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2 years ago

11

What is the point of symmetry for the following circle? 10 Points!

1 answer:

miskamm [114]2 years ago

6 0

P. o. symm is at (-3, -1) it is the center of the circle.

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You have 2,112 grams of a radioactive kind of mercury. How much will be left after 188 days if it's half-life is 47 days?

Anastasy [175]

Answer:

132 g

Step-by-step explanation:

Initial amount = 2112 g
Time = 188 days
Half-life = 47 days

188 days / 47 days = 4 periods

<u>Mercury left after 188 days:</u>

2112 * (1/2)^4 =
2112* 1/16 =
2112/16 =
132 g

4 0

2 years ago

A neighbor needs to put up a square fence around her garden to keep the deer out. If the area is 500 square feet, how much fence

Maurinko [17]

Let's say side length is s.
s*s = 500, so s = √500.

4 sides needed, total length thus 4*s.

4√500 ≈ 89.4

4 0

2 years ago

Given the two points (2,4) and (-3,2), what is the slope of the line that goes through both of these points?

Andreyy89

With the formula: m=(y1-y2)/(x1-x2) you can sub in the values to get the slope (m).

m=(4-2)/(2-(-3))
= 2/5

Therefore the slope is 2/5.

5 0

2 years ago

Read 2 more answers

Caleb was recently hired for a job with an annual income of $35,000. Using the federal income rate of 15 %, what amount should C

Ipatiy [6.2K]

Answer:

<h2 /><h2><em><u>an</u></em><em><u>swer</u></em><em><u> will</u></em><em><u> be</u></em><em> </em><em>5</em><em>2</em><em>5</em><em>0</em></h2>

<em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em>

<em> $35000 \times \frac{15}{100} = 350 \times 15 = 5250$ </em>

7 0

3 years ago

In the coordinate plane, three vertices of rectangle abcd are a(0, 0, b(0, a, and d(b, 0. what are the coordinates of point c?

serious [3.7K]

So the point would be c)0,0

3 0

3 years ago