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Dvinal [7]
3 years ago
12

Before the eruption of a​ volcano, the volcano was 2.75 kilometers high. After the​ eruption, the volcano was 2.25 kilometers hi

gh. Find the difference in height of the volcano before and after the​ eruption, in meters.
Mathematics
1 answer:
SOVA2 [1]3 years ago
4 0
Before the eruption the vulcano was 2.75 km high, what is equal to (2,75x1000) 2750 m. After the eruption it was 2250 meters high. The difference would then be 2750-2250= 500 meters.
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4m is greater or less then 400 dm
Tcecarenko [31]

Answer:

greater

Step-by-step explanation:

8 0
3 years ago
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Find the product. (r s)2 r² 2rs s r² 2rs s² r² 2rs 2s².
sveta [45]

The product of the given expression is \rm 2r^3+ s^3r^3+ 2r^3s + sr^3+ 2s^3+ 6rs.

Given

The product of \rm 2r^2(r + s) + 2rs + s^2 + 2rs + s^2r^2+ 2rs + 2s^2.

<h3>What is multiplication?</h3>

Multiplication is the process of calculating the product of two or more numbers.

The multiplication of numbers say, ‘a’ and ‘b’, is stated as ‘a’ multiplied by ‘b’.

The product of \rm 2r^2(r + s) + 2rs + s^2 + 2rs + s^2r^2+ 2rs + 2s^2 is given by;

\rm 2r^2(r + s) + 2rs + s^2 + 2rs + s^2r^2+ 2rs + 2s^2\\\\(2r^3 + 2r^2s) + 2rs + 2rs + 2rs + s^2r^2 + sr^2 + 2s^2\\\\2r^3+ 2r^2s + 6rs + s^2r^2 + sr^2+ 2s^2

\rm 2r^3+ s^3r^3+ 2r^3s + sr^3+ 2s^3+ 6rs

Hence, the product of the given expression is \rm 2r^3+ s^3r^3+ 2r^3s + sr^3+ 2s^3+ 6rs.

To know more about Multiplication click the link given below.

brainly.com/question/19943359

6 0
2 years ago
9m 7.2m 3m find the volume
skelet666 [1.2K]

Answer:

<u>The volume of the prism is 97.2 m³</u>

Step-by-step explanation:

Let's recall that the volume of a triangular prism is base * height and the base is a triangle, then the formula is as follows:

Volume = 1/2 (base of the triangle * height of the triangle) * height of the prism

Replacing with the real values, we have:

Volume = 1/2 (7.2 * 9) * 3

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<u>The volume of the prism is 97.2 m³</u>

5 0
3 years ago
What do I do about the variables
Shkiper50 [21]
3x(9x² + 11x - 5) + 2(2x³ + 11x - 5x²) - 5x² + 8

Simplify.

27x³ + 33x² - 15x + 4x³ + 22x - 10x² - 5x² + 8

Add like terms.

(27x³ + 4x³) + (33x² - 10x²) + (-15x + 22x) + 8

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~Hope I helped!~
6 0
3 years ago
Please help me out!
stepan [7]

Answer: less than.

Explanation:

1) The function f(x)= [x] returns the integer number that is less than x.

2) For example,

[3.0] = 3

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4 0
3 years ago
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