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Alecsey [184]
3 years ago
9

How many elements are in an m x n matrix?

Mathematics
1 answer:
olga nikolaevna [1]3 years ago
5 0

Answer: m X n matrix contains mn elements

Step-by-step explanation:

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Is -√9 an irrational or rational number?<br><br>please help!​
lianna [129]

Answer:

no it is not

Step-by-step explanation:

3 0
3 years ago
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Discuss the various factors which lead to the formation of droughts​
lorasvet [3.4K]

Step-by-step explanation:

Below average rainfall in a region for several months

Not enough rain to be absorbed into the ground before evaporating

Cutting down trees and overuse of land

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3 years ago
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Using binomial theorem, expand (x+6)^8 <br><br> edit: You could use the help of combinations too.
Pavlova-9 [17]

x⁸ + 48x⁷ + 1008x⁶ + 12096x⁵ + 90720x⁴ + 435456x³ + 1306368x² + 2239488x + 1679616

<u>Explanation:</u>

We know

(x+y)ⁿ = ∑ ⁿCₐxⁿ⁻ᵃyᵃ

and ⁿCₐ = n! / ( a! ) . ( n-a )!

So,

(x+6)⁸ = ⁸C₀x⁸ + ⁸C₁(x)⁸⁻¹(6)¹ + ⁸C₂(x)⁸⁻²(6)² + ⁸C₃(x)⁸⁻³(6)³ + .......+ ⁸C₈(x)⁸⁻⁸(6)⁸

         = ₓ⁸ + 8x⁷ₓ 6 + 28x⁶ₓ 36 + 56x⁵ₓ 216 + 70x⁴ₓ 1296 + 56x³ₓ 7776 + 28x²ₓ     46656 + 8x . 279936 + 1679616

         = x⁸ + 48x⁷ + 1008x⁶ + 12096x⁵ + 90720x⁴ + 435456x³ + 1306368x² + 2239488x + 1679616

Thus, the expansion of ( x+6)⁸ using binomial theorm is

x⁸ + 48x⁷ + 1008x⁶ + 12096x⁵ + 90720x⁴ + 435456x³ + 1306368x² + 2239488x + 1679616

4 0
3 years ago
Need help please I will mark brainlist
Dvinal [7]

Answer: C = 7.62

You can verify this answer using this calculator.

7^2 + 3^2 = 58

√58 = 7.62

4 0
3 years ago
HELPPPPPP!!!!!!!Select the correct locations on the graph.
AnnyKZ [126]

Answer:

The second line (the flat one with an angle)

Step-by-step explanation:

Functions are linear when put on a graph.

5 0
3 years ago
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