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Thepotemich [5.8K]
3 years ago
7

When graphing a circle can the the radius be negitive?

Mathematics
1 answer:
Lerok [7]3 years ago
3 0
No. The circle can be composed of completely negative coordinates, but the radius is always a positive value. You can prove this by plugging any point and the center into the distance formula.
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A triangular pyramid is formed from three right triangles as shown below.
Bess [88]

Answer:

  FH = 108

Step-by-step explanation:

The given figure requires we use the Pythagorean theorem to write two relations involving right triangle side lengths. The Pythagorean theorem tells us the square of the hypotenuse is the sum of the squares of the other two sides.

__

<h3>Triangle EGH:</h3>

  EG² = GH² +HE²

  GH² = EG² -HE² = 53² -28² = 2025 . . . . . solve for GH², use given values

<h3>Triangle FGH:</h3>

  FG² = GH² +FH²

  FH² = FG² -GH² = 117² -2025 = 11664 . . . . solve for FH², use known values

  FH = √11664 = 108 . . . . . take the square root

The length FH is 108.

6 0
3 years ago
A small bag of trail mix contains 3 cups of dried fruit and 4 cups of almonds. A large bag contains 4 1/2 cups of dried fruit an
Nesterboy [21]

Answer:

The system don't have a unique solution

Step-by-step explanation:

We define the problem in different variables:

Dried Fruit is going to be x

Almonds are going to be y

So, in this new terms we have that a small bag (S) and a large bag ( L) are going to be represented by:

  1.      3x+4y=S
  2.      4\frac{1}{2}x+6y=L

If we multiply both sides of the first equation by 1.5 we got this:

  1.      4\frac{1}{2}x+6y=1.5S
  2.      4\frac{1}{2}x+6y=L

Therefore we can notice that the system of equations has an unlimited number of soltions because is a consistent and dependent system.

3 0
3 years ago
All diameters of a circle have the same blank
TEA [102]

Answer:

the width and diameter are the same because all such pairs of parallel tangent lines have the same distance.

Step-by-step explanation:

In geometry, a diameter of a circle is any straight line segment that passes through the center of the circle and whose endpoints lie on the circle. ... For a curve of constant width such as the Reuleaux triangle, the width and diameter are the same because all such pairs of parallel tangent lines have the same distance.

4 0
3 years ago
Dr. Cyril conducts a simple random sample of 500 men who became fathers for the first time in the past year. He finds that 23% o
svlad2 [7]

Answer:

The another term for the 4% value is : Margin of error

Step-by-step explanation:

Dr. Cyril conducts a simple random sample of 500 men.

He finds that 23% of them report being unsure of their ability to be good fathers, plus or minus 4%.

Now, the another term for the 4% value is : Margin of error

Means the estimate of father being unsure about his ability would be between 19% and 27%.

When sample size is increased, the margin of error becomes smaller.

7 0
3 years ago
When a group of colleagues discussed where their annual retreat should take​ place, they found that of all the​ colleagues: 17 w
Vilka [71]
To find the answer look for opinions where 1 person can't have multiple.

Add them all up and you'll get your answer, there are 33 total colleagues in the group.
7 0
3 years ago
Read 2 more answers
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