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AysviL [449]
3 years ago
6

You place a cup of 200oF coffee on a table in a room that is 67oF, and 10 minutes later, it is 195oF. Approximately how long wil

l it be before the coffee is 180oF? Use Newton's law of cooling
Mathematics
1 answer:
Nikolay [14]3 years ago
8 0
30 minutes i think is the answer?
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29.
just olya [345]
An apothem is a line drawn from the centerpoint of the polygon to one side of the polygon. There is a formula for area in terms of apothem:

A = (1/2)*(Perimeter)*(Apothem)

The perimeter of the regular hexagon is just the length of one side multiplied with the number of sides. Since a hexagon has 6 sides,

P = 6(15) = 90in

A = 1/2 * 90 * 13
A = 585 square inches
8 0
3 years ago
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Integrate 2x/sqrt(1-x^2) dx from 0 to ½.
8_murik_8 [283]
A short-cut to accurately evaluate the given expression above is using a scientific calculator where one can include integrals and evaluate using limits. In this case, using a calculator, the answer is equal to 0.2679. One can verify this by integrating truly letting 1-x^2 as u and use its du to be substituted in the numerator
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3 years ago
29.22
Advocard [28]

Answer:

2x +5y = -15

Step-by-step explanation:

We need to find the slope

m = (y2-y1)/(x2-x1)

   = (-7--1)/(10- -5)

   = (-7+1)/(10+5)

   -6/15

  -2/5

The point slope form

Y+7= -2/5 (x - 10).

Distribute

y + 7 = -2/5x + 4

Add 2/5 x to each side

2/5x +y +7 = 4

Subtract 7 from each side

2/5x +y = -3

Multiply each side by 5

5(2/5x +y) = -3*5

2x +5y = -15

This is standard form Ax + By = C where A is a positive integer

8 0
3 years ago
What is a social institution<br>​
Tatiana [17]
A social institution consists of a group of people who have come together for a common purpose. These institutions are a part of the social order of society and they govern behavior and expectations of individuals.
6 0
3 years ago
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Someone plz help me!!!
Over [174]
w(x)=|-x-3|\\\\q(x)=|x|+3\\\\h(x)=|x-3|\\\\f(x)=|x+3|-3
8 0
3 years ago
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