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victus00 [196]
2 years ago
9

Yumiko solved |x|>5 by solving x>-5 and x<5. explain the error yumiko made

Mathematics
1 answer:
Whitepunk [10]2 years ago
3 0

Answer:

switched signs around

Step-by-step explanation:

I believe that s/he switched the signs around so

|x|>5 is solved by x<-5 and x>5

but I'm not quite sure, sorry

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If the center of a circle is at (3,-6) and the diameter is 10 units, what is the equation for the circle
VARVARA [1.3K]

Answer:(x-3)^2+(y+6)^2=25

Step-by-step explanation:

Center Of The circle is at (3,-6)

Diameter=10

Radius(r)=10/2

Radius(r)=5

a=3

b=-6

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

Equation of circle=(x-3)^2+(y-(-6))^2=5^2

Equation of circle=(x-3)^2+(y+6)^2=25

6 0
3 years ago
Solve 3x2 18x 15 = 0 by completing the square.
iren2701 [21]
3(x^2 + 6x + 5) = 0
3(x^2 + 6x + 9 + 5 - 9) = 0
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3(x + 3)^2 = 12
(x + 3)^2 = 4
x + 3 = sqrt(4)
x = -3 + or - 2
x = -3 + 2 or -3 - 2
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The correct answer option is option c.
3 0
3 years ago
Rhombus WXYZ with vertices W(1,5), X(6, 3),<br> Y(1, 1), and Z(-4, 3) in the x-axis.
vlada-n [284]

9514 1404 393

Answer:

  W'(1,-5), X'(6,-3), Y'(1,-1), Z'(-4,-3)

Step-by-step explanation:

Reflection over the x-axis changes the sign of the y-coordinate. The x-coordinate remains unchanged.

The reflected points are ...

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4 0
2 years ago
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Answer

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3 years ago
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STatiana [176]

Answer:

9.354kg

Step-by-step explanation:

7 0
3 years ago
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