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kolbaska11 [484]
3 years ago
6

How do you find the answer so confused

Mathematics
1 answer:
alexandr402 [8]3 years ago
5 0
For which question, I can help,
<span>for number 9, parallel lines have the same exact slope, so divide each of them by to isolate the y and then see if the slope (number multiplied by x) is the same as the other problems . PS: focus on the slope, rest of equation doesn't matter in this question</span>
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The difference of twice a number and three is​
never [62]

Answer:

2

Step-by-step explanation:

given the difference of twice a number and one is three to find "number" let the number be x

2x - 1 =3

2x = 4

x= 2

thus the number is 2

3 0
3 years ago
How many degrees in 2/3 of a circle
sergejj [24]

Answer:

A full circle is 360 degrees so 2/3 is 120

Step-by-step explanation:

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3 years ago
Prove ab and ac are congruent
Rainbow [258]

Answer:

the right answer is D.) AC and AB are both chords of A

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3 years ago
What are the solutions of the equation (x+2)^2-2(x+2)-15=0
Nina [5.8K]

Answer:

The solutions to this are x = -5, and x = 3.

Step-by-step explanation:

This can be solved by rearranging the equation into a proper quadratic format, and factoring it:

(x + 2)^2 - 2 (x + 2) - 15 = 0\\x^2 + 4x + 4 - 2x - 4 - 15 = 0\\x^2 + 2x - 15 = 0\\(x + 5)(x - 3) = 0

This tells us that the x can be equal to  -5 or 3.

8 0
3 years ago
What does SOH,CAH,TOA mean?​
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Use Sin if Opposite Hypotenuse, Use Cosine if Adjacent Hypotenuse, and Use Tangent if Opposite Adjacent

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