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3 years ago

5

the product of two numbers is larger than 800, but smaller than 900. if one of the numbers is 32, what might the other number be

?

1 answer:

Marizza181 [45]3 years ago

4 0

24 could be a possible answer or 23

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Andrew purchased a car for $19,500 the value of the car depreciates at a rate of 8.6% each year. which equation models the value

pav-90 [236]

If the value depreciates 8.6%, it is 91.4% of what it was the year before. The value can be modeled by
y = 19500(0.914)^x

7 0

3 years ago

You visit the Grand Canyon and drop a penny off the edge of a cliff. The distance the penny will fall is 16 feet the first secon

fiasKO [112]

The penny will fall 112 feet the fourth second, 144 feet the fifth second, and 176 feet the sixth second. Therefore, the penny will be a total of 576 feet from the cliff at six seconds.

5 0

3 years ago

What is equivelant to 5 to the power of -1?

Mazyrski [523]

$\frac{1}{5}$ Or 0.2

3 0

3 years ago

The mean cost of a five pound bag of shrimp is 40 dollars with a standard deviation of 7 dollars. If a sample of 51 bags of shri

eimsori [14]

Answer:

$P(|\bar{x}-40| > 0.6)=0.5404$

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 40 dollars

Standard Deviation, σ = 7 dollars

Sample size,n = 51

We are given that the distribution of cost of shrimp is a bell shaped distribution that is a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

Standard error due to sampling =

$=\dfrac{\sigma}{\sqrt{n}} = \dfrac{7}{\sqrt{51}} = 0.9801$

P(sample mean would differ by true mean by more than 0.6)

$P(|\bar{x}-40| > 0.6)\\\Rightarrow = 1-P(39.4$

$P(39.4 \leq x \leq 40.6) \\\\= P(\displaystyle\frac{39.4 - 40}{0.9801} \leq z \leq \displaystyle\frac{40.6-40}{0.9801})\\\\ = P(-0.6121 \leq z \leq 0.6121)\\= P(z \leq 0.6121) - P(z < -0.6121)\\= 0.7298 - 0.2702 =0.4596$

$P(|\bar{x}|-40 > 0.6)\\= 1-0.4596=0.5404$

0.5404 is the required probability.

4 0

3 years ago

Which expression helps you find the length x of a side of a rectangle that has a diagonal of 15 units and a width of 9 units?

amid [387]

A. x^2 = 15^2 - 9^2

Here's why:
c^2 = a^2 + b^2

from the question:
15^2 = 9^2 + x^2

15^2 - 9^2 = x^2 which is similar to answer in A.

8 0

3 years ago