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liq [111]
3 years ago
11

NEED HELP ASAP ‼️‼️I BELIEVE ANSWER IS C

Mathematics
1 answer:
shutvik [7]3 years ago
5 0

Answer:

I agree with your answer C!!

Step-by-step explanation:

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What is the volume of a rectangular crystal with a length (1) of 2.2 cm, a width (w) of 2 cm, and a height
Virty [35]

Answer:

7.92 cm^3

Step-by-step explanation:

To find volume all you have to do is multiply the length, width, and height. The answer would be: l * w * h = 2.2 * 2 * 1.8 = 7.92 cm^3.

5 0
3 years ago
Round 0.42 to the nearst tenth
Archy [21]
0.4 because if it’s five or more, add one more. If it’s four or less, let it rest.
4 0
3 years ago
Please Help Quick<br> I Have 5 Minutes
Montano1993 [528]

Answer:

I think 25.50

Step-by-step explanation:

7 0
2 years ago
The rate at which the temperature is dropping is 6t 5t2 degrees Celsius per hour t hours after sundown. How much had the tempera
Whitepunk [10]

Using a differential equation, it is found that the temperature dropped 72 degrees Celsius between sundown and 3 hours after sundown.

<h3>What is the differential equation that describes the temperature in t hours after sundown?</h3>

The rate at which the temperature is dropping is 6t + 5t^2 degrees Celsius per hour t hours after sundown, hence the <em>differential equation</em> is:

\frac{dT}{dt} = 6t + 5t^2

Applying <em>separation of variables</em>, we find the solution as follows:

\frac{dT}{dt} = 6t + 5t^2

dT = (6t + 5t^2) dt

\int dT = \int (6t + 5t^2) dt

T(t) = \frac{5t^3}{3} + 3t^2 + T(0)

In which T(0) is the temperature at sundown.

In 3 hours, the change will be of:

C = T(3) - T(0) = \frac{5t^3}{3} + 3t^2|_{t = 3}

Hence:

\frac{5(3)^3}{3} + 3(3)^2 = 45 + 27 = 72

The temperature dropped 72 degrees Celsius between sundown and 3 hours after sundown.

You can learn more about differential equations at brainly.com/question/24348029

5 0
2 years ago
50 x 50 + 100 - 43 =
vivado [14]
50 x 50 + 100 - 43 = 2557
8 0
2 years ago
Read 2 more answers
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