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expeople1 [14]
3 years ago
10

How to Simplify the rational expression.

Mathematics
1 answer:
alexandr402 [8]3 years ago
3 0
  2r - 4       2(r - 2)
--------- = -----------   = 2
 r - 2            r - 2

answer
2
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What is the simplified form of this expression?<br><br> 7a2 + 10a − 3a − 2a2
nikklg [1K]

Answer:

What is the simplified form of this expression?

7a2 + 10a − 3a − 2a2

Step-by-step explanation:

7a2 + 10a − 3a − 2a2

Combine like terms

742 + 10a - 3a - 2a2

742 + 7a - 2a2

solution=

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6 0
3 years ago
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Suppose that you are holding your toy submarine under the water. You release it and it begins to ascend. The graph models the de
Likurg_2 [28]

Answer:

Domain :  0 ≤ t ≤ 3

Range :   -4 ≤ d ≤ 0

Step-by-step explanation:

The graph attached models the depth of submarine as a function of time.

Points on x-axis represent the time and points on y-axis represent increase in height of the submarine.

Domain of a function is represented by the points on x-axis.

Therefore, Domain :  0 ≤ t ≤ 3

Range of function is represented by te points on y-axis.

Therefore, Range :   -4 ≤ d ≤ 0

3 0
2 years ago
The function g(x) = 8x2 – 48x + 65 written in vertex form is g(x) = 8(x – 3)2 – 7. What is the vertex of g(x)?
maksim [4K]
The answer is (3, -7). If the function is written in the form y = a(x – h)^2 + k, the vertex will be (h, k). Let's write the function 8x^2 – 48x + 65 in the form of a(x – h)^2 + k. g(x) = 8x^2 – 48x + 65. g(x) = 8x^2 – 48x + 72 - 72 + 65. g(x) = (8x^2 – 48x + 72) - 7. g(x) = (8 * x^2 – 8 * 6x + 8 * 9) - 7. g(x) = 8(x^2 - 6x + 9) - 7. g(x) = 8(x - 3)^2 - 7. The function is now in the form a(x – h)^2 + k, where a = 8, h = 3, and k = -7. Thus, the vertex is (3, -7).
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3 years ago
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Surface area,<br>pls help ​
erastovalidia [21]
192
Solution
(2ft)x(12ft)x(8ft)
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192
Sana po makatulong
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2 years ago
In the united states the speed limit signs are in Miles per hour. Unfortunately, your speedometer only reads in km/hour. How man
ohaa [14]

Hello,

1mph = 1.60934kph

70 x 1.60934 = 112.6538

Answer:

70mph = 112.6538kph

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