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3 years ago

2.6 as a repeating decimal into a simplified fraction

Mathematics

1 answer:

sveticcg [70]3 years ago

7 0

2 2/3

Put them together it’s a mixed fraction

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A small publishing company is planning to publish a new book. The production costs will include one-time fixed costs (such as ed

crimeas [40]

23245 + 21.50b = 46389 + 10.50b
21.50b - 10.50b = 46389 - 23245
11b = 23144
b = 23144/11
b = 2104 <== the cost will be the same at 2104 books

7 0

3 years ago

A cd tower is shaped like a cylinder and holds cds with a diameter of 4.75 inches. if the cd tower is 12 inches tall, what is it

allochka39001 [22]

Volume hold
= 3.14 × 2.375^2 × 12
= 212.54

8 0

3 years ago

Read 2 more answers

There are three workstations available having steady-state probabilities of 0.99, 0.95, 0.85 of being available on demand. What

faust18 [17]

Answer:

99.065% probability that at least two of the three will be available at any given time.

Step-by-step explanation:

We have these following probabilities:

99% probability of the first workstation being available

95% probability of the second workstation being available

85% probability of the third workstation being avaiable

Two being available:

We can have three outcomes

First and second available, third not. So

0.99*0.95*0.15 = 0.141075

First and third available, second not. So

0.99*0.05*0.85 = 0.042075

Second and third available, first not. So

0.01*0.95*0.85 = 0.008075

Adding them all

P(2) = 0.141075 + 0.042075 + 0.008075 = 0.191225

Three being available:

P(3) = 0.99*0.95*0.85 = 0.799425

What is the probability that at least two of the three will be available at any given time?

P = P(2) + P(3) = 0.191225 + 0.799425 = 0.99065

99.065% probability that at least two of the three will be available at any given time.

3 0

3 years ago

On a recent day, 8 euros were worth $9 and 40 euros were worth $45. Enter an equation of the form y = kx to show the relationshi

Nataliya [291]

Answer: y = 1.125x

Step-by-step explanation:

Divide the amount in dollars by the number of euros.

9/8 = 1.125

45/40 = 1.125

Since the constant change is 1.125, the input the 1.125 into the formula y=kx for k to get the equation y = 1.125x

3 0

3 years ago

Find so that the point (-1,2) is on the graph f(x)=ax^2+4. What does A equal?

natali 33 [55]

We have to find the parameter a so that (-1,2) is part of the function f(x) = ax²+4.

To check if a point is part of a function, we can replace the values of x and y = f(x) with the coordinates of the point and then, if the equation stays true, then the point is part of the function.

So for (x,y) = (-1,2) to be part of the function y = f(x), this equation has to stands true:

$\begin{gathered} y=f(x) \\ y=ax^2+4 \\ 2=a(-1)^2+4 \\ 2=a+4 \\ a=2-4 \\ a=-2 \end{gathered}$

Then, the function would have to be f(x) = -2x² + 4.

We can check with a graph as:

Answer: a = -2

8 0

1 year ago