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Lynna [10]
4 years ago
12

Very confusing problem

Mathematics
1 answer:
Ronch [10]4 years ago
4 0

Answer:

b = 5

Step-by-step explanation:

if parallelogram is a rectangle, then the two diagonals has the same length

10/12 x(24/5 x b - 36/5) = 2/3 x (3b + 6)

4b - 6 = 2b + 4

2b = 10

b = 5

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Factor completely 3a^4y^3 − 12a^3y^2 + 6a^2y.
Leto [7]
The answer would be 6(2x^4y^3-6x^3y^2+x^2y)
7 0
3 years ago
If f(x) = -6x + 6, then f-(x) =D
Basile [38]

Answer: f-(x)=6x-6

Step-by-step explanation: Negative times a positive is negative. Negative times a negative is a positive. Works the same with f(x) representation.

6 0
3 years ago
Given: AABC, AC = 5<br> m C = 90°<br> m A= 22°<br> Find: Perimeter of AABC<br> A<br> C<br> B
Leto [7]

9514 1404 393

Answer:

  perimeter ≈ 12.4 units

Step-by-step explanation:

The side adjacent to the angle is given. The relationships useful for the other two sides are ...

  Tan = Opposite/Adjacent

  Cos = Adjacent/Hypotenuse

From these, we have ...

  opposite = 5·tan(22°) ≈ 2.02

  hypotenuse = 5/cos(22°) ≈ 5.39

Then the perimeter is ...

  P = a + b + c = 2.02 + 5 + 5.39 = 12.41

The perimeter of ∆ABC is about 12.4 units.

7 0
3 years ago
What is this answer I need help 3x^2-48=0
devlian [24]

Answer: the answer is X=8


Step-by-step explanation:


3 0
3 years ago
How do you simplify 2x +5 +(6x +1)
tamaranim1 [39]
<span>Simplifying 2x + 5 + 6x + -1 = 120
Reorder the terms: 5 + -1 + 2x + 6x = 120
Combine like terms: 5 + -1 = 4 4 + 2x + 6x = 120
Combine like terms: 2x + 6x = 8x 4 + 8x = 120 Solving 4 + 8x = 120
Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + 8x = 120 + -4 Combine like terms: 4 + -4 = 0 0 + 8x = 120 + -4 8x = 120 + -4
Combine like terms: 120 + -4 = 116 8x = 116 Divide each side by '8'. x = 14.5 Simplifying x = 14.5</span>
8 0
3 years ago
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