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oksian1 [2.3K]
2 years ago
9

Plzzzzzzzzzz helpppppppp

Mathematics
1 answer:
Minchanka [31]2 years ago
7 0

Answer:

i'd say do it with division what equals 31? im not going to say the staright up answer

]

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Photo provided<br> Help me asap plzzzz
const2013 [10]

Answer: 0.07 (choice B)

===================================================

Explanation:

Let's define two events: B = hitting bullseye, and, T = hitting the third (outermost) ring

To figure out the probabilities of each event happening, we need to find the areas of each region. The bullseye is a circle with radius 6 inches (half of diameter 12), so the area is roughly...

A = pi*r^2 = pi*6^2 = 36pi

The radius of the outermost circle is 6+5+5 = 16 inches, leading to an area of

A = pi*r^2 = pi*16^2 = 256pi

So P(B) = (36pi)/(256pi) = 9/64 is the probability of hitting bullseye

-----------------

The area of the third ring is equal to the difference of the overall largest circle and the second largest circle.

The second largest circle has a radius of 6+5 = 11 inches with area pi*11^2 = 121pi square inches

So the third ring has an area of 256pi - 121pi = 135pi square inches

P(T) = probability of hitting the third ring

P(T) = (135pi)/(256pi)

P(T) = 135/256

-----------------

The last thing to do is to multiply the two probabilities P(B) and P(T). This works because the two events B and T are independent

P(B and T) = P(B)*P(T)

P(B and T) = (9/64)*(135/256)

P(B and T) = 0.07415771484376

P(B and T) = 0.07

8 0
3 years ago
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HELP I need this for a quiz the screenshot is there
Setler79 [48]

Answer:

The value is -30

Step-by-step explanation:

Plug -6 in for x in the equation:

3sqrt-6(-6)+4(-6)

-6-4*6

-6-24

-30

4 0
3 years ago
Help plz!!!!<br> Fill in the blank so it's a perfect square trinomial.
Oksana_A [137]

Answer:

hi

Step-by-step explanation:

60 is the correct ans

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3 years ago
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Timothy gets a phone call from some of his friends. They say they will be at the library which is 5/8 mi away. He walks at a ste
artcher [175]
I think the is answer 5/4 
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If Y is the midpoint of segement WZ, YZ = x + 3, and WZ = 3x-4, determine the length of segment WZ
Georgia [21]
This is my answer! I solve it by myself, check it out!!!! Sorry for late

3 0
3 years ago
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