2 years ago

You spin the spinner twice. Find the probability of spinning a three and then a 4.

Mathematics

1 answer:

Lilit [14]2 years ago

3 0

Answer:

1/36

Step-by-step explanation:

chances of getting a 3 is 1/6 and a 4 is 1/6 multiply them and you get 1/36

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The diameter of a circle has length 12. The center is at*(-5, 2). Give the equation

labwork [276]

Answer:

Equation of the circle is : $x^{2} + 10x + y^{2} -4y -7 =0$

Step-by-step explanation:

Let us consider the image attached in the answer area.

The center O has the co-ordinates i.e. (-5,2) and the diameter given is 12 units.

We know that radius is half of diameter.

$\text{Radius = }\dfrac{\text{Diameter}}{2}$

$\text{Radius = }\dfrac{12}{2}\\\Rightarrow \text{Radius = 6units}$

The equation for circle given the center and radius, can be represented as:

$(x-a)^{2}+ (y-b)^{2} = r^{2}$

Where (a,b) is the co-ordinate of center and r is the radius.

Let us consider the following formula:

$(p+q)^2 = p^{2}+ q^{2} +2pq\\(p-q)^2 = p^{2}+ q^{2} -2pq$

$(x-(-5))^{2}+ (y-2)^{2} = 6^{2}\\\Rightarrow (x+5)^{2}+ (y-2)^{2} = 36\\\Rightarrow x^{2} + 25 + 10x +y^{2} + 4-4y=36\\\Rightarrow x^{2} + 10x +y^{2} -4y-7=0$

Hence, Equation of the circle is : $x^{2} + 10x + y^{2} -4y -7 =0$

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2 years ago

The highest possible grade for a book report is 100. The teacher deducts 10 points for each day the report is late Which kind of

Ksivusya [100]

Answer:

linear

Step-by-step explanation:

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3 years ago

I want to know how many sides are there in an isosceles angle

pav-90 [236]

Answer:

3 sides

Step-by-step explanation:

Two sides will have the same angle measurement while the third angle will be different.

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2 years ago

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Find m2ABC. А (7x - 1)”. (3x -9)° D B С

xenn [34]

Answer:

Step-by-step explanation:

7x - 1 + 3x - 9 = 180

10x - 10 = 180

10x = 190

x = 19

7(19) - 1 = 133 - 1 = 132

3(19) - 9 = 57 - 9 = 46

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2 years ago

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