago
Help help please please
gregori [183]

Answer:

c=√74

Step-by-step explanation:

h=c

p=5

b=7

Using pythogorean theorem,

h^2=p^2+b^2

c=√(7^2+5^2)

c=√(49+25)

c=√74

3 0
3 years ago
Read 2 more answers
Rajan bought 5 copies of a book to give as
solong [7]

Answer:

Step-by-step explanation:

the original price was the one she started at

8 0
4 years ago
Which ordered pair is a solution to the system of equations?
babymother [125]
The answer is (-2, -3) since 2*-2–(+)3= -1 and 2*-2-4*-3= 8.
4 0
3 years ago
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