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777dan777 [17]
4 years ago
9

When you went to sleep, the temperature was −2.8°C.

Mathematics
1 answer:
galben [10]4 years ago
7 0

D

The larger the number the warmer it is

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You are building a new house on a cartesian plane whose units are measured in miles.
Wewaii [24]
We first find the shortest distance between the point (2, 0) and the curve y=\sqrt{16x^2+5x+16}
Let the point on the curve for which the line making the shortest distance be (x, y), then
d= \sqrt{(x-2)^2+(y-0)^2} = \sqrt{(x-2)^2+y^2}
But, y=\sqrt{16x^2+5x+16}
Therefore,
d=\sqrt{(x-2)^2+(\sqrt{16x^2+5x+16})^2}=\sqrt{x^2-4x+4+16x^2+5x+16}\\= \sqrt{17x^2+x+20}
For minimum d(d)/dx = 0
\frac{d(d)}{dx} = \frac{34x+1}{2 \sqrt{17x^2+x+20}} =0\\34x+1=0\\x=- \frac{1}{34}
Therefore, shortest distance is
d= \sqrt{17(- \frac{1}{34})^2- \frac{1}{34}+20 } = \sqrt{ \frac{1359}{68}} =4.47 \ miles
Since it costs 400 dollars per mile, 4.47 miles will cost 4.47 x 400 = $1,788.20
7 0
3 years ago
Read 2 more answers
When describing average home sales prices, explain why the median might be more appropriate measure of center than the mean. Are
Anni [7]

Q. When describing average home sale prices, explain why the median might be more appropriate measure of center than the mean. A. When looking for the average, we usually don't get the approximate price that we are looking for. What we are instead receiving is the rounded figure from the various other prices, rather than finding the "center" price. Whereas, in finding the median, we get the center price (since using median we find the number that is in the approximate middle). That will get us the "core" price for the selection of the homes instead of getting the rounded figure in average. Q. Are all home prices about the same in a city? A. There are no approximate answer for this. This topic is similar to when you are deciding where to start your next business. You need to look at the environment, education, communication etc., before deciding to buy a house. From my point, I would say that not all the houses in the city have the same price. You need to look most at the built-in architectural designs to have a higher price. However, if you look for a some-what luxury house, then you will have more of a lower price.

3 0
4 years ago
What is the range of the function<br> f(x) = (x - 1)? when the domain is {-5, 0,5}?
Nimfa-mama [501]

Answer:

f(x) = (x - 1)2

f(x) = 2x - 2

let x = -5, f(x) = -12

let x = 0, f(x) = -2

let x = 5, f(x) = 8

range is {-12, -2, 8}

7 0
3 years ago
0.00147 in standard form.
Savatey [412]
In standard form it would be 0.147
8 0
3 years ago
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What is this reduce to the lowest term
vesna_86 [32]

Answer:

5238 * 7 = 36666

Step-by-step explanation:

3 0
3 years ago
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