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soldier1979 [14.2K]
3 years ago
6

Which fractions are equivalent to 4/5 and 2/7

Mathematics
1 answer:
8090 [49]3 years ago
5 0

Answer: b

Step-by-step explanation:

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The original equation is this:
likoan [24]

Answer:

x=0, x=5

Step-by-step explanation:

x²-5x+8=8

x²-5x=0

x(x-5)=0

x=0 , x-5=0

x=5

3 0
2 years ago
A six-sided number cube is “weighted” so that the numbers do not all have the same probability of landing up. The probability mo
Anastasy [175]

Answer:

P(number greater than 3) = \frac{7}{12}

Step-by-step explanation:

The  Probability of  getting a number greater than 3  means the possibility of getting 4  or 5 or 6

That is

P(number greater than 3) =  P(getting 4)  +  P(getting 5) + P(getting 6)

On substituting the values from the table ,

we get

P(number greater than 3)  = \frac{2}{12} +  \frac{2}{12} + \frac{3}{12}

P(number greater than 3) = \frac{7}{12}

Thus if the number cube is tossed once, P(number greater than 3) is  \frac{7}{12}

3 0
3 years ago
Clue is a board game in which you must deduce three details surrounding a murder. In the original game of Clue, the guilty perso
Amanda [17]

Answer:

The probability of making a correct random guess is 0.00053%.

Step-by-step explanation:

Since Clue is a board game in which you must deduce three details surrounding a murder, and in the original game of Clue, the guilty person can be chosen from 66 people, and there are 66 different possible weapons and 99 possible rooms, and at one point in the game, you have narrowed the possibilities down to 44 people, 55 weapons, and 77 rooms, to determine what is the probability of making a random guess of the guilty person, murder weapon, and location from your narrowed-down choices , and the guess being correct, the following calculation must be performed:

(1 / (44x55x77)) x 100 = X

(1 / 186,340) x 100 = X

0.0005366 = X

Therefore, the probability of making a correct random guess is 0.00053%.

6 0
3 years ago
A class has 9 boys and 15 girls. What is the ratio in simplest form that compares number of boys to total number of students
jek_recluse [69]

Answer:

3  :  8

Step-by-step explanation:

9 boys + 15 girls = 24                                                                                                     Ratio is boys to total number of students                                                                         =          boys  :   total.no                                                                                                 =             9    :      24                                                                                                   You simplify=  9 ÷ 3= 3       and      24 ÷ 3 = 8                                                        <u>Answer</u>                                                                                                                          = boys  :  total.no                                                                                                            =    3    :     8

6 0
3 years ago
Translate the following statement into an algebraic expression: Use x for your variable. The sum of the square of a number and e
dusya [7]

Step-by-step explanation:

Let x be the number.

Then the algebraic expression will be x^2 + 11x.

6 0
3 years ago
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