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Alex73 [517]
3 years ago
14

PLEASE I NEED HELP FROM ANYONE!! THANKS!

Mathematics
1 answer:
Evgesh-ka [11]3 years ago
7 0
B

W
The whole circle is pi r^2= 18 times 18 is 324 pi minus the white part
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Marcus needs to bike at least 80 miles this week for his training if he already has 25 miles this week then how many miles shoul
nadezda [96]

Answer: 55 miles

Step-by-step explanation: Marcus goal is 80 miles for the week. he has already completed 25 miles of that goal so you would subtract 25 from 80 then you would find the miles still left

80-25=55

6 0
3 years ago
2√6 ∙ √8 + 2√12<br><br>show your work please and thank you
meriva

Answer:

Step-by-step explanation:

multiply first,

so 2√6 x √8 = 2√48 (because when radicals are multiplied we add them)

so

2√48 can be simplified to 8√3 and 2√12 can be simplified to 4√3

8√3+4√3=12√3

8 0
3 years ago
What are the values of x and y?
Ede4ka [16]

Step-by-step explanation:

In figure:

∠PRT+∠RTP+∠TPR=180

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(angle sum property of triangle)

⇒x+(180

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−∠RTQ)+60

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=180

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(linear pair)

⇒x+(180

O

−97

0

)+60

o

=180

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⇒x=31

o

Now, ∠PRT+∠TRQ+∠QRS=180

O

(angle of straight line)

⇒x+48

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+y=180

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⇒31

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+48

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+y=180

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⇒y=101

0

3 0
2 years ago
Can you organize collections of numbers into mathematical sets?
Bezzdna [24]
Yes by 10's and hundreds and ones place and even and odd. And pine and composite
6 0
3 years ago
HELP ME Using the following equation, complete the square and find the center and radius of the circle:
IrinaK [193]

Answer: (-2,3), r=5\ \text{units}

Step-by-step explanation:

Given

the equation is x^2+y^2+4x-6y-12=0

completing the square

\Rightarrow (x^2+2\times 2\times x+4-4)+(y^2-2\times3\times y+9-9)-12=0\\\Rightarrow (x^2+2\times 2\times x+4)+(y^2-2\times3\times y+9)-12-4-9=0\\\Rightarrow (x+2)^2+(y-3)^2=25\\\Rightarrow (x+2)^2+(y-3)^2=5^2\\\Rightarrow (x-(-2))^2+(y-3)^2=5^2

Thus, the center of the circle is (-2,3) and radius is r=5\ \text{units}

5 0
3 years ago
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