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Vilka [71]
3 years ago
10

If 30 marks is 40% what is full marks

Mathematics
2 answers:
Zielflug [23.3K]3 years ago
8 0
75 times .40= 30 so full marks is 75
Ray Of Light [21]3 years ago
4 0
The full marks is 75.
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What is the probability of getting two heads and two tails in four flips of a fair coin?
jekas [21]
Number of  combinations possible = 4! / 2! 2! =  6

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Required probability  = 6  * 1/16  = 3/8
3 0
3 years ago
Help and hurry please
ira [324]

Answer:

D.

Step-by-step explanation:

First try to eliminate answers.

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On a city map 3/4 inch corresponds to 7 1/2 miles bonnie drives from her house to a movie theater and then from a movie theater
Juliette [100K]

Answer:

Option D: 12\frac{1}{2} is the correct answer.

Step-by-step explanation:

Given that:

3/4 inches on map are equal to 7\frac{1}{2} miles

We will find the unit rate in term of inches.

\frac{3}{4}\ inches = 7\frac{1}{2}\\\\Unit\ rate = \frac{15}{2}*\frac{4}{3}\ miles\\\\Unit\ rate = 10\ miles\ per\ inch

Total distance covered by Bonnie according to map;

Total distance = \frac{1}{2}+\frac{3}{4} = \frac{2+3}{4}

Total distance = \frac{5}{4}\ miles

Actual distance = \frac{5}{4}*10 = \frac{25}{2}\ miles \\

Actual distance = 12\frac{1}{2}\ miles

Hence,

Option D: 12\frac{1}{2} is the correct answer.

8 0
3 years ago
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the correct answer is B

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-3 is smaller than 1

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3 years ago
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