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Natali [406]
3 years ago
12

To factor 4x2 - 25 , you can first rewrite the expression as:

Mathematics
1 answer:
SSSSS [86.1K]3 years ago
3 0

The answer will be option b. (2x)^2-(5)^2.

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Identify the domain of the following rational expression:
dangina [55]

Answer: D

Step-by-step explanation:

The domain of a function is the allowed 'x' values that the function can take on and produce a defined 'y' value. We can ignore the numerator since it will never be undefined. The denominator on the other hand has a singularity when it equals zero. The reason for this is because we cannot divide by zero. Therefore, lets set the denominator to zero and find which 'x' value makes the function undefined:

3x+15=0

3x=-15

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Every single real 'x' value will work besides when x = -5. Therefore the answer is D

6 0
2 years ago
What’s 6 times -1 times 2
ki77a [65]
6 times -1 times 2 it equals -12
5 0
3 years ago
Jess knows that X to the second power equals 64. Which of the following represents the step that Jess should take to find the co
Furkat [3]

Answer:

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Step-by-step explanation:

3 0
3 years ago
Find m angle d for m angle b = 65<br> The figure is not drawn to scale
Aleksandr [31]

Answer:

Denote O as center of circle, draw OA, OC.

As property of tangent line from outside of circle (angle OAD = angle OCD = 90 deg):

=> AOC + D = 180

Moreover, angle  AOC = 2 x angle B = 2 x 65 = 130

=> D = 180 - 130 = 50 deg

Hope this helps!

:)

8 0
3 years ago
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