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Charra [1.4K]
3 years ago
12

Rewrite 81 as a square or a cube

Mathematics
2 answers:
kolbaska11 [484]3 years ago
5 0
9 squared is 81
81=9^2
Or, (3^2)^2. Double square!
Reika [66]3 years ago
4 0

Answer:

9 squared

or 3^4 is also 81

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For which value of x will the rational expression below be undefined? Check all that apply. (x-5)(x+2)/x+1 A. -5 B. -1 C. 1 D. 5
Tresset [83]

Answer:

  • B. -1

Step-by-step explanation:

<u>Given expression:</u>

  • (x-5)(x+2)/(x+1)

<u>This is undefined when the denominator is zero:</u>

  • x + 1 = 0
  • x = -1

Correct choice is B

3 0
3 years ago
Read 2 more answers
What is the multiplicative identity matrix? What is it similar to in the set of real numbers? Explain your answer
bagirrra123 [75]

Answer:

An identity matrix, is a matrix that have '1' in the main diagonal. All of the other terms are '0'. When you multiply any matrix by the identity matrix, the result is the same matrix that you multiplied.

Example:

\left[\begin{array}{ccc}1&0&0\\0&1&0\\0&0&1\end{array}\right]

In the set of the real number is the same that the application of identity property.

Every number multiplied by 1 es the same number.

Step-by-step explanation:

7 0
3 years ago
An owner of Honda City car sells his car at a price of RM 7.50,000 with a loss present of 12.5%. Then find the price at which he
Mars2501 [29]

Answer:

Cost = RM 857143

Loss = RM 107143

Step-by-step explanation:

<u>Given:</u>

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  • Cost price CP = x

<u>Cost price is found as:</u>

  • SP = CP - 12.5%
  • 750000 = x - 12.5%
  • 750000= x*(100-12.5)/100
  • 750000= 0.875x
  • x= 750000/0.875
  • x≈ RM 857143

<u>Loss is:</u>

  • RM 857143 - 750000 = RM 107143

8 0
3 years ago
Select the expression that shows the application of the distributive property for
sergeinik [125]

Answer:

c. 9t+45 that shows distributive property

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8 0
2 years ago
A pair of angles which share a common side and vertex is called
zheka24 [161]

Answer: Adjacent Angles

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3 years ago
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