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lara [203]
3 years ago
7

If you spin the spinner 120 times, how many times would you predict to spin blue?

Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
7 0

Answer: I think 12

i dont  know how but that what i think

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Explain how you used the bar model in exercise 2 to find the problem
PolarNik [594]
This question isn't relevant to this site.
8 0
4 years ago
Please help asap :( "This is My final Grade " My Teacher wants a full explanation included with the answer .) please view the at
STALIN [3.7K]

Answer:

Step-by-step explanation:

circle A is

x²+y²+6x-4y-12=0

x²+6x +y²-4y =12

think (a+b)² = a²+2ab+b² we have a=x, b= 3

and (a-b)² = a²-2ab+b² so we have a=y, b=2

x²+6x +9 +y²-4y+4 = 12-9-4

(x+3)² +(y-2)²= -1

compare to the general equation of a circle (x-h)²+(y-k)² =r²

the center is at (-3,2) and the radius is √-1 =i

Circle B has center (0, -4) and radius 3 so the equation is

(x-0)²+(y-(-4))² =3²

x² +(y+4)² = 9

point (√8, -3) is on the circle if it verifies the equation

√8² +(-3+4)² = 9

8+1 =9 true so the point is on the circle

Circle A and circle B are not similar because they do not have the same center and radius

4 0
3 years ago
Find the coordinates of the points that are 5 units away from the origin and have an x-coordinate equal to 4.
vaieri [72.5K]

Answer:

(4, 3 ) and (4, - 3 )

Step-by-step explanation:

A distance of 5 units from the origin represents the hypotenuse of a right triangle with sides 3- 4 - 5

If the x-coordinate is 4 then the y-coordinate is | 3 | = ± 3

the coordinates are (4, 3 ) and (4, - 3 )


3 0
4 years ago
How to evaluate 4(x+2−5x) when x=2
Crank

Answer:

-24

Step-by-step explanation:

4(x+2−5x)

Combine like terms

4(2 -4x)

Distribute

8 -16x

Let x=2

8 - 16(2)

8 - 32

-24

8 0
3 years ago
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Cody bagged the plastic bottles after a recycling drive. He placed 15 bottles in the first bag, 90 bottles in the second bag, 36
stepan [7]

Answer: repeating sequence

Step-by-step explanation:

3 0
3 years ago
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