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aleksandr82 [10.1K]
3 years ago
11

Tyler simplified the expression x^-3 y^-9. His procedure is show below.

Mathematics
2 answers:
Luba_88 [7]3 years ago
7 0

Answer:

B. Both powers should be in the dominator with positive exponent.

Readme [11.4K]3 years ago
3 0
The answer for the question shown above is: <span>B. Both powers should be in the dominator with positive exponent.
 The explanation is shown below:
 1. You have the following expression given in the problem above:
 x⁻3y⁻9
 2. The negative exponents indicates that </span>x⁻3y⁻9 should be in the denominator with positive exponents. Therefore, you have:
  x⁻3y⁻9=1/x^3y^9
 
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X^2+5x=3x+11 solve by completing the square
goldenfox [79]
X^2+2x-11=0, this would be the answer that you are looking for m8.
7 0
3 years ago
I need help, 15 points!
Ira Lisetskai [31]

Answer:

3(a + 5b + 7c) and 2x(2 + 5y + 11z)

Step-by-step explanation:

3a + 15b + 21c

3(a + 5b + 7c)

4x + 10xy + 22xz

2x(2 + 5y + 11z)

7 0
3 years ago
What is the answer to the length of a rectangle is 5 feet more then the width and the perimeter is 22 what is is width of the re
Margaret [11]
Question:
l = 5 + w
perimeter = 22
width?

Solution:
Perimeter = 22
2(l + w)     = 22
2(5+w+w) = 22
2 (5 + 2w) = 22
     5 + 2w = 11
           2w = 6
             w = 3

The width is 3
3 0
3 years ago
The face of a triangular shaped guitar has an area of 52 in.² and a height of 13 inches. Write an equation to find the length of
Neko [114]
Area of a triangle can be calculated as:

Area = 0.5 x Base x Height

Area is given to be 52 in²
Height is 13 inches.
We are to find the base b of the triangular shaped guitar.

Using the values in above formula, we get:

52=0.5(13)(b) \\  \\ &#10;b= \frac{52}{0.5(13)} \\  \\ &#10;b=8

Thus the base of triangular shaped guitar will be 8 inches. 
5 0
3 years ago
Read 2 more answers
Martha is making lemonade. She needs lemon juice, sugar and water. She needs 1 cup of lemon juice and 3 cups of water. Which cup
mixer [17]

Answer:

0.61 ( A )

Step-by-step explanation:

The standard proportion of Sugar, lemon juice and water needed to make a Lemonade is Usually 1 cup each

But If you Intend to make Your lemonade less sweet you can increase the water or reduce the amount of sugar to ≈ 1 ( i.e. less than 1 but approximately = 1 )

Hence The appropriate amount of sugar needed will be = 0.61

6 0
3 years ago
Read 2 more answers
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