2 years ago

Ice is placed in hot water. What happens to the temperature of the ice and the water?

Mathematics

2 answers:

ANTONII [103]2 years ago

8 0

C. The ice gets warmer, and the water gets colder.

Murljashka [212]2 years ago

6 0

Answer:

i dont know bro

Step-by-step explanation:

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56.9 would be the anser

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A study is done by a community group in two neighboring colleges to determine which one graduate's students with more math class

ozzi

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thats a long question my friend

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3 years ago

A motion sensor has a range of 65 meters as shown. The ultrasonic waves sweeping out from the sensor span an angle of 135°.

VMariaS [17]

The approximate area that is within range of the motion sensor is 4975 square meters

<h3>How to determine the area of the range?</h3>

The figure is not given, however the area of the range can be calculated without the figure.

The given parameters are:

Angle, ⊕ = 135°

Radius, r = 65 meters

The area of the range is calculated using the following sector area

$A = \frac{\theta}{360} * \pi r^2$

This gives

$A = \frac{135}{360} * 3.14 * 65^2$

Evaluate

A = 4974.9375

Approximate

A = 4975

Hence, the approximate area that is within range of the motion sensor is 4975 square meters

Read more about sector areas at:

brainly.com/question/16736105

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2 years ago

How many odd numbers are greater than 30 and<br> less than 40?

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Answer:

5 odd numberis there 31,33,35,37,39

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2 years ago

092:15 PMEach month, henry weeds gardens for 15 hours and mows lawns for x hours.For each job, he is paid $9 per hour. He wants

ankoles [38]

We know that he weeds gardens for 15 hours, and mows lawns for x hours.

If he wants to earn $252 per month, we can express the following

$9\cdot15+9x\ge252$

Now, we solve for x

$\begin{gathered} 135+9x\ge252 \\ 9x\ge252-135 \\ 9x\ge117 \\ x\ge\frac{117}{9} \\ x\ge13 \end{gathered}$ <h2>Hence, he has to mow lawns for 13 hours to earn at least $252.</h2>

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1 year ago