The given algebraic expression is equal to 1 divided by the quantity 4 times x to the two-ninths power end quantity. The correct option is B.
<h3>What is an Expression?</h3>
In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context.
The given algebraic expression can be simplified using the exponential properties. Therefore, the simplification of the algebraic expression can be done as shown below.
Hence, the correct option is B.
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The error Alex made while simplifying the expression 7+(3x 1. 4)+5+2+(5x1. 4) is "he found the perimeter of the figure instead of the area".
<h3>How to find area of an object?</h3>
The area of an object is the product of the length and width of the objects.
Alex added the dimensions of the grid instead of multiplying them.
7+(3x 1. 4)+5+2+(5x1. 4)
For instance,
- Area of a rectangle = length × width
- Perimeter of a rectangle = 2(length + width)
Therefore, Alex found the perimeter of the figure instead of the area".
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Answers are 1. a = 32, b = 2, 3. c = 4, 4. x = -3, 5. y = -7, 6. z = -2, 7. m = -7, 8. n = -4, 9. s = -3, 10. r = 5, 11. t = 3, 12. p = 2, 13. x = 9, 14. w = 6, 15. g = 1.5, 16. v = -16, 17. b = -6, 18. h = -5, 19. k = -2.5, 20. d = -3.5, 21. r = -8, 22. z = -9, 23. x = -7, 24. y = 3.5, 25. y = 9, 26. w = 8.
Step-by-step explanation:
Step 1; To solve the given equations we keep the unknown variable on one side while the known numbers are taken to the other side. If both sides are negative the answer has a positive value while if one side is positive and one side is negative, the answer is negative.
Step 2; Solve
1. a = 9/3= 3,
2. b = 14/7 = 2,
3. c = 36/9 = 4,
4. x = -15/5 = -3,
5. y = 28/-4 = -7,
6. z = -16/8 = -2,
7. m = 28/-4 = -7,
8. n = 8/-2 = -4,
9. s = -21/7 = -3,
10. r = -25/-5 = 5,
11. t = -18/-6 = 3,
12. p = -18/-9 = 2,
13. x = 18/2 = 9,
14. w = 24/4 = 6,
15. g = 9/6 = 1.5,
16. v = -32/2 = -16,
17. b = -18/3 = -6,
18. h = -35/7 = -5,
19. k = 20/-8 = -2.5,
20. d = 14/-4 = -3.5,
21. r = -72/9 = -8,
22. z = 27/-3 = -9,
23. x = -35/5 = -7,
24. y = 28/8 = 3.5,
25. y = 81/9 = 9,
26. w = 16/2 = 8.
Answer:
1001
Step-by-step explanation:
You need to add the surface areas up together
