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S_A_V [24]
3 years ago
15

Factor completely: 81x4 – 81 (9x2 + 9)(9x2 – 9) (3x + 3)2(3x – 3)2 (3x + 3)(3x – 3) (9x2 + 9)(3x + 3)(3x – 3)

Mathematics
2 answers:
Eduardwww [97]3 years ago
7 0
Last voice (9x^2+9)(3x-3)(3x+3)
Aleksandr [31]3 years ago
5 0
81 is the same as 3⁴.

Thus, we can write it as:
(3x)^{4} - 3^{4}
= [(3x)^{2}]^{2} - [3^{2}]^{2}
= [(3x)^{2} - 3^{2}][(3x)^{2} + 3^{2}]
= (3x - 3)(3x + 3)[(3x)^{2} + 3^{2}]
= (3x - 3)(3x + 3)(9x^{2} + 9)
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Answer:

A

Step-by-step explanation:

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3 years ago
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What is the slope of the line that passes through the points ( 5 , 6 )and ( 5 , 9 ) ? Write your answer in simplest form.
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8 0
2 years ago
If hospital ICU room rates are $784.00 per day, how many days was a patient in ICU if their total room charge is $10,192.00?​
babunello [35]
Answer:
13 days
Step-by-step explanation:
The easiest way to calculate this is to take the total room charge ($10,192.00) and divide by the room rate per dayday ($784.00). This equation looks like 10,192 ÷ 784 = 13
This works out because you are just trying to see how many times that one day charge will fit into the total cost charge.

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2 years ago
If you answered 37 problems correctly on a 42 question test, what percent would you recieve
OleMash [197]
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5 0
3 years ago
How much fabric is needed to make a tent in the shape of a triangular prism with the following measures?
Contact [7]

Answer:

The fabric needs 196.4 ft²

Step-by-step explanation:

∵ The tent formed formed from 4 faces

  two equilateral triangles with side length 7 ft

  two rectangles with dimensions 11 ft and 7 ft

∵ Area equilateral Δ = 1/4 S²√3

∵ Area rectangle = L × W

∴ The area of the prism = 2 × 1/4 × (7)²√3 + 2 × 7 × 11

                                        = 196.4 ft²

Note:

If you find the area of the triangle by the rule 1/2 × base × height

∴ Area Δ = 1/2 × (7) × 6 = 21 ft²

∴ Area tent = 2 × 21 + 2 × 77 = 196 ft²

Two answer very closed

8 0
3 years ago
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