Find the product of 7.64

Mathematics

1 answer:

Helga [31]3 years ago

8 0

Answer:

58.3696

Step-by-step explanation

7.64 *7.64=58.3696

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The sum of the measures of a pair of alternate angles of two parallel lines is 210°. What are the measures of these two angles?

aniked [119]

The answer is 105 and 105 because they did not tell you that one had more than the other, so it's equal. Plus, it could not be 210 or over or 0 or less. It was spilt up equally between both alternate angles, and the lines are parallel, so the angles are equal. So just do 210/2 and get what one of the angles would be. Great question!

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3 years ago

The Lewis family is building a circular swimming pool if the radius of the pool is 9 feet what is it’s circumference use TT =3.1

zzz [600]

Answer:

C =56.52 ft

Step-by-step explanation:

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C = 2*pi*r where r is the radius

C = 2*3.14 * 9

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3 years ago

When a water-cooled nuclear power plant is in operation, oxygen in the water is transmuted to nitrogen-17. After the reactor is

wolverine [178]

Answer:

The differential equation is $\frac{dR}{dt} = -kR$

Step-by-step explanation:

Differential equation for the rate of change in radiation level:

Radiation level is R.

Rate of change indicates that the radiation level R varies in function of time t, which mathematically means that we have:

$\frac{dR}{dt}$

After the reactor is shut down, the radiation from the nitrogen-17 decreases in such a way that the rate of change in the radiation level is directly proportional to the radiation level.

Rate of change is k. Decreases means that k is negative. Proportional to the radiation level of R means that -k multiplies R. So the differential equation is:

$\frac{dR}{dt} = -kR$

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3 years ago

Simplyfy 8x^4y^5 times 10xy^3

Dennis_Churaev [7]

Answer:

$80x^5y^8$