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Allushta [10]
2 years ago
13

1. A company buys a digital scanner for $12,000. The value of the scanner is 12,000 (1 – 3) after n years. The

Mathematics
1 answer:
GREYUIT [131]2 years ago
8 0
Sorry not sure. :(((((
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Dario buys applesauce for a family reunion. He needs 23 cups, and he buys them in packs of 6. How many packs does Dario need?
hodyreva [135]
He has to buy 4 packs. If you divide 23 by 6, you get 3.833 but you can’t buy a fraction of a pack so you have to round up and buy 4 packs. Hope this made sense; I can explain further if needed!
4 0
3 years ago
Help Me ASAP!!!!!!!!!!!!!!!!!!PLZ!!!!!!!!!!
MrRissso [65]

Answer: Choice B

{(0,0), (1,2), (2,4), (3,4)}

===============================================

Explanation:

A function is only possible if each x input leads to exactly one y output. For choice A, we have x = 1 lead to y = 3 and y = 5 at the same time, which is what the points (1,3) and (1,5) are saying. Therefore, choice A is not a function.

Choice C is also ruled out because x = 2 repeats itself as well. In this case, (2,3) and (2,4) means that the input x = 2 leads to the two outputs y = 3 and y = 4.

Choice D can be eliminated also for two reasons: x = 0 shows up twice, so does x = 2.

Only choice B has each x value listed one time only. So that means each input leads to exactly one output.

If you graph choice A, C or D, you'll find they fail the vertical line test. The vertical line test is where you test if you can draw a vertical line through more than one point on the graph. If you can draw a vertical line through more than one point on the graph, then the relation fails to be a function.

8 0
3 years ago
Read 2 more answers
The temperature of coffee served at a restaurant is normally distributed with an average temperature of 160 degrees Fahrenheit a
posledela

Answer:

The 20th percentile of coffee temperature is 155.4532 degrees Fahrenheit.  

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 160 degrees

Standard Deviation, σ = 5.4 degrees

We are given that the distribution of temperature of coffee is a bell shaped distribution that is a normal distribution.

Formula:

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

We have to find the value of x such that the probability is 0.2

P( X < x) = P( z < \displaystyle\frac{x - 160}{5.4})=0.2  

Calculation the value from standard normal z table, we have,  

\displaystyle\frac{x - 160}{5.4} = -0.842\\\\x = 155.4532  

Thus,

P_{20}=155.4532

The 20th percentile of coffee temperature is 155.4532 degrees Fahrenheit.

7 0
2 years ago
NEED HELP ASAP PLEASE!
exis [7]
1B
2C
p/s : follow me and I will help you more about maths
5 0
3 years ago
Tan(-100) is equivalent to
OLga [1]
5.67 (performed on a calculator)
8 0
3 years ago
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