2 years ago

Find f(-5) if f( x ) = | x + 1|.

Mathematics

1 answer:

Alekssandra [29.7K]2 years ago

8 0

Answer:

Step-by-step explanation:

f(x)=x+1

then,

f(-5)=(-5)+1

=-4

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What is the area of a sector with a central angle of 255 and a radius of 18.4 m?

Igoryamba

Answer:

The answer is 753.01 m².

Step-by-step explanation:

Given that the formula of sector is θ/360×π×r² where r represents radius of circle. Then, you have to substitute the values into the formula :

$area = \frac{θ}{360} \times \pi \times {r}^{2}$

Let θ = 255°

Let π = 3.14,

Let r = 18.4m,

$area = \frac{255}{360} \times 3.14 \times {18.4}^{2}$

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3 years ago

A coin is tossed times and comes up heads times. Use the Empirical Method to approximate the probability that the coin comes up

Vedmedyk [2.9K]

Answer:

$P(head) = 0.5600$

Step-by-step explanation:

Given

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<em>See comment</em>

Required

Empirical probability of head

This is calculated as:

$P(head) = \frac{n(head)}{n}$

$P(head) = \frac{280}{500}$

$P(head) = 0.5600$

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3 years ago

I don’t get this question 12

tankabanditka [31]

Answer:

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