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PSYCHO15rus [73]

4 years ago

12

the cost C (in dollars) for beads to make bracelets is C = 4x + 180, where x is the number of bracelets. Each bracelet sells for

$34. Write an equation for the revenue R in terms of the number of bracelets

1 answer:

zaharov [31]4 years ago

4 0

Although it looks complicated but actually it is not it eqquation is just f(x)= 34x

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A company selling light bulbs claims in its advertisements that its light bulbs’ average life is 1000 hours. In fact, the life s

Ket [755]

Answer:

The probability that a randomly chosen light bulb will last less than 900 hours is 0.1587.

Step-by-step explanation:

The life span of these light bulbs is normally distributed with a mean of 1000 hours and a standard deviation of 100 hours

Mean = $\mu = 1000 hours$

Standard deviation = $\sigma = 100 hours$

We are supposed to find the probability that a randomly chosen light bulb will last less than 900 hours.i.e. P(x<900)

So, $Z=\frac{x-\mu}{\sigma}$

$Z=\frac{900-1000}{100}$

Z=-1

P(x<900)=P(z<-1)=0.1587

Hence the probability that a randomly chosen light bulb will last less than 900 hours is 0.1587.

4 0

3 years ago

URGENT!!! anyone know this? 10 POINTS!!

In-s [12.5K]

Answer:

b 5.2 *10-4

Step-by-step explanation:

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We are moving the decimal 4 places to the right to make it in scientific notation. This puts it in the form a* 10^b a must be between 1 and less than 10 and b is the number of places we moved it. It we move it to the left it is positive and to the right it is negative.

5.2 *10-4

3 0

4 years ago

Read 2 more answers

Amelia invests money in an account paying simple interest. She invests $100 and no money is added or removed from the investment

defon

Answer:

$\textsf {1 percent}$

Step-by-step explanation:

$\textsf {Simple Interest Formula :}$

$\mathsf {I = P \times r \times t}$

$\textsf {Given :}$

$\textsf {I = 101 - 100 = 1}$

$\textsf {P = 100}$

$\textsf {t = 1}$

$\textsf {Solving :}$

$\mathsf {1 = 100 \times 1 \times r}$

$\mathsf {r = \frac{1}{100}}$

$\mathsf {r = 0.01}$

$\textsf {r = 1 percent}$

6 0

2 years ago

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Allegra planted flowers yesterday morning. She started at 7 a.m. and by 8 a.m., she had planted 9 flowers. At which time had All

FromTheMoon [43]

Hourly, Allegra would plant nine hours. The answer would be D because she would have planted 36 hours in that time.

7 0

3 years ago

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11. What is the value of x?<br><br> A 48<br> B 30<br> C 60<br> D 36

Julli [10]

I believe it’s 36 sorry if it’s incorrect

4 0

3 years ago