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Korvikt [17]
3 years ago
12

Solve the following equation algebraically: x^2 = 20

Mathematics
2 answers:
Alexeev081 [22]3 years ago
7 0

Answer:

x = -|- 2/5

Step-by-step explanation:

there are two opposite solutions:

My name is Ann [436]3 years ago
4 0

Answer:

D

-4.47, 4.47

Edge 2020

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Ulleksa [173]

Answer:

4(x - 9)^2 - 17

Step-by-step explanation:

A horizontal shift to the right by 9 changes x^2 to (x - 9)^2.

A vertical shift down by 1 changes - 16 to -17.

Therefore, the new equation is:

4(x - 9)^2 - 17

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3 years ago
What is the center of the circle whose diameter has endpoints (18, -13) and (4, -3)?
jeka94

Answer:

Step-by-step explanation:

The center of the circle whose diameter has endpoints (18, -13) and (4, -3) will be the midpoint of the coordinates.

The ormua for calculating mid point is expressed as;

M(X,Y) ={(x21+x2/2, y1+y2/2}

X= x1+x2/2

Y = y1+y2/2

From the coordinates

x1 = 18 x2 = 4

X= 18+4/2

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X = 11

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Y = -3-13/2

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4 0
3 years ago
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Solve the equation R-3=28/R R=
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jasenka [17]

Answer:

7. C(N(h))=33hx+460h

8. about $13.94 is the cost

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

.

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