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Harman [31]
3 years ago
13

A circle has a center at (4, -7) and a radius of 4 units. What is the equation of this circle?

Mathematics
1 answer:
Softa [21]3 years ago
7 0

Answer:

(x-4)^2+(y+7)^2=16

Step-by-step explanation:

A circle with radius r and centre (a, b) has an equation:

(x-a)^2+(y-b)^2=r^2

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If B = {−13, −9, −7, −3}, choose the set A that will make the following statement false.
Svetach [21]

Answer: c.A is the set of rational numbers

Step-by-step explanation:

B ⊆ A means that every element of B is an element of A

B = { -13 , -9 , -7 , - 3 }

The element of B are negative integers , this mean that the element of A must also be integers therefore :

Option a is correct.

Option b is also correct

Rational numbers are numbers that can be express in the form a/b , examples are : 1/2 , 3/ 4 , 5/6 ...

clearly , this does not necessarily define A , so option c is the odd one out

5 0
3 years ago
What is the equation of the following line written in general form (4,5) (1,2)
a_sh-v [17]
The answer is y= 1 + 1x

because the slope is 1 shown by this table:
1,2
2,3
3,4
4,5

and if the slope is one then 2-1 is 1 and the y intercept is 0,1.

4 0
2 years ago
Name two lines in the diagram.
Oksanka [162]

Answer:

Options (3) and (6)

Step-by-step explanation:

"A straight line is a set of all points between two points and extending beyond these points."

Therefore, from the given diagram,

Arrows connecting set of two points B and C and D and E will be straight lines.

Geometrically we denote them with an arrow over the line.

\overleftrightarrow {BC} and \overleftrightarrow {DE}

Therefore, Options (3) and (6) will be the answer.

6 0
3 years ago
HELP WITH MY WHOLE TEST ;-; jensnshsjsjjsjsjsjsjsksksmsknnknksnisi
AfilCa [17]
The answer should be -6.
8 0
2 years ago
Read 2 more answers
The cost C (in millions of dollars) for the federal government to seize p% of an illegal drug as it enters the country is given
erik [133]

Answer:

b for me hehe ok

Step-by-step explanation:

Explanation

3 0
2 years ago
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