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3 years ago

If there are 45000 seats and 5/8 of them are used how many are left

Mathematics

1 answer:

KATRIN_1 [288]3 years ago

8 0

Are there any answer choices?

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8)An unprepared student makes random guesses for the ten true-false questions on a quiz. Find the probabilitythat there is at le

nikdorinn [45]

Answer:

D.) 0.9990

Step-by-step explanation:

Given :

Number of questions = 10

True or False questions ; probability of success, p = 1/2 = 0.5

Using binomial distribution :

P(x =x) = nCx * p^x * (1 - p)^(n - x)

Probability of getting atleast one correct answer :

P(x ≥ 1) = p(1) + p(2) +... P(x = 10)

Using a binomial probability calculator :

P(x ≥ 1) = 0.9990

5 0

3 years ago

what is the slope of the line given by the equation y=-1/3x? Enter your answer as an integer or fraction in lowest terms.

Rzqust [24]

The slope of the line would be -1/3

5 0

3 years ago

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which set of steps shows the solution to the equation 2y = −8? y = −8 − 2; y = 6 y = −8 ÷ (−2); y = 4 y = −8 ÷ 2; y = −4 y = −8

xz_007 [3.2K]

Answer: The correct option is

(C) y = −8 ÷ 2; y = −4.

Step-by-step explanation: We are given to select the correct steps that shows the solution to the following equation :

$2y=-8~~~~~~~~~~~~~~~~~~~~~~~~~~(i)$

We know that

the solution to the equation $ax=b,~~\textup{a,b are real numbers}$ is given by

$ax=b\\\\\Rightarrow x=b\div a.$

Therefore, the solution of equation (i) is as follows :

$2y=-8\\\\\Rightarrow y=-8\div 2\\\\\Rightarrow y=\dfrac{-8}{2}\\\\\Rightarrow y=-4.$

Thus, (C) is the correct option.

6 0

3 years ago

Which expression is equivalent to 14a + 8?

Georgia [21]

The answer is 2(7a+4) because using distributive property 2 times 7a is 14a and 2 times 4 is 8 so it equals 14a+8

6 0

2 years ago

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Find the area of the shape

alexgriva [62]

Answer:

I think the answer is 672 please be right

4 0

3 years ago

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