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3 years ago

Brian and Katie have $40 to spend at the store.

Mathematics

2 answers:

Bumek [7]3 years ago

6 0

$20 dollars is the change not including tax with tax is 19.33

Rina8888 [55]3 years ago

4 0

Answer:

It would be 20

Step-by-step explanation: 4x1=4+2x2=4+3+3x3=9 final answer 40-20=20

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If the probability of being hospitalized during a year is 0.15 find the probability that no one in the family of 4 will be hospi

Goryan [66]

The probability that no one in the family of 4 will be hospitalized during a year is 0.52

Step-by-step explanation:

The probability for a person to be hospitalized during one year is

$p(h)=0.15$

As a consequence, the probability for a person of NOT being hospitalized during one year is

$p(h^{-1})=1-0.15=0.85$

If we have 4 people in the family, the probability of each of them of NOT being hospitalized during the year is independent from the probability of the others - therefore, these are independent events. This means that the total probability of the 4 people of not being hospitalized during a year is:

$p(h^{-1})^4=(0.85)^4=0.52$

So, the probability that no one in the family of 4 will be hospitalized during a year is 0.52.

Learn more about probability:

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3 0

3 years ago

The midpoint of mn is point p at (-4,6). If point m is at (8,-2), what are the coordinates of point n?

VashaNatasha [74]

x₁ + x₂ y₁ + y₂
 2 = M 2 = M

x + 8 y + -2
 2 = -4 2 =6
multiply both sides by 2.

x+8=-8 y - 2 = 12
x = -16 y = 14

Final Answer: (-16, 14)

7 0

4 years ago

Read 2 more answers

In Exercise, sketch the graph of the function. f(x) = ln(x – 5)

Flauer [41]

Answer:

See the graph and explanation below.

Step-by-step explanation:

For this case we have the following function:

$f(x) = ln(x-5)$

The domain for this function is given by:

$x-5 >0$ since the natural log is not defined for negative numbers

$x>5$ , $D = x \in (5,\infty)$

We can calculate some points in order to see the tendency of the graph, we can select a set of points for example $x =5.5, 6,7,8,9,10$ and we can calculate the values for f(x) like this