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3 years ago

8

What is the probability of randomly guessing the right answer to a question on a multiple-choice test with 5 choices for each an

swer?

1 answer:

faltersainse [42]3 years ago

4 0

Answer:

The probability is 1/3.

Step-by-step explanation:

I believe this is correct, if not feel free to let me know and I will fix it. I'm sorry in advance if it is incorrect.

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Find the difference: 2/3-2/6

elena-14-01-66 [18.8K]

Answer:

2/6=1/3

Step-by-step explanation:

3*2=6

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2/6=1/3

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3 years ago

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3 years ago

SOMEONE HELP ME ON THESE QUESTIONS

dem82 [27]

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f = unknown number/variable [So 21 plus 5f(5 times f) equals 61]

21 + 5f = 61 [21(one-time) + 5f(number x variable) = 61(total)]

2.) Seventeen more(addition) than seven times(multiplication) a number j is(=) 87.

j = unknown number/variable [So 17 plus 7j(7 times j) equals 87]

17 + 7j = 87

3.) n = number of calls

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[Company charges $18 plus five cents per call(n), and the total charge was $50.50]

4.) s = the number of students

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3 years ago

How many numbers between 25 and 400 are divisible by 11? find their sum

kicyunya [14]

Answer:

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2 years ago

A,B, C and D are the four corners of a rectangular plot marked out on level ground. Given that the bearing of B from A is 40 and

Elden [556K]

Answer:

given - a rectangle ABCD

AB = 40

AC. = 90

BC = ?

in triangle ABC

using Pythagoras theorem

(AB) ² + (BC) ² = (AC) ²

(40)² + (BC) ² = (90)²

(BC) ² = (90)²- (40)²

(BC) ² = 8100 - 1600

(BC) ² = 6500

BC =

$20 \sqrt{10}$

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2 years ago