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3 years ago

I WILL GIVE BRAINLIEST HELP PLEASEEEE HELP PLEASEEE

Mathematics

1 answer:

Lady bird [3.3K]3 years ago

5 0

Answer:

-39

Step-by-step explanation:

$\left(-3\right)^3-\sqrt[3]{27}-4^3\left(\sqrt[3]{64}-\left(2\right)\left(2\right)\right)-\frac{\left(3\right)^3\left(2\right)}{6}$

$-27-3-64\left(4-4\right)-\frac{54}{6}$

$-27-3-\frac{54}{6}$

$-27-3-9$

Which gives us -39.

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What type of function is represented in the table?

Fynjy0 [20]

I am pretty sure it linear

6 0

2 years ago

The number of failures of a testing instrument from contamination particles on the product is a Poisson random variable with a m

Mazyrski [523]

Answer:

The probability that the instrument does not fail in an 8-hour shift is $P(X=0) \approx 0.8659$

The probability of at least 1 failure in a 24-hour day is $P(X\geq 1 )\approx 0.3508$

Step-by-step explanation:

The probability distribution of a Poisson random variable X representing the number of successes occurring in a given time interval or a specified region of space is given by the formula:

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Let X be the number of failures of a testing instrument.

We know that the mean $\mu = 0.018$ failures per hour.

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$P(X=0)=\frac{e^{-0.144}0.144^0}{0!}\\\\P(X=0) \approx 0.8659$

(b) To find the probability of at least 1 failure in a 24-hour day, you need to:

For a 24-hour day, the mean is $\mu=24\cdot 0.018=0.432$

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3 0

3 years ago

Ariel made cupcakes to sell. 2/3 of them were chocolate chip,25% of the reminder was strawberry and the rest were 90 vanilla cup

Anton [14]

Answer:

Let x be the total number of cupcakes.

Chocolate chips =

$\frac{2}{3} x$

Strawberry =

$\frac{1}{4} \times \frac{1}{3} \\ = \frac{1}{12} x$

Vanilla =

$x - \frac{2}{3} x - \frac{1}{12}x \\ = \frac{1}{3} x - \frac{1}{12} x \\ = \frac{1}{4} x$

given

$\frac{1}{4} x = 90$

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a)Number of Chocolate chip Cupcakes =

$\frac{2}{3} \times 360 \\ = 240$

b)Number of Strawberry cupcakes =

$\frac{1}{12} \times 360 \\ = 30$

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3 years ago

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KengaRu [80]

Answer:

Step-by-step explanation:

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3 years ago

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IgorLugansk [536]

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The correct answer is third from the top.

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6 0

3 years ago