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3 years ago

Help its urgent!! I can not figure it out!!

Mathematics

1 answer:

gladu [14]3 years ago

5 0

What is the problem?

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PQRS is a rhombus with PQ= 12 cm

Tomtit [17]

Is there an image you can provide if possible

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2 years ago

Let f(x) = xe−x if x ≥ 0 and f(x) = 0 if x < 0<br> Is f a probability density function?

Lynna [10]

Yes. $f(x)$ is a PDF if

• $f(x) \ge 0$ for all $x$ in the support; this is true, since $e^{-x}>0$ for all $x$ , and multiplying a positive number $x$ doesn't change this fact;

• the integral of $f(x)$ over its support is 1; this is also true, since

$\displaystyle \int_{-\infty}^\infty f(x) \, dx = \int_0^\infty xe^{-x} \, dx = 1$

which can be computed by parts.

3 0

1 year ago

Select the correct answer.

Xelga [282]

The answer to this problem is 2

7 0

2 years ago

To play a game, you spin a spinner like the one shown. You win if the arrow lands in one of the areas marked "WIN". Lee played t

Mrac [35]

The data collected from the actual game experiment is:

Win: 8 times
Lose: 40 times
Total trials: 48 times

Therefore, the probability that you will win when you play this game is:

WIN = 8/48
= 1/6 or 0.1667 = 16.67% chance of winning

LOSE = 40/48
= 5/6 or 0.8333 = 83.33% chance of losing.
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6 0

3 years ago

Read 2 more answers

The equation C = 30x+120 represents the cost of producing gaming chairs. The equation R = 50x represents the revenue generated b

ANEK [815]

Answer:

6 chairs

Step-by-step explanation:

The break even Point on gaming chairs can be expressed as :

Revenue = Cost

Revenue, R = 50x

Cost, C = 30x + 120

R = C

50x = 30x + 120

50 - 30x = 120

20x = 120

Divide both sides by 20

20x/ 20 = 120 / 20

x = 6

Hence, 6 chairs must be sold for the company to break even.

4 0

2 years ago