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forsale [732]
3 years ago
14

Which equation represents a circle with a center at (-4,9) and a diameter of 10 units?

Mathematics
1 answer:
elixir [45]3 years ago
7 0
The first option is correct. See an explanation below.

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Find the area of the shape
MAVERICK [17]

Answer:

A=42.5

Step-by-step explanation:

First you split this shape into a square and a triangle.

The area of the square is 5✖️5=25.

Then, there is a triangle left.

We do not know about the hypotenuse, but the sides are 5 and 7.

5✖️7=35/2<-- because it is a triangle. =17.5

You add both areas, and you get the total of 42.5.

Hope this helps!

3 0
2 years ago
Which expression is the completely factored form of the expression x2 − 3x − 28? A. (x − 7)(x + 4)
vovangra [49]
Answer: A. (x-7)(x+4)
6 0
3 years ago
Read 2 more answers
Now, look at the set of integers. Complete the table for the closure property if integers under the four operations.
Kisachek [45]

Answer:

See below.

Step-by-step explanation:

Addition: closed

Example: -5 + 10 = 5, and -5, 10, and 5 are all integers

Subtraction: closed

Example: 10 - 8 = 2, and 10, 8, and 2 are all integers

Multiplication: closed

Example: -4 * 7 = -28, and -4, -7 and -28 are all integers

Division: not closed

Example: 5/2 = 2.5, and 2.5 is not an integer, although 2 and 5 are integers

The set of integers is closed under addition, subtraction, and multiplication because any addition, subtraction, or multiplication of integers always results in an integer.

The set of integers is not closed under division because a division of integers does not always result in an integer.

8 0
3 years ago
If ln(x^2-x-1)=0 , then x= ?
Umnica [9.8K]

Answer:

  x = -1 or 2

Step-by-step explanation:

Taking the antilog, you have the quadratic ...

  x^2 -x -1 = 1

  x^2 -x -2 = 0 . . . . subtract 1

  (x -2)(x +1) = 0 . . . factor

The values of x that make these factors zero are the solutions to the equation.

  x = 2  or  x = -1

3 0
3 years ago
I need to know the steps to solving for x
dmitriy555 [2]
X=10/(2^(1/2)-1)
This is the answer

7 0
2 years ago
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