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3 years ago

What needed to be present in marine mud to form fossils fuels?

Physics

2 answers:

garri49 [273]3 years ago

6 0

It would be oraganic matter I think.

Alex17521 [72]3 years ago

4 0

I agree I think that is organic matters

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A piece of wire 25 m long is cut into two pieces. One piece is bent into a square and the other is bent into an equilateral tria

Dmitry [639]

Answer:

10.87 m

Explanation:

Total length of the wire = 25 m

Let the length of one piece is y and other piece is 25 - y

Let the side of square is a.

So, 4 a = y

a = y / 4

And the side of triangle is b

3 b = (25 - y)

b = (25 - y) / 3

Area of square, A1 = side x side =

A1 = y² / 16

Area of equilateral triangle, A2 = $\frac{\sqrt{3}}{4}\times b^{2}$

$A_{2}=\frac{\sqrt{3}}{4}\frac{\left ( 25-y \right )^{2}}{9}$

Total area, A = A1 + A2

$A=\frac{y^{2}}{16}+\frac{\sqrt{3}}{4}\frac{\left ( 25-y \right )^{2}}{9}$

For maxima and minima, fins dA /dy

$\frac{dA}{dy}=\frac{y}{8}-\frac{1.732}{18} \times \frac{25-y}{1}$

It is equal to zero.

$\frac{y}{8}=\frac{1.732}{18} \times \frac{25-y}{1}$

9y = 173.2 -6.928 y

15.928 y = 173.2

y = 10.87 m

So, the length of wire to make square is 10.87 m.

3 0

3 years ago

Jupiter's Great Red Spot is

pav-90 [236]

Answer:

2 : A large storm

Explanation: I hope this helps

4 0

2 years ago

Begins to slow down the heart rate is

a_sh-v [17]

Answer:

Having low thyroid level

Explanation:

7 0

3 years ago

150,624 in short word form

coldgirl [10]

Answer:

one hundred fifty thousand, six hundred twenty-four

im not sure if this is right hope it helps you out

4 0

2 years ago

Refrigerated air reads 68°f and appears to be climbing: food is at 41°f. what should you do

Pavel [41]

Answer:

The temperature of the refrigerator should be monitored immediately and reduced to the lower temperature.

Further Explanation:

The food kept in a refrigerator should be taken care in several manner. The temperature of the fridge should be well regulated and taken care of in order to prevent the food spoilage.

The US Food and Drug Administration primarily recommends that the temperature of the refrigerator should be regulated at $40^{\circ} F$ in order to keep the food safe from any infection.

Since the food in the refrigerator is at a lower temperature i.e. $41^{\circ}F$ ,and the temperature of the air in the refrigerator is $68^{\circ}F$ and it is rising, then air of the refrigerator should also be regulated and maintained at the lower temperature.

The air temperature inside the refrigerator should be reduced to $40^{\circ}F$ and it should be maintained at this temperature to save the food from spoilage.

The various measures that should be taken to save the food in the refrigerator are as follows:

The refrigerator should be keep well stocked up in order to maintain the temperature in the refrigerator.
The food in the refrigerator should be kept such that the food that has extreme chances of being spoiled should not be kept at the door of the refrigerator.
The air regulation in the refrigerator should be maintained proper through the vents and the vents for the air flow should not be chocked.

Learn more:

1. Wind and solar energy are examples of brainly.com/question/1062501

2. was the water filtered to remove debris and living organisms brainly.com/question/5646770

3. which statement about electrons and atomic orbitals is not true? brainly.com/question/1832385

Answer details

Grade: Middle school

Subject: Physics

Topic: Refrigeration

Keywords:

Refrigerator, lower temperature, temperature, maintained, regulated, spoilage, air, rising temperature, fridge, stocked, food, air regulation, degree Fahrenheit, degree Celsius, degree centigrade, 68 degree f, 41 degree f, cooling, degree F.

4 0

2 years ago