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Nikolay [14]
3 years ago
11

Hich statement about the student's answer is correct?

Mathematics
1 answer:
jeka943 years ago
7 0
D.The answer should be about $10,000.The students answer is not correct.
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How do you figure out this equation?
maw [93]
Equation of a circle is (x-x1)+(y-y1)=r²
when x1 and y1 are the coordinates of the centre

So you can substitute the centre in to get (x-5)²+(y+9)²=r²

When you draw a diagram it's obvious the radius is 9

9²=81

Therefore equation is (x-5)²+(y+9)²=81

Any questions, just ask :)

6 0
2 years ago
What could be the next statement that Ivan makes his proof?
natali 33 [55]

Answer: Choice A) Triangle ABC is similar to triangle ACD by AA

AA stands for Angle Angle. Specifically it means we need 2 pairs of congruent angles between the two triangles in order to prove the triangles similar. Your book might write "AA similarity" instead of simply "AA".

For triangles ABC and ACD, we have the first pair of angles being A = A (angle A shows up twice each in the first slot). The second pair of congruent angles would be the right angles for triangle ABC and ACD, which are angles C and D respectively.

We can't use AAS because we don't know any information about the sides of the triangle.

7 0
2 years ago
D<br> E<br> F<br> Using the Pythagorean Theorem, which of the following is true?
yaroslaw [1]

Answer:

D

Step-by-step explanation:

5 0
2 years ago
???? Help please you get 40 points if u help
IrinaVladis [17]

Answer:

B) P = 8x + 4

Step-by-step explanation:

Formula:

P= 2( l + w)

P = 2( x + 2 + 3x)

P = 2(4x + 2)

P = 8x + 4

6 0
3 years ago
Read 2 more answers
E = ( m V2)/2 rewrite this equation to solve for v<br><br><br><br> HELPP!!!!!
Vaselesa [24]

Answer: V 3

Step-by-step explanation:

6 0
3 years ago
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