A video game sells at Arnolds for $14.99. Arnolds marks the game up at 40% of the selling price. The cost of the video game to Arnold is:

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Answer 1

Answer: what you do is take 14.99 x 0.40 and that should give you your answer

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Answers

I think these are the sums of perfect cubes.

A = (2x²)³ + (3)³
B = (x³)³ + (1)³
D = (x²)³ + (x)³
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Translating word problems to algebraic expressions:

One number exceeds another by 24. The sum of the numbers is 58. What are the numbers?

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The equation is x+24+x=58, so you subtract 24 from 58 and get 34 then add the x's and get 2x=34 or x=17

Wouldn't it be A ????????

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Yes I would agree with a

E=mc
$e = mc {}^(2)$

solve for c

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e = mc
e/m = mc/m
e/m = c
c = e/m

i think it’s c = e / m

How many lines of symmetry does the hexagon have?

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$Look\ at\ the\ picture\n\nAnswer:6$

1 Suppose you choose at random a real number X from the interval [2, 10]. (a) Find the density function f(x) and the probability of an event E for this experiment, where E is a subinterval [a, b] of [2, 10]. (b) From (a), find the probability that X > 5, that 5 < X < 7, and that X2 − 12X + 35 > 0.

Answers

Answer:

Step-by-step explanation:

Given that you choose at random a real number X from the interval [2, 10].

a) Since this is a contnuous interval with all number in between equally likely

E = probability for choosing a real number is U(2,10)

pdf of E is $(1)/(8)$

b) P(X>5) = $\int\limits^10_5 {1/8} \, dx = (5)/(8)$

$P(5<x<7) = (2)/(8) =(1)/(4)$

For

$x^2-12x+35 >0\n(x-5)(x-7)>0\nx<5 or x >7$

P(X<5 or x>7) = 1-P(5<x<7)

= $(3)/(4)$

Final answer:

The density functionof a real number selected randomly within the range [2,10] is 1/8, with the probability of an event being the difference between the two values divided by 8. The probabilities that X is greater than 5, lies between 5 and 7 and that the inequality X^2 - 12X + 35 > 0 always holds are 5/8, 1/4 and 1 respectively.

Explanation:

The subject of this question is probability, particularly continuous uniform distribution. (a) A real number X selected from a certain interval [2, 10] has a continuous uniform distribution. Hence, the density function f(x) = 1/(b-a) = 1/8 for 2 ≤ x ≤ 10 and0otherwise. The probability of an event E, where E is [a,b], is the integral of f(x) from a to b, which is (b-a)/(10-2).

(b) Probability that X > 5 is the integral of f(x) from 5 to 10, which is (10-5)/8 = 5/8. Probability that 5 < X < 7 is the integral from 5 to 7, which is (7-5)/8 = 1/4. Lastly, the inequality X^2 - 12X + 35 > 0 factors out to (X-5)^2 + 10 > 0 which is always true as square number is always non-negative, thus the probability is 1.

Learn more about Probability here:

brainly.com/question/22962752

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