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Crazy boy [7]
3 years ago
12

the graph of the equation below is a circle. what is the length of the radius of the cirlce? (x+5)2+(y+7)2=21^2

Mathematics
1 answer:
zloy xaker [14]3 years ago
8 0

the radii would equal 7.5

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.
stiv31 [10]

Answer:

A

Step-by-step explanation:

Hello There!

The y value of ABC was subtracted by 7 to get to the figure A'B'C'

So the rule for the given transformation would be

(x,y) ---> (x,y-7)

5 0
3 years ago
What’s 4+5+6+7+8. Plzzzzzzzz
irina1246 [14]

<em><u>It's 30</u></em>

<em>Hope that helped!</em>


8 0
3 years ago
Read 2 more answers
What is the equation of the line that passes through the point (-1, -3) and has a slope of 3?
iogann1982 [59]

Answer:

y=3x

Step-by-step explanation:

Use a calculator to guess and check

5 0
3 years ago
Five decreased by twice a number is same as five less than<br> three times the number.
sergejj [24]
Answer: If you are suppose to write an algebraic expression it is: 5 - 2x = 3x - 5
If you are suppose to solve the answer is:
5-2x=3x-5
-2x=3x-10
-5x=-10
x=2
8 0
2 years ago
Explain how to use a graph of the function f(x) to<br> find f(3).
Oksanka [162]

To find the value of f(3) we need to follow the below steps :

Step 1 : First plot the graph of f(x)

Step 2 : We need to find f(3) or the function value at x = 3 therefore, in the graph locate the point (3,0)

Step 3 : Draw a line parallel to Y-axis passing through the point (3,0) .

Step 4 : Now there exists two cases :

If the drawn line do not intersect the graph of f(x), then no value of f(3) exists for the given function of x

If the drawn line intersects the graph, then the intersection point is marked and a line parallel to x - axis is drawn passing through that marked or intersection point. And the line where it intersects the y - axis is our required value of f(3).

If this is wrong than I guess I wasn't smart enough :)

4 0
2 years ago
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