The answer is C. The numerator 7x+14 can be factored as 7(x+2). The denominator 2x^2+2x-6 can be factored as (x+2)(2x-3). The greatest common divisor of 7(x+2) and (x+2)(2x-3) is obviously x+2, which is contained in both of the two expressions.
Answer:
y = 12
Step-by-step explanation:
set up equation for 'y varies inversely with x': y = k/x
where 'k' is the constant of variation
8 = k/6
therefore, k = 48
value of y when x = 4: y = 48/4; therefore, y = 12
Answer:
25.2
Step-by-step explanation:
4 1/5 = 4.2
4.2 x 6 = 25.2
Answer: 0
Step-by-step explanation:
To find slope, I found that an easy way is the equation y2 - y1 over (divided by) x2 - x1
so for this, it would be:
which is 0/7
0 divided by 7 is 0, so there is your answer
If a circle has a radius of 
, it is true that: <u>D. The </u><u>circumference </u><u>of the </u><u>circle </u><u>is </u>
<u />
<em><u>Recall the following about a </u></em><em><u>circle</u></em><em><u>:</u></em>
- Area of a circle =
- Circumference of a circle =
If a circle has a radius of 
, the area and circumference of the circle would be the following:
- Area of a circle =
- Substitute
into the area formula
- Circumference of a circle =
- Substitute into the circumference formula
Therefore, if a circle has a radius of , it is true that: <u>D. The </u><u>circumference </u><u>of the </u><u>circle </u><u>is </u><u />
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